Search

Tarifur Rashid Chowdhury

Supervisory Patent Examiner (ID: 4818, Phone: (571)272-2287 , Office: P/2886 )

Most Active Art Unit
2871
Art Unit(s)
2871, 2877, 2886
Total Applications
1103
Issued Applications
925
Pending Applications
120
Abandoned Applications
66

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3937416 [patent_doc_number] => 05877829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-02 [patent_title] => 'Liquid crystal display apparatus having adjustable viewing angle characteristics' [patent_app_type] => 1 [patent_app_number] => 8/746579 [patent_app_country] => US [patent_app_date] => 1996-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 38 [patent_no_of_words] => 13639 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/877/05877829.pdf [firstpage_image] =>[orig_patent_app_number] => 746579 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/746579
Liquid crystal display apparatus having adjustable viewing angle characteristics Nov 13, 1996 Issued
Array ( [id] => 4044189 [patent_doc_number] => 05995173 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-30 [patent_title] => 'Bistable display device based on nematic liquid crystals allowing grey tones' [patent_app_type] => 1 [patent_app_number] => 8/746384 [patent_app_country] => US [patent_app_date] => 1996-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 6158 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/995/05995173.pdf [firstpage_image] =>[orig_patent_app_number] => 746384 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/746384
Bistable display device based on nematic liquid crystals allowing grey tones Nov 7, 1996 Issued
Array ( [id] => 3888375 [patent_doc_number] => 05805250 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Liquid crystal display device with contact holes extending through interlayer insulating film between switching elements and pixel electrodes' [patent_app_type] => 1 [patent_app_number] => 8/739755 [patent_app_country] => US [patent_app_date] => 1996-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 10168 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/805/05805250.pdf [firstpage_image] =>[orig_patent_app_number] => 739755 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/739755
Liquid crystal display device with contact holes extending through interlayer insulating film between switching elements and pixel electrodes Oct 28, 1996 Issued
Array ( [id] => 4207388 [patent_doc_number] => 06014197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Electro-optical device wherein orientation layers have grating structure and comprises birefringent material with refractive indices equal to electro-optic medium' [patent_app_type] => 1 [patent_app_number] => 8/732240 [patent_app_country] => US [patent_app_date] => 1996-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 5224 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014197.pdf [firstpage_image] =>[orig_patent_app_number] => 732240 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/732240
Electro-optical device wherein orientation layers have grating structure and comprises birefringent material with refractive indices equal to electro-optic medium Oct 24, 1996 Issued
Array ( [id] => 1374238 [patent_doc_number] => 06570629 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-27 [patent_title] => 'Display unit including first and second active matrix regions that is provided completely outside each other' [patent_app_type] => B1 [patent_app_number] => 08/731297 [patent_app_country] => US [patent_app_date] => 1996-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 6886 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/570/06570629.pdf [firstpage_image] =>[orig_patent_app_number] => 08731297 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/731297
Display unit including first and second active matrix regions that is provided completely outside each other Oct 14, 1996 Issued
Array ( [id] => 4058419 [patent_doc_number] => 05870160 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-09 [patent_title] => 'In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity' [patent_app_type] => 1 [patent_app_number] => 8/720780 [patent_app_country] => US [patent_app_date] => 1996-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 25 [patent_no_of_words] => 13296 [patent_no_of_claims] => 64 [patent_no_of_ind_claims] => 19 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/870/05870160.pdf [firstpage_image] =>[orig_patent_app_number] => 720780 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/720780
In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity Oct 2, 1996 Issued
Array ( [id] => 3818284 [patent_doc_number] => 05831708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Liquid crystal display with a scanning line having a ring shaped redundant section and method for fabricating the same' [patent_app_type] => 1 [patent_app_number] => 8/705759 [patent_app_country] => US [patent_app_date] => 1996-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 34 [patent_no_of_words] => 13708 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/831/05831708.pdf [firstpage_image] =>[orig_patent_app_number] => 705759 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/705759
Liquid crystal display with a scanning line having a ring shaped redundant section and method for fabricating the same Aug 29, 1996 Issued
Array ( [id] => 3769027 [patent_doc_number] => 05852482 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'TFT array of liquid crystal display where dataline and source electrode projecting therefrom cross gate lines at only two points and repair method thereof' [patent_app_type] => 1 [patent_app_number] => 8/702013 [patent_app_country] => US [patent_app_date] => 1996-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2748 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/852/05852482.pdf [firstpage_image] =>[orig_patent_app_number] => 702013 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/702013
TFT array of liquid crystal display where dataline and source electrode projecting therefrom cross gate lines at only two points and repair method thereof Aug 22, 1996 Issued
Array ( [id] => 4074646 [patent_doc_number] => 05867243 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Electron beam addressed liquid crystal cell' [patent_app_type] => 1 [patent_app_number] => 8/699511 [patent_app_country] => US [patent_app_date] => 1996-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 9577 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/867/05867243.pdf [firstpage_image] =>[orig_patent_app_number] => 699511 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/699511
Electron beam addressed liquid crystal cell Aug 18, 1996 Issued
Array ( [id] => 4112794 [patent_doc_number] => 06052162 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-18 [patent_title] => 'Transmission type liquid crystal display device with connecting electrode and pixel electrode connected via contact hole through interlayer insulating film and method for fabricating' [patent_app_type] => 1 [patent_app_number] => 8/695632 [patent_app_country] => US [patent_app_date] => 1996-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 15010 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/052/06052162.pdf [firstpage_image] =>[orig_patent_app_number] => 695632 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/695632
Transmission type liquid crystal display device with connecting electrode and pixel electrode connected via contact hole through interlayer insulating film and method for fabricating Aug 11, 1996 Issued
Array ( [id] => 3958906 [patent_doc_number] => 05999237 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Liquid crystal display device including a toric prism lens having an aspheric mirror mounted on a polarizing means' [patent_app_type] => 1 [patent_app_number] => 8/655603 [patent_app_country] => US [patent_app_date] => 1996-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2819 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/999/05999237.pdf [firstpage_image] =>[orig_patent_app_number] => 655603 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/655603
Liquid crystal display device including a toric prism lens having an aspheric mirror mounted on a polarizing means May 29, 1996 Issued
Array ( [id] => 3897377 [patent_doc_number] => 05777706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-07 [patent_title] => 'Nematic liquid crystal phase spatial light modulator for enhanced display resolution' [patent_app_type] => 1 [patent_app_number] => 8/651188 [patent_app_country] => US [patent_app_date] => 1996-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 8547 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/777/05777706.pdf [firstpage_image] =>[orig_patent_app_number] => 651188 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/651188
Nematic liquid crystal phase spatial light modulator for enhanced display resolution May 16, 1996 Issued
Array ( [id] => 3934439 [patent_doc_number] => 05946058 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Transistor matrix device including features for minimizing the effect of parasitic capacitances' [patent_app_type] => 1 [patent_app_number] => 8/642865 [patent_app_country] => US [patent_app_date] => 1996-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 45 [patent_figures_cnt] => 60 [patent_no_of_words] => 18414 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/946/05946058.pdf [firstpage_image] =>[orig_patent_app_number] => 642865 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/642865
Transistor matrix device including features for minimizing the effect of parasitic capacitances May 5, 1996 Issued
Array ( [id] => 3909151 [patent_doc_number] => 05751391 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-12 [patent_title] => 'Liquid crystal device with elongated projection height smaller than liquid crystal thickness and process for producing same' [patent_app_type] => 1 [patent_app_number] => 8/638193 [patent_app_country] => US [patent_app_date] => 1996-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4441 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/751/05751391.pdf [firstpage_image] =>[orig_patent_app_number] => 638193 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/638193
Liquid crystal device with elongated projection height smaller than liquid crystal thickness and process for producing same Apr 25, 1996 Issued
Array ( [id] => 3995308 [patent_doc_number] => 05959707 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Liquid crystal display having domains with different tilted-up directions as well as domains with different twist directions of lc molecules' [patent_app_type] => 1 [patent_app_number] => 8/636986 [patent_app_country] => US [patent_app_date] => 1996-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 50 [patent_no_of_words] => 20072 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/959/05959707.pdf [firstpage_image] =>[orig_patent_app_number] => 636986 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/636986
Liquid crystal display having domains with different tilted-up directions as well as domains with different twist directions of lc molecules Apr 23, 1996 Issued
Array ( [id] => 3884271 [patent_doc_number] => 05893622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-13 [patent_title] => 'Optical aperture with predetermined attenuation patterns having polarizers that are black guest host liquid crystal or multilayer, thinfilm, polarizing, beamsplitting prism' [patent_app_type] => 1 [patent_app_number] => 8/636199 [patent_app_country] => US [patent_app_date] => 1996-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 3749 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/893/05893622.pdf [firstpage_image] =>[orig_patent_app_number] => 636199 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/636199
Optical aperture with predetermined attenuation patterns having polarizers that are black guest host liquid crystal or multilayer, thinfilm, polarizing, beamsplitting prism Apr 21, 1996 Issued
Array ( [id] => 3967261 [patent_doc_number] => 05936698 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Manufacturing a display device using anodization' [patent_app_type] => 1 [patent_app_number] => 8/631844 [patent_app_country] => US [patent_app_date] => 1996-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 6144 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/936/05936698.pdf [firstpage_image] =>[orig_patent_app_number] => 631844 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/631844
Manufacturing a display device using anodization Apr 11, 1996 Issued
Array ( [id] => 3821405 [patent_doc_number] => 05812232 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-22 [patent_title] => 'Optical switching device with hard spacers exhibiting thermoplastic property at a temperature not higher than 150.degree. C. and fabrication process' [patent_app_type] => 1 [patent_app_number] => 8/628315 [patent_app_country] => US [patent_app_date] => 1996-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 37 [patent_no_of_words] => 17970 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/812/05812232.pdf [firstpage_image] =>[orig_patent_app_number] => 628315 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/628315
Optical switching device with hard spacers exhibiting thermoplastic property at a temperature not higher than 150.degree. C. and fabrication process Apr 4, 1996 Issued
Array ( [id] => 4248421 [patent_doc_number] => 06081313 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-27 [patent_title] => 'Liquid crystal display device and a method for fabricating thereof' [patent_app_type] => 1 [patent_app_number] => 8/622876 [patent_app_country] => US [patent_app_date] => 1996-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 1516 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/081/06081313.pdf [firstpage_image] =>[orig_patent_app_number] => 622876 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/622876
Liquid crystal display device and a method for fabricating thereof Mar 28, 1996 Issued
Array ( [id] => 3749700 [patent_doc_number] => 05786877 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Reflector holding structure for liquid crystal module' [patent_app_type] => 1 [patent_app_number] => 8/623182 [patent_app_country] => US [patent_app_date] => 1996-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2700 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/786/05786877.pdf [firstpage_image] =>[orig_patent_app_number] => 623182 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/623182
Reflector holding structure for liquid crystal module Mar 27, 1996 Issued
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