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] => 4249149 [patent_doc_number] => 06091463 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-18 [patent_title] => 'Diffractive spatial light modulator' [patent_app_type] => 1 [patent_app_number] => 9/014666 [patent_app_country] => US [patent_app_date] => 1998-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4866 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/091/06091463.pdf [firstpage_image] =>[orig_patent_app_number] => 014666 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/014666
Diffractive spatial light modulator Jan 27, 1998 Issued
Array ( [id] => 1464651 [patent_doc_number] => 06351296 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-26 [patent_title] => 'Liquid crystal beam polarizer and method for manufacturing thereof' [patent_app_type] => B1 [patent_app_number] => 09/014355 [patent_app_country] => US [patent_app_date] => 1998-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5638 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/351/06351296.pdf [firstpage_image] =>[orig_patent_app_number] => 09014355 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/014355
Liquid crystal beam polarizer and method for manufacturing thereof Jan 26, 1998 Issued
Array ( [id] => 4366558 [patent_doc_number] => 06175400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-16 [patent_title] => 'Broadband cholesteric optical device having a broadband cholesteric layer, a positive C-plate and a negative C-plate' [patent_app_type] => 1 [patent_app_number] => 9/012469 [patent_app_country] => US [patent_app_date] => 1998-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 66 [patent_no_of_words] => 8087 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/175/06175400.pdf [firstpage_image] =>[orig_patent_app_number] => 012469 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/012469
Broadband cholesteric optical device having a broadband cholesteric layer, a positive C-plate and a negative C-plate Jan 21, 1998 Issued
Array ( [id] => 4417342 [patent_doc_number] => 06300993 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Wide viewing angle liquid crystal display panel' [patent_app_type] => 1 [patent_app_number] => 9/009184 [patent_app_country] => US [patent_app_date] => 1998-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 2222 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/300/06300993.pdf [firstpage_image] =>[orig_patent_app_number] => 009184 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/009184
Wide viewing angle liquid crystal display panel Jan 19, 1998 Issued
Array ( [id] => 4306951 [patent_doc_number] => 06184948 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Liquid crystal display device having a plurality of error detecting shorting bars and a method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 9/005587 [patent_app_country] => US [patent_app_date] => 1998-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 30 [patent_no_of_words] => 4647 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184948.pdf [firstpage_image] =>[orig_patent_app_number] => 005587 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/005587
Liquid crystal display device having a plurality of error detecting shorting bars and a method of manufacturing the same Jan 11, 1998 Issued
Array ( [id] => 4195199 [patent_doc_number] => 06094246 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Acute twist nematic liquid crystal electro-optic modulator for use in an infrared optical communication system having extinction ratio of -25db' [patent_app_type] => 1 [patent_app_number] => 9/003567 [patent_app_country] => US [patent_app_date] => 1998-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 3422 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/094/06094246.pdf [firstpage_image] =>[orig_patent_app_number] => 003567 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003567
Acute twist nematic liquid crystal electro-optic modulator for use in an infrared optical communication system having extinction ratio of -25db Jan 5, 1998 Issued
Array ( [id] => 4022936 [patent_doc_number] => 05963286 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'LC aligning substrate by rubbing the surface of the substrate with a roller while slightly vertically vibrating the roller and the substrate' [patent_app_type] => 1 [patent_app_number] => 9/000567 [patent_app_country] => US [patent_app_date] => 1997-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 2738 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/963/05963286.pdf [firstpage_image] =>[orig_patent_app_number] => 000567 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/000567
LC aligning substrate by rubbing the surface of the substrate with a roller while slightly vertically vibrating the roller and the substrate Dec 29, 1997 Issued
Array ( [id] => 3995397 [patent_doc_number] => 05959712 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Method of manufacturing a liquid crystal display element having a decreased fluctuation of aperture ratio' [patent_app_type] => 1 [patent_app_number] => 8/999333 [patent_app_country] => US [patent_app_date] => 1997-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7546 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/959/05959712.pdf [firstpage_image] =>[orig_patent_app_number] => 999333 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/999333
Method of manufacturing a liquid crystal display element having a decreased fluctuation of aperture ratio Dec 28, 1997 Issued
Array ( [id] => 4299881 [patent_doc_number] => 06211934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Method of and apparatuses for reducing infrared loading on display devices' [patent_app_type] => 1 [patent_app_number] => 8/998104 [patent_app_country] => US [patent_app_date] => 1997-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3920 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/211/06211934.pdf [firstpage_image] =>[orig_patent_app_number] => 998104 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/998104
Method of and apparatuses for reducing infrared loading on display devices Dec 23, 1997 Issued
Array ( [id] => 7077646 [patent_doc_number] => 20010040666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-15 [patent_title] => 'METHOD FOR MANUFACTURING A LIQUID CRYSTAL DISPLAY BY USING NON-RUBBING METHOD OF POLYIMIDE ORIENTATION FILM' [patent_app_type] => new [patent_app_number] => 08/999801 [patent_app_country] => US [patent_app_date] => 1997-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1684 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0040/20010040666.pdf [firstpage_image] =>[orig_patent_app_number] => 08999801 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/999801
Method for manufacturing a liquid crystal display by using non-rubbing method on polyimide orientation film Dec 23, 1997 Issued
Array ( [id] => 4228881 [patent_doc_number] => 06040889 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-21 [patent_title] => 'Liquid crystal display with continuous grayscale, wide viewing angle, and exceptional shock resistance' [patent_app_type] => 1 [patent_app_number] => 8/997232 [patent_app_country] => US [patent_app_date] => 1997-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 29 [patent_no_of_words] => 8217 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/040/06040889.pdf [firstpage_image] =>[orig_patent_app_number] => 997232 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/997232
Liquid crystal display with continuous grayscale, wide viewing angle, and exceptional shock resistance Dec 22, 1997 Issued
Array ( [id] => 4093883 [patent_doc_number] => 06163354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-19 [patent_title] => 'Liquid crystal display device including liquid crystal display material preventing generation of viewing-angle-dependent coloration of display screen' [patent_app_type] => 1 [patent_app_number] => 8/996956 [patent_app_country] => US [patent_app_date] => 1997-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 11761 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/163/06163354.pdf [firstpage_image] =>[orig_patent_app_number] => 996956 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/996956
Liquid crystal display device including liquid crystal display material preventing generation of viewing-angle-dependent coloration of display screen Dec 22, 1997 Issued
Array ( [id] => 4052691 [patent_doc_number] => 05875015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-23 [patent_title] => 'Color liquid crystal display wherein intervals between adjacent lines passing adjacent pixels of same color are 260 .mu.m or below' [patent_app_type] => 1 [patent_app_number] => 8/995607 [patent_app_country] => US [patent_app_date] => 1997-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 2805 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/875/05875015.pdf [firstpage_image] =>[orig_patent_app_number] => 995607 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/995607
Color liquid crystal display wherein intervals between adjacent lines passing adjacent pixels of same color are 260 .mu.m or below Dec 21, 1997 Issued
Array ( [id] => 4112837 [patent_doc_number] => 06052165 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-18 [patent_title] => 'Reflective liquid crystal display (LCD) device having an internal reflection reducer' [patent_app_type] => 1 [patent_app_number] => 8/995822 [patent_app_country] => US [patent_app_date] => 1997-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2225 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/052/06052165.pdf [firstpage_image] =>[orig_patent_app_number] => 995822 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/995822
Reflective liquid crystal display (LCD) device having an internal reflection reducer Dec 21, 1997 Issued
Array ( [id] => 4259123 [patent_doc_number] => 06137551 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-24 [patent_title] => 'Liquid crystal display, thin film transistor array, and method of fabricating same with storage capacitor providing high aspect ratio' [patent_app_type] => 1 [patent_app_number] => 8/994436 [patent_app_country] => US [patent_app_date] => 1997-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4010 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/137/06137551.pdf [firstpage_image] =>[orig_patent_app_number] => 994436 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/994436
Liquid crystal display, thin film transistor array, and method of fabricating same with storage capacitor providing high aspect ratio Dec 18, 1997 Issued
Array ( [id] => 4202209 [patent_doc_number] => 06043856 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Liquid crystal dispersion display using opaque conductive layers including developed silver' [patent_app_type] => 1 [patent_app_number] => 8/992892 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2107 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/043/06043856.pdf [firstpage_image] =>[orig_patent_app_number] => 992892 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992892
Liquid crystal dispersion display using opaque conductive layers including developed silver Dec 17, 1997 Issued
Array ( [id] => 3990708 [patent_doc_number] => 05949502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Liquid crystal device having resistor elements' [patent_app_type] => 1 [patent_app_number] => 8/973838 [patent_app_country] => US [patent_app_date] => 1997-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 30 [patent_no_of_words] => 17711 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/949/05949502.pdf [firstpage_image] =>[orig_patent_app_number] => 973838 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973838
Liquid crystal device having resistor elements Dec 16, 1997 Issued
Array ( [id] => 4366814 [patent_doc_number] => 06219113 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-17 [patent_title] => 'Method and apparatus for driving an active matrix display panel' [patent_app_type] => 1 [patent_app_number] => 8/993250 [patent_app_country] => US [patent_app_date] => 1997-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 220 [patent_figures_cnt] => 312 [patent_no_of_words] => 82387 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/219/06219113.pdf [firstpage_image] =>[orig_patent_app_number] => 993250 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/993250
Method and apparatus for driving an active matrix display panel Dec 16, 1997 Issued
Array ( [id] => 3922895 [patent_doc_number] => 06002462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-14 [patent_title] => 'Liquid crystal display device with electrodes corresponding to channel region and display region and colored layers being formed on the electrodes' [patent_app_type] => 1 [patent_app_number] => 8/991545 [patent_app_country] => US [patent_app_date] => 1997-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 7889 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/002/06002462.pdf [firstpage_image] =>[orig_patent_app_number] => 991545 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/991545
Liquid crystal display device with electrodes corresponding to channel region and display region and colored layers being formed on the electrodes Dec 15, 1997 Issued
Array ( [id] => 4152537 [patent_doc_number] => 06031586 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-29 [patent_title] => 'Liquid crystal printing apparatus for radiation thermal transfer of colorant from a donor to a receiver' [patent_app_type] => 1 [patent_app_number] => 8/987663 [patent_app_country] => US [patent_app_date] => 1997-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1870 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/031/06031586.pdf [firstpage_image] =>[orig_patent_app_number] => 987663 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/987663
Liquid crystal printing apparatus for radiation thermal transfer of colorant from a donor to a receiver Dec 8, 1997 Issued
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