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] => 1569855 [patent_doc_number] => 06377325 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-04-23 [patent_title] => 'Reflective film material having symmetrical reflection characteristics and method and apparatus for making the same' [patent_app_type] => B2 [patent_app_number] => 08/891877 [patent_app_country] => US [patent_app_date] => 1997-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 28 [patent_no_of_words] => 19555 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/377/06377325.pdf [firstpage_image] =>[orig_patent_app_number] => 08891877 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/891877
Reflective film material having symmetrical reflection characteristics and method and apparatus for making the same Jul 8, 1997 Issued
Array ( [id] => 3901528 [patent_doc_number] => 05835178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Liquid crystal display device with periphery of external electrodes covered with orientation film formed where extraction electodes are not formed' [patent_app_type] => 1 [patent_app_number] => 8/889802 [patent_app_country] => US [patent_app_date] => 1997-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 25 [patent_no_of_words] => 4385 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/835/05835178.pdf [firstpage_image] =>[orig_patent_app_number] => 889802 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/889802
Liquid crystal display device with periphery of external electrodes covered with orientation film formed where extraction electodes are not formed Jul 7, 1997 Issued
Array ( [id] => 4024191 [patent_doc_number] => 05880796 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Display device with display plate having metal upper suface including narrow outgoing opening for emitting light from light emitting member' [patent_app_type] => 1 [patent_app_number] => 8/889428 [patent_app_country] => US [patent_app_date] => 1997-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 37 [patent_no_of_words] => 8687 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/880/05880796.pdf [firstpage_image] =>[orig_patent_app_number] => 889428 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/889428
Display device with display plate having metal upper suface including narrow outgoing opening for emitting light from light emitting member Jul 7, 1997 Issued
Array ( [id] => 3818100 [patent_doc_number] => 05831696 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Base structure for liquid crystal display' [patent_app_type] => 1 [patent_app_number] => 8/882437 [patent_app_country] => US [patent_app_date] => 1997-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1012 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/831/05831696.pdf [firstpage_image] =>[orig_patent_app_number] => 882437 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/882437
Base structure for liquid crystal display Jun 24, 1997 Issued
Array ( [id] => 3957120 [patent_doc_number] => 05990991 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Twisted liquid crystal surface mode device' [patent_app_type] => 1 [patent_app_number] => 8/880456 [patent_app_country] => US [patent_app_date] => 1997-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 6853 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/990/05990991.pdf [firstpage_image] =>[orig_patent_app_number] => 880456 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/880456
Twisted liquid crystal surface mode device Jun 23, 1997 Issued
Array ( [id] => 3597309 [patent_doc_number] => 05564411 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-15 [patent_title] => 'Roof module having an integral solar energy concentrator' [patent_app_type] => 1 [patent_app_number] => 8/879843 [patent_app_country] => US [patent_app_date] => 1995-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7598 [patent_no_of_claims] => 87 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/564/05564411.pdf [firstpage_image] =>[orig_patent_app_number] => 879843 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/879843
Polarization dependent twisted nematic liquid crystal devices for reflective spatial light modulators Jun 19, 1997 Issued
Array ( [id] => 3597309 [patent_doc_number] => 05564411 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-15 [patent_title] => 'Roof module having an integral solar energy concentrator' [patent_app_type] => 1 [patent_app_number] => 8/879843 [patent_app_country] => US [patent_app_date] => 1995-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7598 [patent_no_of_claims] => 87 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/564/05564411.pdf [firstpage_image] =>[orig_patent_app_number] => 879843 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/879843
Polarization dependent twisted nematic liquid crystal devices for reflective spatial light modulators Jun 19, 1997 Issued
Array ( [id] => 4217127 [patent_doc_number] => 06028653 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Active matrix liquid crystal display panel having an improved numerical aperture and display reliability and wiring designing method therefor' [patent_app_type] => 1 [patent_app_number] => 8/878533 [patent_app_country] => US [patent_app_date] => 1997-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3693 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/028/06028653.pdf [firstpage_image] =>[orig_patent_app_number] => 878533 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/878533
Active matrix liquid crystal display panel having an improved numerical aperture and display reliability and wiring designing method therefor Jun 18, 1997 Issued
Array ( [id] => 3930483 [patent_doc_number] => 05914760 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-22 [patent_title] => 'Surface light source device and liquid crystal display device using the same' [patent_app_type] => 1 [patent_app_number] => 8/878412 [patent_app_country] => US [patent_app_date] => 1997-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 35 [patent_no_of_words] => 15798 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/914/05914760.pdf [firstpage_image] =>[orig_patent_app_number] => 878412 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/878412
Surface light source device and liquid crystal display device using the same Jun 17, 1997 Issued
Array ( [id] => 3901425 [patent_doc_number] => 05835172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Thin film transistor liquid crystal display with main gate electrode contacting subsidiary gate electrodes and method of fabricating' [patent_app_type] => 1 [patent_app_number] => 8/874659 [patent_app_country] => US [patent_app_date] => 1997-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 33 [patent_no_of_words] => 7109 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/835/05835172.pdf [firstpage_image] =>[orig_patent_app_number] => 874659 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/874659
Thin film transistor liquid crystal display with main gate electrode contacting subsidiary gate electrodes and method of fabricating Jun 12, 1997 Issued
Array ( [id] => 3818117 [patent_doc_number] => 05831697 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Flat panel display screen apparatus with optical junction and removable backlighting assembly' [patent_app_type] => 1 [patent_app_number] => 8/873917 [patent_app_country] => US [patent_app_date] => 1997-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 10098 [patent_no_of_claims] => 13 [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/05/831/05831697.pdf [firstpage_image] =>[orig_patent_app_number] => 873917 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/873917
Flat panel display screen apparatus with optical junction and removable backlighting assembly Jun 11, 1997 Issued
Array ( [id] => 3960641 [patent_doc_number] => 05978055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Compensator, liquid crystal display device and retardation foil' [patent_app_type] => 1 [patent_app_number] => 8/857128 [patent_app_country] => US [patent_app_date] => 1997-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4882 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/978/05978055.pdf [firstpage_image] =>[orig_patent_app_number] => 857128 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/857128
Compensator, liquid crystal display device and retardation foil May 14, 1997 Issued
Array ( [id] => 4150452 [patent_doc_number] => 06061107 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-09 [patent_title] => 'Bistable polymer dispersed cholesteric liquid crystal displays' [patent_app_type] => 1 [patent_app_number] => 8/852589 [patent_app_country] => US [patent_app_date] => 1997-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 3184 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/061/06061107.pdf [firstpage_image] =>[orig_patent_app_number] => 852589 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/852589
Bistable polymer dispersed cholesteric liquid crystal displays May 6, 1997 Issued
Array ( [id] => 4075907 [patent_doc_number] => 06008875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'TN-mode liquid crystal display wherein a leveling layer is formed on the surface of an uneven electrode' [patent_app_type] => 1 [patent_app_number] => 8/840389 [patent_app_country] => US [patent_app_date] => 1997-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 30 [patent_no_of_words] => 5873 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/008/06008875.pdf [firstpage_image] =>[orig_patent_app_number] => 840389 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/840389
TN-mode liquid crystal display wherein a leveling layer is formed on the surface of an uneven electrode Apr 28, 1997 Issued
Array ( [id] => 3778638 [patent_doc_number] => 05850269 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-15 [patent_title] => 'Liquid crystal display device wherein each scanning electrode includes three gate lines corresponding separate pixels for displaying three dimensional image' [patent_app_type] => 1 [patent_app_number] => 8/831005 [patent_app_country] => US [patent_app_date] => 1997-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 3064 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/850/05850269.pdf [firstpage_image] =>[orig_patent_app_number] => 831005 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/831005
Liquid crystal display device wherein each scanning electrode includes three gate lines corresponding separate pixels for displaying three dimensional image Mar 30, 1997 Issued
Array ( [id] => 3967100 [patent_doc_number] => 05936686 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Active matrix type liquid crystal display' [patent_app_type] => 1 [patent_app_number] => 8/835020 [patent_app_country] => US [patent_app_date] => 1997-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5254 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/936/05936686.pdf [firstpage_image] =>[orig_patent_app_number] => 835020 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/835020
Active matrix type liquid crystal display Mar 26, 1997 Issued
Array ( [id] => 4074456 [patent_doc_number] => 05867233 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Active matrix liquid crystal display substrate with island structure covering break in signal bus line and method of producing same' [patent_app_type] => 1 [patent_app_number] => 8/828743 [patent_app_country] => US [patent_app_date] => 1997-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 17 [patent_no_of_words] => 2985 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/867/05867233.pdf [firstpage_image] =>[orig_patent_app_number] => 828743 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/828743
Active matrix liquid crystal display substrate with island structure covering break in signal bus line and method of producing same Mar 25, 1997 Issued
Array ( [id] => 4031883 [patent_doc_number] => 05926245 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Liquid crystal display having a single polarizer and no retardation film compensation' [patent_app_type] => 1 [patent_app_number] => 8/826800 [patent_app_country] => US [patent_app_date] => 1997-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4763 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/926/05926245.pdf [firstpage_image] =>[orig_patent_app_number] => 826800 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/826800
Liquid crystal display having a single polarizer and no retardation film compensation Mar 24, 1997 Issued
Array ( [id] => 4044246 [patent_doc_number] => 05995176 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-30 [patent_title] => 'Liquid crystal display apparatus having pixels of different orientation of liquid crystal capable of shielding leakage of light through the discontinuity of orientation' [patent_app_type] => 1 [patent_app_number] => 8/821930 [patent_app_country] => US [patent_app_date] => 1997-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 22 [patent_no_of_words] => 2836 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/995/05995176.pdf [firstpage_image] =>[orig_patent_app_number] => 821930 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/821930
Liquid crystal display apparatus having pixels of different orientation of liquid crystal capable of shielding leakage of light through the discontinuity of orientation Mar 20, 1997 Issued
Array ( [id] => 3937488 [patent_doc_number] => 05877834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-02 [patent_title] => 'Smectic liquid crystal element utilizing spontaneous polarization of liquid crystal molecules and polymer, and manufacturing method thereof' [patent_app_type] => 1 [patent_app_number] => 8/821463 [patent_app_country] => US [patent_app_date] => 1997-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 10697 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/877/05877834.pdf [firstpage_image] =>[orig_patent_app_number] => 821463 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/821463
Smectic liquid crystal element utilizing spontaneous polarization of liquid crystal molecules and polymer, and manufacturing method thereof Mar 20, 1997 Issued
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