
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 4365759
[patent_doc_number] => 06201593
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-03-13
[patent_title] => 'Optical communication system having a liquid crystal routing switch'
[patent_app_type] => 1
[patent_app_number] => 9/418220
[patent_app_country] => US
[patent_app_date] => 1999-10-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 15
[patent_no_of_words] => 3440
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 133
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/201/06201593.pdf
[firstpage_image] =>[orig_patent_app_number] => 418220
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/418220 | Optical communication system having a liquid crystal routing switch | Oct 13, 1999 | Issued |
Array
(
[id] => 1525423
[patent_doc_number] => 06353467
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-03-05
[patent_title] => 'Acute twist nematic (ATN) liquid crystal device for optical communication applications'
[patent_app_type] => B1
[patent_app_number] => 09/417600
[patent_app_country] => US
[patent_app_date] => 1999-10-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 15
[patent_no_of_words] => 3366
[patent_no_of_claims] => 83
[patent_no_of_ind_claims] => 8
[patent_words_short_claim] => 107
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/353/06353467.pdf
[firstpage_image] =>[orig_patent_app_number] => 09417600
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/417600 | Acute twist nematic (ATN) liquid crystal device for optical communication applications | Oct 13, 1999 | Issued |
Array
(
[id] => 4263554
[patent_doc_number] => 06208399
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-03-27
[patent_title] => 'Liquid crystal display device'
[patent_app_type] => 1
[patent_app_number] => 9/402645
[patent_app_country] => US
[patent_app_date] => 1999-10-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 25
[patent_figures_cnt] => 29
[patent_no_of_words] => 13500
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 134
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/208/06208399.pdf
[firstpage_image] =>[orig_patent_app_number] => 402645
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/402645 | Liquid crystal display device | Oct 7, 1999 | Issued |
Array
(
[id] => 4381570
[patent_doc_number] => 06288765
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-09-11
[patent_title] => 'Liquid crystal display device having improved thickness uniformity'
[patent_app_type] => 1
[patent_app_number] => 9/407745
[patent_app_country] => US
[patent_app_date] => 1999-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 29
[patent_no_of_words] => 9448
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 139
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/288/06288765.pdf
[firstpage_image] =>[orig_patent_app_number] => 407745
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/407745 | Liquid crystal display device having improved thickness uniformity | Sep 27, 1999 | Issued |
Array
(
[id] => 4270296
[patent_doc_number] => 06204900
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-03-20
[patent_title] => 'Microencapsulated liquid crystal and a method and system for using same'
[patent_app_type] => 1
[patent_app_number] => 9/407523
[patent_app_country] => US
[patent_app_date] => 1999-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 18
[patent_no_of_words] => 14264
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 7
[patent_words_short_claim] => 57
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/204/06204900.pdf
[firstpage_image] =>[orig_patent_app_number] => 407523
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/407523 | Microencapsulated liquid crystal and a method and system for using same | Sep 27, 1999 | Issued |
Array
(
[id] => 4168472
[patent_doc_number] => 06115092
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-09-05
[patent_title] => 'Compensation for edge effects and cell gap variation in tiled flat-panel, liquid crystal displays'
[patent_app_type] => 1
[patent_app_number] => 9/396142
[patent_app_country] => US
[patent_app_date] => 1999-09-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 16
[patent_no_of_words] => 9262
[patent_no_of_claims] => 14
[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/06/115/06115092.pdf
[firstpage_image] =>[orig_patent_app_number] => 396142
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/396142 | Compensation for edge effects and cell gap variation in tiled flat-panel, liquid crystal displays | Sep 14, 1999 | Issued |
Array
(
[id] => 4114306
[patent_doc_number] => 06100949
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-08-08
[patent_title] => 'Liquid crystal display device having electrostatic discharge protection'
[patent_app_type] => 1
[patent_app_number] => 9/396453
[patent_app_country] => US
[patent_app_date] => 1999-09-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 16
[patent_no_of_words] => 3564
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 105
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/100/06100949.pdf
[firstpage_image] =>[orig_patent_app_number] => 396453
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/396453 | Liquid crystal display device having electrostatic discharge protection | Sep 14, 1999 | Issued |
Array
(
[id] => 1498584
[patent_doc_number] => 06404465
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-06-11
[patent_title] => 'Liquid crystal display wherein storage electrodes overlap upper part of source lines and pixel electrodes overlap upper part of storage electrodes'
[patent_app_type] => B1
[patent_app_number] => 09/395940
[patent_app_country] => US
[patent_app_date] => 1999-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 20
[patent_figures_cnt] => 31
[patent_no_of_words] => 7175
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 134
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/404/06404465.pdf
[firstpage_image] =>[orig_patent_app_number] => 09395940
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/395940 | Liquid crystal display wherein storage electrodes overlap upper part of source lines and pixel electrodes overlap upper part of storage electrodes | Sep 13, 1999 | Issued |
Array
(
[id] => 4195265
[patent_doc_number] => 06151086
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-11-21
[patent_title] => 'Method and apparatus for controllably scattering light using birefringent liquid crystal'
[patent_app_type] => 1
[patent_app_number] => 9/395143
[patent_app_country] => US
[patent_app_date] => 1999-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 10
[patent_no_of_words] => 6934
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 142
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/151/06151086.pdf
[firstpage_image] =>[orig_patent_app_number] => 395143
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/395143 | Method and apparatus for controllably scattering light using birefringent liquid crystal | Sep 13, 1999 | Issued |
Array
(
[id] => 4128666
[patent_doc_number] => 06072554
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-06-06
[patent_title] => 'In-plane switching type liquid crystal display wherein the upper surface of the first substate having a raised portion'
[patent_app_type] => 1
[patent_app_number] => 9/394343
[patent_app_country] => US
[patent_app_date] => 1999-09-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 30
[patent_no_of_words] => 9672
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 209
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/072/06072554.pdf
[firstpage_image] =>[orig_patent_app_number] => 394343
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/394343 | In-plane switching type liquid crystal display wherein the upper surface of the first substate having a raised portion | Sep 12, 1999 | Issued |
Array
(
[id] => 1479630
[patent_doc_number] => 06344887
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-02-05
[patent_title] => 'Full spectrum reflective choleterics display employing circular polarizers with the same polarity but different disposition'
[patent_app_type] => B1
[patent_app_number] => 09/393947
[patent_app_country] => US
[patent_app_date] => 1999-09-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 6257
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 166
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/344/06344887.pdf
[firstpage_image] =>[orig_patent_app_number] => 09393947
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/393947 | Full spectrum reflective choleterics display employing circular polarizers with the same polarity but different disposition | Sep 9, 1999 | Issued |
Array
(
[id] => 4243746
[patent_doc_number] => 06075577
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-06-13
[patent_title] => 'Continuously viewable, DC field-balanced, reflective, ferroelectric liquid crystal image generator'
[patent_app_type] => 1
[patent_app_number] => 9/391087
[patent_app_country] => US
[patent_app_date] => 1999-09-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 22
[patent_no_of_words] => 7930
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 170
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/075/06075577.pdf
[firstpage_image] =>[orig_patent_app_number] => 391087
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/391087 | Continuously viewable, DC field-balanced, reflective, ferroelectric liquid crystal image generator | Sep 3, 1999 | Issued |
Array
(
[id] => 4214322
[patent_doc_number] => 06078370
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-06-20
[patent_title] => 'Method of constructing an array of pixels for use in a multi-pixel liquid crystal display'
[patent_app_type] => 1
[patent_app_number] => 9/389127
[patent_app_country] => US
[patent_app_date] => 1999-09-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 11
[patent_no_of_words] => 6178
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 372
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/078/06078370.pdf
[firstpage_image] =>[orig_patent_app_number] => 389127
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/389127 | Method of constructing an array of pixels for use in a multi-pixel liquid crystal display | Sep 1, 1999 | Issued |
Array
(
[id] => 1492857
[patent_doc_number] => 06417899
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-07-09
[patent_title] => 'Liquid crystal display with internal polarizer and method of making same'
[patent_app_type] => B1
[patent_app_number] => 09/386308
[patent_app_country] => US
[patent_app_date] => 1999-08-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 12
[patent_no_of_words] => 7482
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 77
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/417/06417899.pdf
[firstpage_image] =>[orig_patent_app_number] => 09386308
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/386308 | Liquid crystal display with internal polarizer and method of making same | Aug 30, 1999 | Issued |
Array
(
[id] => 4414673
[patent_doc_number] => 06271905
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-08-07
[patent_title] => 'Reflective liquid crystal display device'
[patent_app_type] => 1
[patent_app_number] => 9/382147
[patent_app_country] => US
[patent_app_date] => 1999-08-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 12
[patent_no_of_words] => 7219
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 246
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/271/06271905.pdf
[firstpage_image] =>[orig_patent_app_number] => 382147
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/382147 | Reflective liquid crystal display device | Aug 23, 1999 | Issued |
Array
(
[id] => 4390607
[patent_doc_number] => 06304308
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-10-16
[patent_title] => 'Liquid crystal display device with optical shield film'
[patent_app_type] => 1
[patent_app_number] => 9/370245
[patent_app_country] => US
[patent_app_date] => 1999-08-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 15
[patent_no_of_words] => 11245
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 139
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/304/06304308.pdf
[firstpage_image] =>[orig_patent_app_number] => 370245
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/370245 | Liquid crystal display device with optical shield film | Aug 8, 1999 | Issued |
Array
(
[id] => 1536030
[patent_doc_number] => 06411352
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-06-25
[patent_title] => 'Slim liquid crystal display device'
[patent_app_type] => B1
[patent_app_number] => 09/370740
[patent_app_country] => US
[patent_app_date] => 1999-08-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 2526
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 67
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/411/06411352.pdf
[firstpage_image] =>[orig_patent_app_number] => 09370740
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/370740 | Slim liquid crystal display device | Aug 8, 1999 | Issued |
Array
(
[id] => 4157375
[patent_doc_number] => 06064454
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-05-16
[patent_title] => 'Color filter panel of an LCD device'
[patent_app_type] => 1
[patent_app_number] => 9/359645
[patent_app_country] => US
[patent_app_date] => 1999-07-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 24
[patent_no_of_words] => 4275
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 126
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/064/06064454.pdf
[firstpage_image] =>[orig_patent_app_number] => 359645
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/359645 | Color filter panel of an LCD device | Jul 25, 1999 | Issued |
Array
(
[id] => 5886873
[patent_doc_number] => 20020012091
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-01-31
[patent_title] => 'MULTI-DOMAIN LIQUID CRYSTAL DISPLAY DEVICE HAVING FIELD AFFECTING ELECTRODE'
[patent_app_type] => new
[patent_app_number] => 09/357247
[patent_app_country] => US
[patent_app_date] => 1999-07-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 18
[patent_figures_cnt] => 18
[patent_no_of_words] => 3474
[patent_no_of_claims] => 42
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 55
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0012/20020012091.pdf
[firstpage_image] =>[orig_patent_app_number] => 09357247
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/357247 | Multi-domain liquid crystal display device having field affecting electrode | Jul 19, 1999 | Issued |
Array
(
[id] => 6581899
[patent_doc_number] => 20020041346
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-04-11
[patent_title] => 'ELECTRO-OPTICAL GLAZING STRUCTURES HAVING TOTAL-REFLECTION AND TRANSPARENT MODES OF OPERATION FOR USE IN DYNAMICAL CONTROL OF ELECTROMAGNETIC RADIATION'
[patent_app_type] => new
[patent_app_number] => 09/354192
[patent_app_country] => US
[patent_app_date] => 1999-07-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 25
[patent_figures_cnt] => 25
[patent_no_of_words] => 18966
[patent_no_of_claims] => 35
[patent_no_of_ind_claims] => 20
[patent_words_short_claim] => 23
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0041/20020041346.pdf
[firstpage_image] =>[orig_patent_app_number] => 09354192
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/354192 | Electro-optical glazing structures having bi-directional control of electromagnetic radiation during total-reflection, semi-transparent and totally-transparent modes of operation | Jul 14, 1999 | Issued |