Search

Sultan U. Chowdhury

Examiner (ID: 13868, Phone: (571)270-3336 , Office: P/2882 )

Most Active Art Unit
2882
Art Unit(s)
2882, 2878
Total Applications
1791
Issued Applications
1586
Pending Applications
80
Abandoned Applications
158

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19564306 [patent_doc_number] => 12139064 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Method for adapting setpoints for a digital lighting unit of a motor vehicle preliminary class [patent_app_type] => utility [patent_app_number] => 17/766349 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3313 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17766349 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/766349
Method for adapting setpoints for a digital lighting unit of a motor vehicle preliminary class Sep 29, 2020 Issued
Array ( [id] => 18363112 [patent_doc_number] => 20230144703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => HEAD-MOUNTED DISPLAY [patent_app_type] => utility [patent_app_number] => 17/766277 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17766277 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/766277
Head-mounted display Sep 28, 2020 Issued
Array ( [id] => 18135793 [patent_doc_number] => 11561462 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Optical system and projection device [patent_app_type] => utility [patent_app_number] => 17/037560 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3832 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17037560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/037560
Optical system and projection device Sep 28, 2020 Issued
Array ( [id] => 19120464 [patent_doc_number] => 11964429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Light recycling for additive manufacturing optimization [patent_app_type] => utility [patent_app_number] => 17/030206 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 8262 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17030206 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/030206
Light recycling for additive manufacturing optimization Sep 22, 2020 Issued
Array ( [id] => 17311363 [patent_doc_number] => 11212495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-28 [patent_title] => Wavelength conversion element, light source device, and projector [patent_app_type] => utility [patent_app_number] => 17/025526 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 8804 [patent_no_of_claims] => 9 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17025526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/025526
Wavelength conversion element, light source device, and projector Sep 17, 2020 Issued
Array ( [id] => 16615206 [patent_doc_number] => 20210033859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => VISION CORRECTION SYSTEM AND METHOD, LIGHT FIELD DISPLAY AND LIGHT FIELD SHAPING LAYER AND ALIGNMENT THEREFOR [patent_app_type] => utility [patent_app_number] => 17/016238 [patent_app_country] => US [patent_app_date] => 2020-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17016238 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/016238
Vision correction system and method, light field display and light field shaping layer and alignment therefor Sep 8, 2020 Issued
Array ( [id] => 17091210 [patent_doc_number] => 11119394 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-14 [patent_title] => Light source device, illumination optical device, and projector [patent_app_type] => utility [patent_app_number] => 17/003315 [patent_app_country] => US [patent_app_date] => 2020-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 25442 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17003315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/003315
Light source device, illumination optical device, and projector Aug 25, 2020 Issued
Array ( [id] => 17194467 [patent_doc_number] => 11163218 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Projection system, position detection system, and position detection method [patent_app_type] => utility [patent_app_number] => 16/999207 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 27 [patent_no_of_words] => 14917 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16999207 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/999207
Projection system, position detection system, and position detection method Aug 20, 2020 Issued
Array ( [id] => 17150873 [patent_doc_number] => 11143945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Lens module and projection device [patent_app_type] => utility [patent_app_number] => 16/995833 [patent_app_country] => US [patent_app_date] => 2020-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6984 [patent_no_of_claims] => 18 [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] =>[firstpage_image] =>[orig_patent_app_number] => 16995833 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995833
Lens module and projection device Aug 17, 2020 Issued
Array ( [id] => 18052572 [patent_doc_number] => 11525948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Optical sheet, method of manufacturing the same, and display apparatus having the same [patent_app_type] => utility [patent_app_number] => 16/996250 [patent_app_country] => US [patent_app_date] => 2020-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 32 [patent_no_of_words] => 10797 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16996250 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/996250
Optical sheet, method of manufacturing the same, and display apparatus having the same Aug 17, 2020 Issued
Array ( [id] => 19970847 [patent_doc_number] => 12339452 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Holographic waveguide [patent_app_type] => utility [patent_app_number] => 17/635858 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 7278 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17635858 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/635858
Holographic waveguide Aug 16, 2020 Issued
Array ( [id] => 17872287 [patent_doc_number] => 20220295024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => PROJECTION SYSTEM AND PROJECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/637698 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17637698 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/637698
Projection system and projection method Aug 12, 2020 Issued
Array ( [id] => 16454285 [patent_doc_number] => 20200363711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => LIGHT WAVELENGTH CONVERSION ELEMENT AND PROJECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 16/987407 [patent_app_country] => US [patent_app_date] => 2020-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8329 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16987407 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/987407
Light wavelength conversion element and projection apparatus Aug 6, 2020 Issued
Array ( [id] => 19856718 [patent_doc_number] => 12259550 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Adjustment device, adjustment unit, head-up display and motor vehicle [patent_app_type] => utility [patent_app_number] => 17/635878 [patent_app_country] => US [patent_app_date] => 2020-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7995 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17635878 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/635878
Adjustment device, adjustment unit, head-up display and motor vehicle Aug 5, 2020 Issued
Array ( [id] => 17293671 [patent_doc_number] => 20210389510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => SPACER [patent_app_type] => utility [patent_app_number] => 16/944155 [patent_app_country] => US [patent_app_date] => 2020-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6360 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16944155 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/944155
Spacer Jul 30, 2020 Issued
Array ( [id] => 17105866 [patent_doc_number] => 11126075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Projection device [patent_app_type] => utility [patent_app_number] => 16/939075 [patent_app_country] => US [patent_app_date] => 2020-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5029 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16939075 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/939075
Projection device Jul 26, 2020 Issued
Array ( [id] => 16599695 [patent_doc_number] => 20210026226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => LENS STRUCTURE AND PROJECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 16/936395 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4813 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16936395 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/936395
Lens structure and projection apparatus Jul 21, 2020 Issued
Array ( [id] => 16599701 [patent_doc_number] => 20210026232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => Polarized Projection System and Method [patent_app_type] => utility [patent_app_number] => 16/934768 [patent_app_country] => US [patent_app_date] => 2020-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16934768 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/934768
Polarized projection system and method Jul 20, 2020 Issued
Array ( [id] => 19416061 [patent_doc_number] => 12081918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Optical arrangement and method [patent_app_type] => utility [patent_app_number] => 17/627670 [patent_app_country] => US [patent_app_date] => 2020-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6958 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17627670 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627670
Optical arrangement and method Jul 19, 2020 Issued
Array ( [id] => 16580060 [patent_doc_number] => 20210014462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => PROJECTION-TYPE DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 16/925554 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16925554 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/925554
Projection-type display apparatus Jul 9, 2020 Issued
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