Search

Sultan U. Chowdhury

Examiner (ID: 10205, Phone: (571)270-3336 , Office: P/2882 )

Most Active Art Unit
2882
Art Unit(s)
2878, 2882
Total Applications
1739
Issued Applications
1547
Pending Applications
93
Abandoned Applications
149

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17884373 [patent_doc_number] => 20220299850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => LIGHT SOURCE DEVICE AND PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/699445 [patent_app_country] => US [patent_app_date] => 2022-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17699445 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/699445
Light source device and projector Mar 20, 2022 Issued
Array ( [id] => 17884372 [patent_doc_number] => 20220299849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => PROJECTION CONTROL APPARATUS, TERMINAL APPARATUS, AND PROJECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/699951 [patent_app_country] => US [patent_app_date] => 2022-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9361 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17699951 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/699951
Projection control apparatus, terminal apparatus, and projection method Mar 20, 2022 Issued
Array ( [id] => 17884301 [patent_doc_number] => 20220299778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => WAVEGUIDE SYSTEM FOR NEAR EYE OPTICAL DISPLAYS [patent_app_type] => utility [patent_app_number] => 17/655063 [patent_app_country] => US [patent_app_date] => 2022-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17655063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/655063
Waveguide system for near eye optical displays Mar 15, 2022 Issued
Array ( [id] => 18553473 [patent_doc_number] => 20230251485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => HEAD-UP DISPLAY HAVING A LARGE EXIT PUPIL [patent_app_type] => utility [patent_app_number] => 17/694704 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17694704 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/694704
Head-up display having a large exit pupil Mar 14, 2022 Issued
Array ( [id] => 18828603 [patent_doc_number] => 11843902 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-12 [patent_title] => Image forming medium changing device, spatial projection apparatus, spatial projection system, and spatial projection method [patent_app_type] => utility [patent_app_number] => 17/691561 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 10098 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17691561 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691561
Image forming medium changing device, spatial projection apparatus, spatial projection system, and spatial projection method Mar 9, 2022 Issued
Array ( [id] => 19143967 [patent_doc_number] => 20240142861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => PROJECTION SYSTEM AND METHOD FOR ETENDUE UTILIZATION [patent_app_type] => utility [patent_app_number] => 18/548208 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18548208 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548208
PROJECTION SYSTEM AND METHOD FOR ETENDUE UTILIZATION Mar 9, 2022 Pending
Array ( [id] => 19907306 [patent_doc_number] => 12284328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Display apparatus, display system, and display adjustment method [patent_app_type] => utility [patent_app_number] => 17/685431 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 7823 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17685431 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/685431
Display apparatus, display system, and display adjustment method Mar 2, 2022 Issued
Array ( [id] => 18429989 [patent_doc_number] => 11675205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Image display device and virtual image display apparatus [patent_app_type] => utility [patent_app_number] => 17/683685 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 14221 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683685 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683685
Image display device and virtual image display apparatus Feb 28, 2022 Issued
Array ( [id] => 19591123 [patent_doc_number] => 20240388680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => PROJECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/921392 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17921392 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/921392
Projection apparatus Feb 27, 2022 Issued
Array ( [id] => 18598634 [patent_doc_number] => 20230273433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => STEREO ALIGNMENT ASSESSMENT FOR HEAD-MOUNTED DISPLAY [patent_app_type] => utility [patent_app_number] => 17/652901 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17652901 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/652901
Stereo alignment assessment for head-mounted display Feb 27, 2022 Issued
Array ( [id] => 18270717 [patent_doc_number] => 20230091959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => HEAD MOUNTED DISPLAY [patent_app_type] => utility [patent_app_number] => 17/676762 [patent_app_country] => US [patent_app_date] => 2022-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17676762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/676762
Head mounted display Feb 20, 2022 Issued
Array ( [id] => 18421913 [patent_doc_number] => 20230176377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => DIRECTIONAL ILLUMINATOR AND DISPLAY APPARATUS WITH SWITCHABLE DIFFUSER [patent_app_type] => utility [patent_app_number] => 17/671446 [patent_app_country] => US [patent_app_date] => 2022-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17671446 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/671446
DIRECTIONAL ILLUMINATOR AND DISPLAY APPARATUS WITH SWITCHABLE DIFFUSER Feb 13, 2022 Pending
Array ( [id] => 17812231 [patent_doc_number] => 20220264066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => DISPLAY METHOD AND DISPLAY SYSTEM [patent_app_type] => utility [patent_app_number] => 17/669475 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17669475 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/669475
Display method and display system Feb 10, 2022 Issued
Array ( [id] => 18561131 [patent_doc_number] => 11726374 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Display, display system, image projection system, and movable object [patent_app_type] => utility [patent_app_number] => 17/666184 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6803 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666184 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666184
Display, display system, image projection system, and movable object Feb 6, 2022 Issued
Array ( [id] => 19192797 [patent_doc_number] => 20240171710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => PROJECTION SYSTEM AND METHOD WITH DYNAMIC TARGET GEOMETRY [patent_app_type] => utility [patent_app_number] => 18/263117 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18263117 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263117
PROJECTION SYSTEM AND METHOD WITH DYNAMIC TARGET GEOMETRY Jan 31, 2022 Pending
Array ( [id] => 18538970 [patent_doc_number] => 20230244077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => DYNAMIC CONTROL OF WAVEGUIDE EYE BOX [patent_app_type] => utility [patent_app_number] => 17/649444 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8267 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17649444 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649444
Dynamic control of waveguide eye box Jan 30, 2022 Issued
Array ( [id] => 17853445 [patent_doc_number] => 20220283487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => ELECTRONIC APPARATUS AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/586408 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586408
Electronic apparatus and control method thereof Jan 26, 2022 Issued
Array ( [id] => 18719557 [patent_doc_number] => 11796899 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Control device, projection apparatus, control method, and control program [patent_app_type] => utility [patent_app_number] => 17/583927 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12831 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583927
Control device, projection apparatus, control method, and control program Jan 24, 2022 Issued
Array ( [id] => 17703803 [patent_doc_number] => 20220203809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => VEHICULAR DISPLAY CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 17/583049 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583049 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583049
VEHICULAR DISPLAY CONTROL DEVICE Jan 23, 2022 Abandoned
Array ( [id] => 19147800 [patent_doc_number] => 20240146886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => PROJECTOR APPARATUS, LIGHT SOURCE DEVICE, AND LIGHT SOURCE DRIVE METHOD [patent_app_type] => utility [patent_app_number] => 18/549505 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18549505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549505
PROJECTOR APPARATUS, LIGHT SOURCE DEVICE, AND LIGHT SOURCE DRIVE METHOD Jan 20, 2022 Pending
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