
William C. Choi
Examiner (ID: 403, Phone: (571)272-2324 , Office: P/2872 )
| Most Active Art Unit | 2872 |
| Art Unit(s) | 2873, 2872 |
| Total Applications | 2451 |
| Issued Applications | 2236 |
| Pending Applications | 118 |
| Abandoned Applications | 130 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19077732
[patent_doc_number] => 11947089
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-04-02
[patent_title] => Optical imaging system
[patent_app_type] => utility
[patent_app_number] => 18/178739
[patent_app_country] => US
[patent_app_date] => 2023-03-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 7137
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 162
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18178739
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/178739 | Optical imaging system | Mar 5, 2023 | Issued |
Array
(
[id] => 18651038
[patent_doc_number] => 20230296874
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-09-21
[patent_title] => OPTICAL SIGNAL DETECTION DEVICE, GEL UNIT, AND METHOD FOR MANUFACTURING GEL UNIT
[patent_app_type] => utility
[patent_app_number] => 18/116786
[patent_app_country] => US
[patent_app_date] => 2023-03-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 14522
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[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] => 18116786
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/116786 | Optical signal detection device, gel unit, and method for manufacturing gel unit | Mar 1, 2023 | Issued |
Array
(
[id] => 19204316
[patent_doc_number] => 20240176215
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-30
[patent_title] => CAMERA LENS ASSEMBLY
[patent_app_type] => utility
[patent_app_number] => 18/175921
[patent_app_country] => US
[patent_app_date] => 2023-02-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5547
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[patent_words_short_claim] => 251
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175921
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/175921 | CAMERA LENS ASSEMBLY | Feb 27, 2023 | Abandoned |
Array
(
[id] => 18470652
[patent_doc_number] => 20230204938
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-29
[patent_title] => OPTICAL EYEPIECE USING SINGLE-SIDED PATTERNING OF GRATING COUPLERS
[patent_app_type] => utility
[patent_app_number] => 18/172890
[patent_app_country] => US
[patent_app_date] => 2023-02-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 14594
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -20
[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] => 18172890
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/172890 | Optical eyepiece using single-sided patterning of grating couplers | Feb 21, 2023 | Issued |
Array
(
[id] => 19327152
[patent_doc_number] => 12044830
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-07-23
[patent_title] => Optical imaging lens
[patent_app_type] => utility
[patent_app_number] => 18/168079
[patent_app_country] => US
[patent_app_date] => 2023-02-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 46
[patent_figures_cnt] => 63
[patent_no_of_words] => 16612
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 410
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18168079
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/168079 | Optical imaging lens | Feb 12, 2023 | Issued |
Array
(
[id] => 20017455
[patent_doc_number] => 20250155677
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-05-15
[patent_title] => ZOOM LENS AND IMAGING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/839594
[patent_app_country] => US
[patent_app_date] => 2023-02-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 16311
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -6
[patent_words_short_claim] => 69
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18839594
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/839594 | ZOOM LENS AND IMAGING APPARATUS | Feb 5, 2023 | Pending |
Array
(
[id] => 19077769
[patent_doc_number] => 11947126
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-04-02
[patent_title] => See-through computer display systems
[patent_app_type] => utility
[patent_app_number] => 18/162655
[patent_app_country] => US
[patent_app_date] => 2023-01-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 219
[patent_figures_cnt] => 261
[patent_no_of_words] => 110598
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 108
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18162655
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/162655 | See-through computer display systems | Jan 30, 2023 | Issued |
Array
(
[id] => 20086744
[patent_doc_number] => 20250216680
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-07-03
[patent_title] => LIGHT GUIDE DEVICE, DISPLAY DEVICE, AND DISPLAY SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/843905
[patent_app_country] => US
[patent_app_date] => 2023-01-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 16974
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -28
[patent_words_short_claim] => 128
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18843905
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/843905 | LIGHT GUIDE DEVICE, DISPLAY DEVICE, AND DISPLAY SYSTEM | Jan 19, 2023 | Pending |
Array
(
[id] => 18538966
[patent_doc_number] => 20230244073
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-08-03
[patent_title] => EYEPIECE OPTICAL STRUCTURE, EYEPIECE SYSTEM AND OPTICAL DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/153063
[patent_app_country] => US
[patent_app_date] => 2023-01-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6477
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 190
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18153063
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/153063 | Eyepiece optical structure, eyepiece system and optical device | Jan 10, 2023 | Issued |
Array
(
[id] => 18512763
[patent_doc_number] => 20230228979
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-20
[patent_title] => OPTICAL IMAGING LENS
[patent_app_type] => utility
[patent_app_number] => 18/151475
[patent_app_country] => US
[patent_app_date] => 2023-01-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10232
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 290
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18151475
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/151475 | Optical imaging lens | Jan 8, 2023 | Issued |
Array
(
[id] => 20017453
[patent_doc_number] => 20250155675
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-05-15
[patent_title] => IMAGING LENS SYSTEM, CAMERA MODULE, IN-VEHICLE SYSTEM, AND VEHICLE
[patent_app_type] => utility
[patent_app_number] => 18/728486
[patent_app_country] => US
[patent_app_date] => 2023-01-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4593
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 44
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18728486
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/728486 | IMAGING LENS SYSTEM, CAMERA MODULE, IN-VEHICLE SYSTEM, AND VEHICLE | Jan 5, 2023 | Pending |
Array
(
[id] => 18512762
[patent_doc_number] => 20230228978
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-20
[patent_title] => OPTICAL IMAGING LENS
[patent_app_type] => utility
[patent_app_number] => 18/150200
[patent_app_country] => US
[patent_app_date] => 2023-01-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9871
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 238
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18150200
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/150200 | Optical imaging lens | Jan 4, 2023 | Issued |
Array
(
[id] => 18496824
[patent_doc_number] => 20230219420
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-13
[patent_title] => AUGMENTED REALITY HEAD-UP DISPLAY SYSTEM FOR VEHICLE, AND VEHICLE
[patent_app_type] => utility
[patent_app_number] => 18/150242
[patent_app_country] => US
[patent_app_date] => 2023-01-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5549
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 153
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18150242
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/150242 | AUGMENTED REALITY HEAD-UP DISPLAY SYSTEM FOR VEHICLE, AND VEHICLE | Jan 4, 2023 | Abandoned |
Array
(
[id] => 19833825
[patent_doc_number] => 20250085611
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-13
[patent_title] => LENS DRIVING DEVICE AND CAMERA DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/726873
[patent_app_country] => US
[patent_app_date] => 2023-01-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 25441
[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] => 18726873
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/726873 | LENS DRIVING DEVICE AND CAMERA DEVICE | Jan 1, 2023 | Pending |
Array
(
[id] => 18965428
[patent_doc_number] => 11899185
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-02-13
[patent_title] => Image capturing optical system, image capturing device and electronic device
[patent_app_type] => utility
[patent_app_number] => 18/091712
[patent_app_country] => US
[patent_app_date] => 2022-12-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 23
[patent_figures_cnt] => 23
[patent_no_of_words] => 13369
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 270
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18091712
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/091712 | Image capturing optical system, image capturing device and electronic device | Dec 29, 2022 | Issued |
Array
(
[id] => 18981543
[patent_doc_number] => 11906710
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-02-20
[patent_title] => Image capturing optical lens system
[patent_app_type] => utility
[patent_app_number] => 18/148539
[patent_app_country] => US
[patent_app_date] => 2022-12-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 23
[patent_figures_cnt] => 23
[patent_no_of_words] => 14477
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 206
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18148539
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/148539 | Image capturing optical lens system | Dec 29, 2022 | Issued |
Array
(
[id] => 18351988
[patent_doc_number] => 20230140099
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-05-04
[patent_title] => IMAGE CAPTURING LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND VEHICLE PHOTOGRAPHING TERMINAL
[patent_app_type] => utility
[patent_app_number] => 18/091339
[patent_app_country] => US
[patent_app_date] => 2022-12-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10118
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 266
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18091339
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/091339 | Image capturing lens assembly, image capturing device and vehicle photographing terminal | Dec 28, 2022 | Issued |
Array
(
[id] => 18810153
[patent_doc_number] => 20230384488
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-30
[patent_title] => LIGHT SOURCE OF 3D PRINTER, AND 3D PRINTER
[patent_app_type] => utility
[patent_app_number] => 18/087837
[patent_app_country] => US
[patent_app_date] => 2022-12-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8920
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[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] => 18087837
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/087837 | LIGHT SOURCE OF 3D PRINTER, AND 3D PRINTER | Dec 22, 2022 | Pending |
Array
(
[id] => 18453478
[patent_doc_number] => 20230194758
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-22
[patent_title] => PROJECTOR
[patent_app_type] => utility
[patent_app_number] => 18/085994
[patent_app_country] => US
[patent_app_date] => 2022-12-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 28997
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 42
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085994
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/085994 | Projector | Dec 20, 2022 | Issued |
Array
(
[id] => 19732237
[patent_doc_number] => 12210231
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-01-28
[patent_title] => Optical module and manufacturing method of optical module for optical communication
[patent_app_type] => utility
[patent_app_number] => 18/085634
[patent_app_country] => US
[patent_app_date] => 2022-12-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 9142
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 176
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085634
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/085634 | Optical module and manufacturing method of optical module for optical communication | Dec 20, 2022 | Issued |