Search

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 numberTitle of the applicationFiling DateStatus
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
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