Search

William C. Choi

Examiner (ID: 15084, Phone: (571)272-2324 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2873
Total Applications
2412
Issued Applications
2216
Pending Applications
104
Abandoned Applications
131

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18629805 [patent_doc_number] => 20230288694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => DISTURBANCE REJECTION FOR LASER BEAM SCANNING DISPLAY [patent_app_type] => utility [patent_app_number] => 18/198029 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18198029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/198029
Disturbance rejection for laser beam scanning display May 15, 2023 Issued
Array ( [id] => 20316947 [patent_doc_number] => 12455497 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Camera module [patent_app_type] => utility [patent_app_number] => 18/198131 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2342 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18198131 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/198131
Camera module May 15, 2023 Issued
Array ( [id] => 20344455 [patent_doc_number] => 12468183 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Dimmable window systems and methods [patent_app_type] => utility [patent_app_number] => 18/314021 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 2345 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18314021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/314021
Dimmable window systems and methods May 7, 2023 Issued
Array ( [id] => 18598610 [patent_doc_number] => 20230273409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/313514 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18313514 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313514
Optical imaging system May 7, 2023 Issued
Array ( [id] => 18755614 [patent_doc_number] => 20230359054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => TRANSMITTING-RECEIVING COAXIAL LASER RANGING DEVICE AND OPTICAL MODULE [patent_app_type] => utility [patent_app_number] => 18/143102 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143102
Transmitting-receiving coaxial laser ranging device and optical module May 3, 2023 Issued
Array ( [id] => 18584304 [patent_doc_number] => 20230266567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => IMAGE PICKING-UP SYSTEM, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/310603 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18310603 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310603
Image picking-up system, image capturing apparatus and electronic device May 1, 2023 Issued
Array ( [id] => 19529722 [patent_doc_number] => 20240353624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => MULTICOATED TUNABLE OPTICAL DEVICES [patent_app_type] => utility [patent_app_number] => 18/305572 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305572 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305572
Multicoated tunable optical devices Apr 23, 2023 Issued
Array ( [id] => 20550062 [patent_doc_number] => 12560849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Optical component and light control film including same [patent_app_type] => utility [patent_app_number] => 18/303643 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6726 [patent_no_of_claims] => 16 [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] => 18303643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/303643
Optical component and light control film including same Apr 19, 2023 Issued
Array ( [id] => 19710797 [patent_doc_number] => 20250020939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => COHERENT BEAM COMBINATION SYSTEM AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/571497 [patent_app_country] => US [patent_app_date] => 2023-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 319 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18571497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/571497
COHERENT BEAM COMBINATION SYSTEM AND CONTROL METHOD THEREOF Apr 4, 2023 Pending
Array ( [id] => 19319800 [patent_doc_number] => 20240241344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => IMAGING LENS [patent_app_type] => utility [patent_app_number] => 18/295693 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7404 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18295693 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295693
Imaging lens Apr 3, 2023 Issued
Array ( [id] => 20550071 [patent_doc_number] => 12560858 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Adjustment device and electronic apparatus system [patent_app_type] => utility [patent_app_number] => 18/193081 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4592 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18193081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/193081
Adjustment device and electronic apparatus system Mar 29, 2023 Issued
Array ( [id] => 20159568 [patent_doc_number] => 12386190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Multi-function metasurface beam splitter [patent_app_type] => utility [patent_app_number] => 18/190458 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190458 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190458
Multi-function metasurface beam splitter Mar 26, 2023 Issued
Array ( [id] => 20174336 [patent_doc_number] => 12393080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Image output panel and head-up display [patent_app_type] => utility [patent_app_number] => 18/185411 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 7116 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18185411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185411
Image output panel and head-up display Mar 16, 2023 Issued
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] => 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] => 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
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