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] => 18079005 [patent_doc_number] => 20220404617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => HEAD-UP DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/752315 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752315
Head-up display device May 23, 2022 Issued
Array ( [id] => 19014354 [patent_doc_number] => 11921281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Attachment device for an eyepiece or an objective lens of a long-range optical device [patent_app_type] => utility [patent_app_number] => 17/743890 [patent_app_country] => US [patent_app_date] => 2022-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 5600 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17743890 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/743890
Attachment device for an eyepiece or an objective lens of a long-range optical device May 12, 2022 Issued
Array ( [id] => 17831739 [patent_doc_number] => 20220269043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => IMAGING LENS SET WITH PLASTIC LENS ELEMENT, IMAGING LENS MODULE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/743495 [patent_app_country] => US [patent_app_date] => 2022-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17743495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/743495
Imaging lens set with plastic lens element, imaging lens module and electronic device May 12, 2022 Issued
Array ( [id] => 18037850 [patent_doc_number] => 20220382066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/742713 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17742713 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/742713
Display device May 11, 2022 Issued
Array ( [id] => 17969655 [patent_doc_number] => 11487184 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-01 [patent_title] => Integrated driver and self-test control circuitry in tunable optical devices [patent_app_type] => utility [patent_app_number] => 17/742387 [patent_app_country] => US [patent_app_date] => 2022-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 40 [patent_no_of_words] => 12120 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [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] => 17742387 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/742387
Integrated driver and self-test control circuitry in tunable optical devices May 10, 2022 Issued
Array ( [id] => 18772313 [patent_doc_number] => 20230367137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => EYEWEAR WITH A SHAPE MEMORY ALLOY ACTUATOR [patent_app_type] => utility [patent_app_number] => 17/740668 [patent_app_country] => US [patent_app_date] => 2022-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10241 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17740668 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/740668
Eyewear with a shape memory alloy actuator May 9, 2022 Issued
Array ( [id] => 18486490 [patent_doc_number] => 20230213834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => PROTECTIVE FILM STRUCTURE AND E-PAPER DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/733844 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17733844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/733844
PROTECTIVE FILM STRUCTURE AND E-PAPER DISPLAY DEVICE Apr 28, 2022 Abandoned
Array ( [id] => 20866611 [patent_doc_number] => 12693499 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-28 [patent_title] => Imaging lens system, camera module, in-vehicle system, vehicle [patent_app_type] => utility [patent_app_number] => 18/570660 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 3344 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18570660 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/570660
IMAGING LENS SYSTEM, CAMERA MODULE, IN-VEHICLE SYSTEM, VEHICLE Apr 27, 2022 Issued
Array ( [id] => 19333888 [patent_doc_number] => 20240248318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => MULTI-SENSOR SYSTEM HAVING AN OPTICAL BEAM SPLITTER [patent_app_type] => utility [patent_app_number] => 18/290400 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18290400 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/290400
Multi-sensor system having an optical beam splitter Apr 26, 2022 Issued
Array ( [id] => 19219422 [patent_doc_number] => 20240184126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => DEVICE FOR PRODUCING A POLYCHROMATIC LIGHT BEAM BY COMBINING A PLURALITY OF INDIVIDUAL LIGHT BEAMS [patent_app_type] => utility [patent_app_number] => 18/556568 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18556568 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/556568
Device for producing a polychromatic light beam by combining a plurality of individual light beams Apr 13, 2022 Issued
Array ( [id] => 19970952 [patent_doc_number] => 12339558 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Array substrate and display device [patent_app_type] => utility [patent_app_number] => 17/719381 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 2305 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17719381 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/719381
Array substrate and display device Apr 12, 2022 Issued
Array ( [id] => 20687054 [patent_doc_number] => 12617186 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Method for electrically controlling a functional element embedded in a glazing unit [patent_app_type] => utility [patent_app_number] => 18/549781 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18549781 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549781
Method for electrically controlling a functional element embedded in a glazing unit Apr 12, 2022 Issued
Array ( [id] => 17991618 [patent_doc_number] => 20220357655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => FREEFORM OPTICAL SUBSTRATES IN WAVEGUIDE DISPLAYS [patent_app_type] => utility [patent_app_number] => 17/655583 [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] => 5540 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17655583 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/655583
Freeform optical substrates in waveguide displays Mar 20, 2022 Issued
Array ( [id] => 18629172 [patent_doc_number] => 20230288052 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => REFRIGERATING APPLIANCE LIGHTING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/692468 [patent_app_country] => US [patent_app_date] => 2022-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17692468 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/692468
Refrigerating appliance lighting system Mar 10, 2022 Issued
Array ( [id] => 17690046 [patent_doc_number] => 20220197339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => SCREEN ASSEMBLY OF ELECTRONIC DEVICE, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/691773 [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] => 4337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691773 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691773
SCREEN ASSEMBLY OF ELECTRONIC DEVICE, AND ELECTRONIC DEVICE Mar 9, 2022 Abandoned
Array ( [id] => 20789734 [patent_doc_number] => 12663647 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Metalens stack on waveguide combiners for AR/VR glasses [patent_app_type] => utility [patent_app_number] => 18/280901 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18280901 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280901
Metalens stack on waveguide combiners for AR/VR glasses Mar 6, 2022 Issued
Array ( [id] => 20026607 [patent_doc_number] => 20250164829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => A HYBRID SILICON PHOTONICS MODULATOR AND METHOD TO MANUFACTURE THE SAME [patent_app_type] => utility [patent_app_number] => 18/833564 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2293 [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] => 18833564 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/833564
A HYBRID SILICON PHOTONICS MODULATOR AND METHOD TO MANUFACTURE THE SAME Mar 3, 2022 Pending
Array ( [id] => 20506815 [patent_doc_number] => 12541090 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Photo-magnetically actuated deformable mirror [patent_app_type] => utility [patent_app_number] => 18/549086 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 1230 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18549086 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549086
Photo-magnetically actuated deformable mirror Mar 2, 2022 Issued
Array ( [id] => 20789735 [patent_doc_number] => 12663648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Wavefront manipulator for a head-up display, optical arrangement, and head-up display [patent_app_type] => utility [patent_app_number] => 18/282217 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 1061 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18282217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/282217
Wavefront manipulator for a head-up display, optical arrangement, and head-up display Feb 14, 2022 Issued
Array ( [id] => 19498812 [patent_doc_number] => 20240337830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/294181 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18294181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/294181
DISPLAY APPARATUS Feb 8, 2022 Pending
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