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] => 20827754 [patent_doc_number] => 12681314 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Dual vision device and associated method [patent_app_type] => utility [patent_app_number] => 19/418558 [patent_app_country] => US [patent_app_date] => 2025-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1178 [patent_no_of_claims] => 15 [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] => 19418558 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/418558
Dual vision device and associated method Dec 11, 2025 Issued
Array ( [id] => 20221206 [patent_doc_number] => 20250284137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => REDUCING EFFECTS CAUSED BY FORMATION OF MULTIPLE FOCI IN A DEFORMABLE LENS DURING CHANGES OF APPLANATION OF SURFACES THEREOF [patent_app_type] => utility [patent_app_number] => 19/214782 [patent_app_country] => US [patent_app_date] => 2025-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19214782 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/214782
Reducing effects caused by formation of multiple foci in a deformable lens during changes of applanation of surfaces thereof May 20, 2025 Issued
Array ( [id] => 20214672 [patent_doc_number] => 12411321 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-09-09 [patent_title] => Large-aperture compact scanning tele cameras [patent_app_type] => utility [patent_app_number] => 19/204545 [patent_app_country] => US [patent_app_date] => 2025-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 43 [patent_no_of_words] => 8518 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19204545 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/204545
Large-aperture compact scanning tele cameras May 10, 2025 Issued
Array ( [id] => 20000065 [patent_doc_number] => 20250138287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => LARGE-APERTURE COMPACT SCANNING TELE CAMERAS [patent_app_type] => utility [patent_app_number] => 19/000742 [patent_app_country] => US [patent_app_date] => 2024-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19000742 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/000742
Large-aperture compact scanning tele cameras Dec 23, 2024 Issued
Array ( [id] => 19885279 [patent_doc_number] => 12270986 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Eyepiece optical system and head-mounted display device [patent_app_type] => utility [patent_app_number] => 18/972511 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7332 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18972511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/972511
Eyepiece optical system and head-mounted display device Dec 5, 2024 Issued
Array ( [id] => 20042695 [patent_doc_number] => 20250180917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => SYSTEMS AND METHODS FOR NEW VR DEVICE FORM-FACTOR [patent_app_type] => utility [patent_app_number] => 18/954418 [patent_app_country] => US [patent_app_date] => 2024-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18954418 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/954418
SYSTEMS AND METHODS FOR NEW VR DEVICE FORM-FACTOR Nov 19, 2024 Pending
Array ( [id] => 19756036 [patent_doc_number] => 20250044601 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => HAPTIC SYSTEMS FOR HEAD-WORN COMPUTERS [patent_app_type] => utility [patent_app_number] => 18/922237 [patent_app_country] => US [patent_app_date] => 2024-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18932 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18922237 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/922237
HAPTIC SYSTEMS FOR HEAD-WORN COMPUTERS Oct 20, 2024 Pending
Array ( [id] => 19747372 [patent_doc_number] => 20250035937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => PROJECTION SUBSTRATE AND METHOD FOR MANUFACTURING PROJECTION SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/917999 [patent_app_country] => US [patent_app_date] => 2024-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10028 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18917999 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/917999
PROJECTION SUBSTRATE AND METHOD FOR MANUFACTURING PROJECTION SUBSTRATE Oct 15, 2024 Pending
Array ( [id] => 19747330 [patent_doc_number] => 20250035895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => CAMERA MODULE AND PORTABLE TERMINAL [patent_app_type] => utility [patent_app_number] => 18/916213 [patent_app_country] => US [patent_app_date] => 2024-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18916213 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/916213
CAMERA MODULE AND PORTABLE TERMINAL Oct 14, 2024 Pending
Array ( [id] => 19694529 [patent_doc_number] => 20250013074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => MULTIPLE DEGREE OF FREEDOM HINGE SYSTEMS AND EYEWEAR DEVICES COMPRISING SUCH HINGE SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/896717 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18896717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/896717
MULTIPLE DEGREE OF FREEDOM HINGE SYSTEMS AND EYEWEAR DEVICES COMPRISING SUCH HINGE SYSTEMS Sep 24, 2024 Pending
Array ( [id] => 19697754 [patent_doc_number] => 20250016299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => METHOD AND SYSTEM FOR CONTINUOUS CALIBRATION OF A 3D DISPLAY BASED ON BEAM STEERING [patent_app_type] => utility [patent_app_number] => 18/892289 [patent_app_country] => US [patent_app_date] => 2024-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31003 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18892289 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/892289
METHOD AND SYSTEM FOR CONTINUOUS CALIBRATION OF A 3D DISPLAY BASED ON BEAM STEERING Sep 19, 2024 Pending
Array ( [id] => 19863988 [patent_doc_number] => 20250102774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => OPTICAL SYSTEM, LENS MODULE, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/891305 [patent_app_country] => US [patent_app_date] => 2024-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18891305 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/891305
OPTICAL SYSTEM, LENS MODULE, AND ELECTRONIC DEVICE Sep 19, 2024 Pending
Array ( [id] => 19694471 [patent_doc_number] => 20250013016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/891050 [patent_app_country] => US [patent_app_date] => 2024-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18891050 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/891050
OPTICAL IMAGING SYSTEM Sep 19, 2024 Pending
Array ( [id] => 19683183 [patent_doc_number] => 20250001728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => DEADFRONT ARTICLES WITH MULTI-LAYER OPTICAL STRUCTURES AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 18/883591 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883591
DEADFRONT ARTICLES WITH MULTI-LAYER OPTICAL STRUCTURES AND ASSOCIATED METHODS Sep 11, 2024 Pending
Array ( [id] => 19863974 [patent_doc_number] => 20250102760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => LASER DEVICE [patent_app_type] => utility [patent_app_number] => 18/826652 [patent_app_country] => US [patent_app_date] => 2024-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18826652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/826652
LASER DEVICE Sep 5, 2024 Pending
Array ( [id] => 19833718 [patent_doc_number] => 20250085504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => LENS BARREL [patent_app_type] => utility [patent_app_number] => 18/815828 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815828 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815828
LENS BARREL Aug 25, 2024 Pending
Array ( [id] => 20194955 [patent_doc_number] => 20250271665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => VEHICLE DISPLAY SYSTEM [patent_app_type] => utility [patent_app_number] => 18/812363 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 989 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18812363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812363
VEHICLE DISPLAY SYSTEM Aug 21, 2024 Pending
Array ( [id] => 19632748 [patent_doc_number] => 20240411197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => ORNAMENT WITH ELECTRONIC INK SCREEN [patent_app_type] => utility [patent_app_number] => 18/807934 [patent_app_country] => US [patent_app_date] => 2024-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18807934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/807934
ORNAMENT WITH ELECTRONIC INK SCREEN Aug 16, 2024 Abandoned
Array ( [id] => 20000050 [patent_doc_number] => 20250138272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => LENS MODULE [patent_app_type] => utility [patent_app_number] => 18/795329 [patent_app_country] => US [patent_app_date] => 2024-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18795329 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/795329
LENS MODULE Aug 5, 2024 Pending
Array ( [id] => 19753571 [patent_doc_number] => 20250042136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => MULTI-MATERIAL LAMINATION [patent_app_type] => utility [patent_app_number] => 18/792995 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18792995 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/792995
MULTI-MATERIAL LAMINATION Aug 1, 2024 Pending
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