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] => 19114416 [patent_doc_number] => 20240126166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => FREEFORM OPTICAL SUBSTRATES IN WAVEGUIDE DISPLAYS [patent_app_type] => utility [patent_app_number] => 18/398409 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18398409 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398409
Freeform optical substrates in waveguide displays Dec 27, 2023 Issued
Array ( [id] => 19302472 [patent_doc_number] => 20240231049 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => IMAGE CAPTURING OPTICAL SYSTEM, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/398546 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13401 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18398546 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398546
Image capturing optical system, image capturing device and electronic device Dec 27, 2023 Issued
Array ( [id] => 19668901 [patent_doc_number] => 12181642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Image capturing lens assembly, image capturing device and vehicle photographing terminal [patent_app_type] => utility [patent_app_number] => 18/399269 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10062 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18399269 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/399269
Image capturing lens assembly, image capturing device and vehicle photographing terminal Dec 27, 2023 Issued
Array ( [id] => 19302472 [patent_doc_number] => 20240231049 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => IMAGE CAPTURING OPTICAL SYSTEM, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/398546 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13401 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18398546 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398546
Image capturing optical system, image capturing device and electronic device Dec 27, 2023 Issued
Array ( [id] => 19266995 [patent_doc_number] => 20240210696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => LINE-OF-SIGHT DETECTION DEVICE AND HEAD MOUNTED DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/394713 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18394713 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/394713
Line-of-sight detection device and head mounted display device Dec 21, 2023 Issued
Array ( [id] => 19114299 [patent_doc_number] => 20240126049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/543741 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18543741 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543741
Optical imaging system Dec 17, 2023 Issued
Array ( [id] => 20537033 [patent_doc_number] => 12554105 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Optical imaging lens [patent_app_type] => utility [patent_app_number] => 18/537816 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 86 [patent_no_of_words] => 10310 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18537816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/537816
Optical imaging lens Dec 12, 2023 Issued
Array ( [id] => 20537032 [patent_doc_number] => 12554104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Optical lens assembly [patent_app_type] => utility [patent_app_number] => 18/534690 [patent_app_country] => US [patent_app_date] => 2023-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10888 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534690 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534690
Optical lens assembly Dec 9, 2023 Issued
Array ( [id] => 19052481 [patent_doc_number] => 20240094450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => STEPPED STRUCTURE OPTICAL FILTER [patent_app_type] => utility [patent_app_number] => 18/523975 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523975 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523975
Stepped structure optical filter Nov 29, 2023 Issued
Array ( [id] => 19035895 [patent_doc_number] => 20240085710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => SEE-THROUGH COMPUTER DISPLAY SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/518323 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 67108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18518323 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/518323
See-through computer display systems Nov 21, 2023 Issued
Array ( [id] => 19033994 [patent_doc_number] => 20240083809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => INTEGRATION OF ELECTROCHROMIC FILMS ON A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/512396 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512396
Integration of electrochromic films on a substrate Nov 16, 2023 Issued
Array ( [id] => 20594867 [patent_doc_number] => 12578578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Display device and method for driving the same [patent_app_type] => utility [patent_app_number] => 18/509503 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4731 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18509503 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/509503
Display device and method for driving the same Nov 14, 2023 Issued
Array ( [id] => 20493796 [patent_doc_number] => 12535664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Zoom lens, image pickup apparatus, and image pickup system [patent_app_type] => utility [patent_app_number] => 18/507143 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 22 [patent_no_of_words] => 4305 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507143 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507143
Zoom lens, image pickup apparatus, and image pickup system Nov 12, 2023 Issued
Array ( [id] => 19005268 [patent_doc_number] => 20240069339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => HEAD MOUNTED DISPLAY AND INFORMATION PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/505185 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505185 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505185
Head mounted display and information processing method Nov 8, 2023 Issued
Array ( [id] => 19021524 [patent_doc_number] => 20240077695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => Head-Mounted Electronic Device With Alignment Sensors [patent_app_type] => utility [patent_app_number] => 18/505895 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9855 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505895
Head-mounted electronic device with alignment sensors Nov 8, 2023 Issued
Array ( [id] => 19189340 [patent_doc_number] => 20240168253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => LENS BARREL AND CAMERA EQUIPPED WITH SAME [patent_app_type] => utility [patent_app_number] => 18/388477 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388477 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388477
Lens barrel and camera equipped with same Nov 8, 2023 Issued
Array ( [id] => 18989260 [patent_doc_number] => 20240061229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => MICROSCOPY SYSTEM AND METHOD USING AN IMMERSION LIQUID [patent_app_type] => utility [patent_app_number] => 18/384895 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18384895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/384895
Microscopy system and method using an immersion liquid Oct 29, 2023 Issued
Array ( [id] => 20850626 [patent_doc_number] => 12687657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-21 [patent_title] => Lens and overmold method of manufacture [patent_app_type] => utility [patent_app_number] => 18/381025 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2471 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381025
LENS AND OVERMOLD METHOD OF MANUFACTURE Oct 16, 2023 Issued
Array ( [id] => 18989293 [patent_doc_number] => 20240061262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => HAPTIC SYSTEMS FOR HEAD-WORN COMPUTERS [patent_app_type] => utility [patent_app_number] => 18/486963 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18486963 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486963
Haptic systems for head-worn computers Oct 12, 2023 Issued
Array ( [id] => 19924364 [patent_doc_number] => 12298644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Controlling transitions in optically switchable devices [patent_app_type] => utility [patent_app_number] => 18/486197 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 9598 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18486197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486197
Controlling transitions in optically switchable devices Oct 12, 2023 Issued
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