Search

William C. Choi

Examiner (ID: 6249, Phone: (571)272-2324 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2873
Total Applications
2397
Issued Applications
2201
Pending Applications
111
Abandoned Applications
131

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 19204215 [patent_doc_number] => 20240176114 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18537816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/537816
OPTICAL IMAGING LENS Dec 12, 2023 Pending
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] => 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] => 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] => 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] => 19405182 [patent_doc_number] => 20240288693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 Pending
Array ( [id] => 19235280 [patent_doc_number] => 20240192474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 Pending
Array ( [id] => 19235280 [patent_doc_number] => 20240192474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 Pending
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 Pending
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] => 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] => 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 Pending
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 Pending
Array ( [id] => 19985200 [patent_doc_number] => 20250123422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18381025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381025
LENS AND OVERMOLD METHOD OF MANUFACTURE Oct 16, 2023 Pending
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
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] => 18956856 [patent_doc_number] => 20240045183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => CAMERA MODULE AND PORTABLE TERMINAL [patent_app_type] => utility [patent_app_number] => 18/485627 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9544 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18485627 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/485627
Camera module and portable terminal Oct 11, 2023 Issued
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