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] => 19292918 [patent_doc_number] => 12032270 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Tunable dielectric metasurface for beam steering [patent_app_type] => utility [patent_app_number] => 17/876656 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 6213 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17876656 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/876656
Tunable dielectric metasurface for beam steering Jul 28, 2022 Issued
Array ( [id] => 18148950 [patent_doc_number] => 20230022807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => Dual-Layer Micro-ribbon MEMS Light Modulator [patent_app_type] => utility [patent_app_number] => 17/872777 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11245 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17872777 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872777
Dual-layer micro-ribbon MEMS light modulator Jul 24, 2022 Issued
Array ( [id] => 20331090 [patent_doc_number] => 12461362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Optical module and optical device [patent_app_type] => utility [patent_app_number] => 17/814390 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 2236 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814390
Optical module and optical device Jul 21, 2022 Issued
Array ( [id] => 19292801 [patent_doc_number] => 12032151 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Night vision system [patent_app_type] => utility [patent_app_number] => 17/866314 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 2849 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866314 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866314
Night vision system Jul 14, 2022 Issued
Array ( [id] => 19182351 [patent_doc_number] => 11988936 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => Electrochromic devices having reduced switching times and their methods of manufacture [patent_app_type] => utility [patent_app_number] => 17/862616 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7385 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17862616 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/862616
Electrochromic devices having reduced switching times and their methods of manufacture Jul 11, 2022 Issued
Array ( [id] => 19355255 [patent_doc_number] => 12055691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Imaging lens and electronic apparatus having the same [patent_app_type] => utility [patent_app_number] => 17/861478 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 32 [patent_no_of_words] => 4309 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861478
Imaging lens and electronic apparatus having the same Jul 10, 2022 Issued
Array ( [id] => 19362393 [patent_doc_number] => 20240264427 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => TERAHERTZ CARRIER-ENVELOPE PHASE SHIFTER [patent_app_type] => utility [patent_app_number] => 18/577612 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18577612 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/577612
Terahertz carrier-envelope phase shifter Jul 7, 2022 Issued
Array ( [id] => 19827365 [patent_doc_number] => 12248139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Decentered lens light beam steering [patent_app_type] => utility [patent_app_number] => 17/860813 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 44 [patent_no_of_words] => 28551 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17860813 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860813
Decentered lens light beam steering Jul 7, 2022 Issued
Array ( [id] => 19513674 [patent_doc_number] => 20240345360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => HYBRID ACTUATOR FOR ZOOM DRIVING [patent_app_type] => utility [patent_app_number] => 18/294615 [patent_app_country] => US [patent_app_date] => 2022-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6652 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18294615 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/294615
Hybrid actuator for zoom driving Jul 3, 2022 Issued
Array ( [id] => 18613868 [patent_doc_number] => 20230280604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => SEMICONDUCTOR OPTICAL DEVICE [patent_app_type] => utility [patent_app_number] => 17/809716 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809716 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809716
Semiconductor optical device Jun 28, 2022 Issued
Array ( [id] => 19243186 [patent_doc_number] => 12013621 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-18 [patent_title] => Electrochromic devices with patterned electrically conductive layers [patent_app_type] => utility [patent_app_number] => 17/846726 [patent_app_country] => US [patent_app_date] => 2022-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 31 [patent_no_of_words] => 19554 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17846726 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/846726
Electrochromic devices with patterned electrically conductive layers Jun 21, 2022 Issued
Array ( [id] => 17915154 [patent_doc_number] => 20220317550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => MULTI-INPUT FOLDED CAMERA AND MOBILE DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/845317 [patent_app_country] => US [patent_app_date] => 2022-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7198 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17845317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/845317
Multi-input folded camera and mobile device including the same Jun 20, 2022 Issued
Array ( [id] => 18787494 [patent_doc_number] => 20230375815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => PORTABLE CONFOCAL OPTICAL SCANNING MICROSCOPIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/844759 [patent_app_country] => US [patent_app_date] => 2022-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3385 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17844759 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/844759
Portable confocal optical scanning microscopic device Jun 20, 2022 Issued
Array ( [id] => 20188232 [patent_doc_number] => 12399342 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Systems and methods for motorized adjustment of objective lens correction collar [patent_app_type] => utility [patent_app_number] => 17/843797 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 2278 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843797 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843797
Systems and methods for motorized adjustment of objective lens correction collar Jun 16, 2022 Issued
Array ( [id] => 19390949 [patent_doc_number] => 20240280819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => LAMINATED GLAZING FOR HEAD-UP DISPLAY [patent_app_type] => utility [patent_app_number] => 18/571573 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18571573 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/571573
LAMINATED GLAZING FOR HEAD-UP DISPLAY Jun 16, 2022 Pending
Array ( [id] => 17915062 [patent_doc_number] => 20220317458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => OPTICAL CONFIGURATIONS FOR HEAD-WORN SEE-THROUGH DISPLAYS [patent_app_type] => utility [patent_app_number] => 17/843459 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843459 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843459
Optical configurations for head-worn see-through displays Jun 16, 2022 Issued
Array ( [id] => 19390948 [patent_doc_number] => 20240280818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => HEAD-MOUNTABLE DEVICES WITH CONNECTABLE LENS ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 18/570051 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18570051 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/570051
Head-mountable devices with connectable lens assemblies Jun 13, 2022 Issued
Array ( [id] => 19391003 [patent_doc_number] => 20240280873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => A METHOD AND DEVICE FOR PRESSING AGAINST EACH OTHER TWO OPHTHALMIC LENSES IN ORDER TO BUILD AN ELECTROCHROMIC CELL [patent_app_type] => utility [patent_app_number] => 18/570770 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18570770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/570770
A METHOD AND DEVICE FOR PRESSING AGAINST EACH OTHER TWO OPHTHALMIC LENSES IN ORDER TO BUILD AN ELECTROCHROMIC CELL Jun 13, 2022 Pending
Array ( [id] => 20042713 [patent_doc_number] => 20250180935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => SEMICONDUCTOR OPTICAL MODULATOR [patent_app_type] => utility [patent_app_number] => 18/843881 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18843881 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/843881
SEMICONDUCTOR OPTICAL MODULATOR May 31, 2022 Pending
Array ( [id] => 19405189 [patent_doc_number] => 20240288700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Head-up Display With Constant Orientation of the Virtual Image Plane in the Event of Eye-Box Adjustment [patent_app_type] => utility [patent_app_number] => 18/571766 [patent_app_country] => US [patent_app_date] => 2022-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18571766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/571766
Head-up Display With Constant Orientation of the Virtual Image Plane in the Event of Eye-Box Adjustment May 24, 2022 Pending
Menu