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] => 19786899 [patent_doc_number] => 20250060578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => Optical Data Insertion [patent_app_type] => utility [patent_app_number] => 18/609642 [patent_app_country] => US [patent_app_date] => 2024-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18609642 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/609642
Optical Data Insertion Mar 18, 2024 Pending
Array ( [id] => 19266959 [patent_doc_number] => 20240210660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/594695 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18594695 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594695
Optical imaging system Mar 3, 2024 Issued
Array ( [id] => 20913816 [patent_doc_number] => 12710659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-18 [patent_title] => See-through computer display systems [patent_app_type] => utility [patent_app_number] => 18/586309 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 219 [patent_figures_cnt] => 262 [patent_no_of_words] => 106002 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18586309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/586309
SEE-THROUGH COMPUTER DISPLAY SYSTEMS Feb 22, 2024 Pending
Array ( [id] => 19238880 [patent_doc_number] => 20240196076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => LENS MOVING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/582168 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582168
LENS MOVING APPARATUS Feb 19, 2024 Pending
Array ( [id] => 19235301 [patent_doc_number] => 20240192495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => OPTICAL CONFIGURATIONS FOR HEAD-WORN SEE-THROUGH DISPLAYS [patent_app_type] => utility [patent_app_number] => 18/444470 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18444470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444470
Optical configurations for head-worn see-through displays Feb 15, 2024 Issued
Array ( [id] => 19390860 [patent_doc_number] => 20240280730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => SYSTEMS AND METHODS FOR OPTICAL SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/444408 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18444408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444408
SYSTEMS AND METHODS FOR OPTICAL SYSTEMS Feb 15, 2024 Pending
Array ( [id] => 19197435 [patent_doc_number] => 11994667 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-28 [patent_title] => Eyepiece optical assembly, system and device [patent_app_type] => utility [patent_app_number] => 18/434086 [patent_app_country] => US [patent_app_date] => 2024-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 12833 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 481 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18434086 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/434086
Eyepiece optical assembly, system and device Feb 5, 2024 Issued
Array ( [id] => 20731490 [patent_doc_number] => 12638746 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Zoom lens [patent_app_type] => utility [patent_app_number] => 18/433737 [patent_app_country] => US [patent_app_date] => 2024-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 1148 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18433737 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/433737
Zoom lens Feb 5, 2024 Issued
Array ( [id] => 19924202 [patent_doc_number] => 12298482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Optical imaging system [patent_app_type] => utility [patent_app_number] => 18/433937 [patent_app_country] => US [patent_app_date] => 2024-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 647 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18433937 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/433937
Optical imaging system Feb 5, 2024 Issued
Array ( [id] => 19786918 [patent_doc_number] => 20250060597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/433195 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18433195 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/433195
ELECTRONIC DEVICE Feb 4, 2024 Pending
Array ( [id] => 20051542 [patent_doc_number] => 20250189764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => PHOTOGRAPHING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/433137 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18433137 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/433137
PHOTOGRAPHING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE Feb 4, 2024 Pending
Array ( [id] => 19187006 [patent_doc_number] => 20240165919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => DEADFRONT ARTICLES WITH MULTI-LAYER OPTICAL STRUCTURES AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 18/428610 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18428610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/428610
Deadfront articles with multi-layer optical structures and associated methods Jan 30, 2024 Issued
Array ( [id] => 19189441 [patent_doc_number] => 20240168354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => CONTROL METHOD FOR TINTABLE WINDOWS [patent_app_type] => utility [patent_app_number] => 18/429181 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23613 [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] => 18429181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429181
Control method for tintable windows Jan 30, 2024 Issued
Array ( [id] => 19924201 [patent_doc_number] => 12298481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Optical imaging system [patent_app_type] => utility [patent_app_number] => 18/418590 [patent_app_country] => US [patent_app_date] => 2024-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4979 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18418590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/418590
Optical imaging system Jan 21, 2024 Issued
Array ( [id] => 19228045 [patent_doc_number] => 12007679 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-11 [patent_title] => Macro-to-micro two-stage camera lens focusing device based on direct-drive air floatation platform [patent_app_type] => utility [patent_app_number] => 18/416925 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7090 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 609 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416925 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416925
Macro-to-micro two-stage camera lens focusing device based on direct-drive air floatation platform Jan 18, 2024 Issued
Array ( [id] => 20439941 [patent_doc_number] => 12510775 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Semiconductor optical device [patent_app_type] => utility [patent_app_number] => 18/411429 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 1131 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18411429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/411429
Semiconductor optical device Jan 11, 2024 Issued
Array ( [id] => 20913836 [patent_doc_number] => 12710679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-18 [patent_title] => Display panel and display device [patent_app_type] => utility [patent_app_number] => 18/410442 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 7875 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410442
DISPLAY PANEL AND DISPLAY DEVICE Jan 10, 2024 Pending
Array ( [id] => 19702906 [patent_doc_number] => 12196927 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Image capturing optical lens system [patent_app_type] => utility [patent_app_number] => 18/408679 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 14565 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408679
Image capturing optical lens system Jan 9, 2024 Issued
Array ( [id] => 19362471 [patent_doc_number] => 20240264505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => OBSCURING BUS BARS IN ELECTROCHROMIC GLASS STRUCTURES [patent_app_type] => utility [patent_app_number] => 18/404667 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18404667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/404667
Obscuring bus bars in electrochromic glass structures Jan 3, 2024 Issued
Array ( [id] => 19732267 [patent_doc_number] => 12210261 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Control method for tintable windows [patent_app_type] => utility [patent_app_number] => 18/404661 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 50 [patent_figures_cnt] => 54 [patent_no_of_words] => 35880 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18404661 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/404661
Control method for tintable windows Jan 3, 2024 Issued
Menu