William C. Choi

Array ( [id] => 20214673 [patent_doc_number] => 12411322 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Lens and optical system device [patent_app_type] => utility [patent_app_number] => 17/916061 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17916061 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17143355 [patent_doc_number] => 20210311368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => OPTICAL SCANNING APPARATUS, IMAGE PICKUP APPARATUS, ADJUSTMENT APPARATUS FOR OPTICAL SCANNING APPARATUS, AND METHOD FOR ADJUSTING OPTICAL SCANNING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/211143 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211143 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18855366 [patent_doc_number] => 11852943 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Electrochromic device and preparation method therefor, and electronic equipment [patent_app_type] => utility [patent_app_number] => 17/210084 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 10061 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17210084 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19734839 [patent_doc_number] => 12212853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Ultra-wide field-of-view flat optics [patent_app_type] => utility [patent_app_number] => 17/209496 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 40 [patent_no_of_words] => 10563 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17209496 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17094038 [patent_doc_number] => 11122242 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-14 [patent_title] => Imaging device [patent_app_type] => utility [patent_app_number] => 17/207715 [patent_app_country] => US [patent_app_date] => 2021-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 22385 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17207715 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17113496 [patent_doc_number] => 20210294093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => ACTIVE MATRIX PROGRAMMABLE MIRROR [patent_app_type] => utility [patent_app_number] => 17/207433 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17207433 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18949374 [patent_doc_number] => 11892664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Stepped structure optical filter [patent_app_type] => utility [patent_app_number] => 17/249872 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 7067 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17249872 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18872640 [patent_doc_number] => 11860439 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Head-mounted electronic device with alignment sensors [patent_app_type] => utility [patent_app_number] => 17/202198 [patent_app_country] => US [patent_app_date] => 2021-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 9839 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17202198 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18173723 [patent_doc_number] => 11573427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Method of adjusting an image mask [patent_app_type] => utility [patent_app_number] => 17/196512 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3403 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17196512 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18702825 [patent_doc_number] => 11789333 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => System and method for temporal dispersion compensator [patent_app_type] => utility [patent_app_number] => 17/188656 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 8616 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17188656 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19702927 [patent_doc_number] => 12196948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Electrostatic comb drive-based silicon-based MEMS optical switch and N x N array [patent_app_type] => utility [patent_app_number] => 17/795540 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 7822 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 17795540 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17429901 [patent_doc_number] => 20220057610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => CAMERA MODULE AND PORTABLE TERMINAL [patent_app_type] => utility [patent_app_number] => 17/177338 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17177338 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17038520 [patent_doc_number] => 20210255479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => MULTIPLE DEGREE OF FREEDOM HINGE SYSTEMS AND EYEWEAR DEVICES COMPRISING SUCH HINGE SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/177400 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17177400 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18863689 [patent_doc_number] => 20230418125 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2023-12-28 [patent_title] => Novel Electrochromic Materials, Devices And Applications Of The Same [patent_app_type] => utility [patent_app_number] => 17/175877 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37902 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17175877 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18863689 [patent_doc_number] => 20230418125 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2023-12-28 [patent_title] => Novel Electrochromic Materials, Devices And Applications Of The Same [patent_app_type] => utility [patent_app_number] => 17/175877 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37902 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17175877 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18561068 [patent_doc_number] => 11726310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Meta optical device and electronic apparatus including the same [patent_app_type] => utility [patent_app_number] => 17/174703 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 37 [patent_no_of_words] => 12556 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17174703 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17270250 [patent_doc_number] => 11195678 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-12-07 [patent_title] => Magnetic switch adapter for night vision goggles [patent_app_type] => utility [patent_app_number] => 17/173002 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 45 [patent_figures_cnt] => 45 [patent_no_of_words] => 16818 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17173002 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18561150 [patent_doc_number] => 11726393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Reflection module and camera module including reflection module [patent_app_type] => utility [patent_app_number] => 17/171071 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 12728 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17171071 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16856361 [patent_doc_number] => 20210157106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => IMAGE CAPTURING LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND VEHICLE PHOTOGRAPHING TERMINAL [patent_app_type] => utility [patent_app_number] => 17/170655 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170655 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16871741 [patent_doc_number] => 20210165208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => ACTUATED POLYMER-BASED DIELECTRIC MIRRORS [patent_app_type] => utility [patent_app_number] => 17/161847 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12824 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17161847 [rel_patent_id] =>[rel_patent_doc_number] =>)