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] => 18997278 [patent_doc_number] => 11914115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Optical imaging system [patent_app_type] => utility [patent_app_number] => 17/965278 [patent_app_country] => US [patent_app_date] => 2022-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8854 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17965278 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/965278
Optical imaging system Oct 12, 2022 Issued
Array ( [id] => 20174281 [patent_doc_number] => 12393025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Waveguide combiners having arrangements for image uniformity [patent_app_type] => utility [patent_app_number] => 18/045663 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045663
Waveguide combiners having arrangements for image uniformity Oct 10, 2022 Issued
Array ( [id] => 18150214 [patent_doc_number] => 20230024071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/961151 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 50519 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17961151 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/961151
Lens driving device, and camera module and optical device comprising same Oct 5, 2022 Issued
Array ( [id] => 19259160 [patent_doc_number] => 12019212 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Optical imaging lens [patent_app_type] => utility [patent_app_number] => 17/960829 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 77 [patent_no_of_words] => 9910 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17960829 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/960829
Optical imaging lens Oct 5, 2022 Issued
Array ( [id] => 18184290 [patent_doc_number] => 20230045020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => TRANSFER OBJECT [patent_app_type] => utility [patent_app_number] => 17/937779 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17937779 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937779
TRANSFER OBJECT Oct 3, 2022 Abandoned
Array ( [id] => 19084288 [patent_doc_number] => 20240111089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => NANOROD COATING BETWEEN TWO OPTICAL MEDIUMS [patent_app_type] => utility [patent_app_number] => 17/956750 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956750 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956750
NANOROD COATING BETWEEN TWO OPTICAL MEDIUMS Sep 28, 2022 Pending
Array ( [id] => 18598629 [patent_doc_number] => 20230273428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => Residual Aberration Controller For Adjustable Aesthetic Imaging in Imaging Optical Systems [patent_app_type] => utility [patent_app_number] => 17/950288 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17950288 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/950288
Residual aberration controller for adjustable aesthetic imaging in imaging optical systems Sep 21, 2022 Issued
Array ( [id] => 19498870 [patent_doc_number] => 20240337888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => PHOTON AND/OR PHOTOELECTRON DRIVEN FULL-COLOUR REFLECTIVE PASSIVE SCREEN [patent_app_type] => utility [patent_app_number] => 18/681679 [patent_app_country] => US [patent_app_date] => 2022-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18681679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/681679
PHOTON AND/OR PHOTOELECTRON DRIVEN FULL-COLOUR REFLECTIVE PASSIVE SCREEN Sep 11, 2022 Pending
Array ( [id] => 20221107 [patent_doc_number] => 20250284038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => VARIABLE-FOCUS-LENS CONTROL APPARATUS, OPHTHALMIC LENS APPARATUS, SPECTACLES, AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/689911 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18689911 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/689911
VARIABLE-FOCUS-LENS CONTROL APPARATUS, OPHTHALMIC LENS APPARATUS, SPECTACLES, AND CONTROL METHOD Sep 8, 2022 Pending
Array ( [id] => 18981698 [patent_doc_number] => 11906868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Obscuring bus bars in electrochromic glass structures [patent_app_type] => utility [patent_app_number] => 17/900886 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 16629 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [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] => 17900886 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/900886
Obscuring bus bars in electrochromic glass structures Aug 31, 2022 Issued
Array ( [id] => 19591074 [patent_doc_number] => 20240388631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => OCCUPANT-CENTERED PREDICTIVE CONTROL OF DEVICES IN FACILITIES [patent_app_type] => utility [patent_app_number] => 18/688561 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 73922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 1 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18688561 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/688561
OCCUPANT-CENTERED PREDICTIVE CONTROL OF DEVICES IN FACILITIES Aug 30, 2022 Pending
Array ( [id] => 20143783 [patent_doc_number] => 12378109 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Charge transfer circuitry for MEMS devices [patent_app_type] => utility [patent_app_number] => 17/896978 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 10941 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17896978 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/896978
Charge transfer circuitry for MEMS devices Aug 25, 2022 Issued
Array ( [id] => 18092917 [patent_doc_number] => 20220411258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => DISTANCE MEASUREMENT APPARATUS, ANGLE-OF-VIEW CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM [patent_app_type] => utility [patent_app_number] => 17/896257 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10029 [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] => 17896257 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/896257
DISTANCE MEASUREMENT APPARATUS, ANGLE-OF-VIEW CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM Aug 25, 2022 Abandoned
Array ( [id] => 20174298 [patent_doc_number] => 12393042 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Dual field of view optical system [patent_app_type] => utility [patent_app_number] => 17/890502 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 6625 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890502 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890502
Dual field of view optical system Aug 17, 2022 Issued
Array ( [id] => 20331060 [patent_doc_number] => 12461332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Projection apparatus, projection method, and control program [patent_app_type] => utility [patent_app_number] => 17/885100 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5577 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [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] => 17885100 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/885100
Projection apparatus, projection method, and control program Aug 9, 2022 Issued
Array ( [id] => 19122064 [patent_doc_number] => 11966041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Optical module [patent_app_type] => utility [patent_app_number] => 17/883954 [patent_app_country] => US [patent_app_date] => 2022-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5266 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17883954 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/883954
Optical module Aug 8, 2022 Issued
Array ( [id] => 18111132 [patent_doc_number] => 20230004012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => PACKAGING STRUCTURE OF HEAD MOUNTED TERMINAL AND HEAD MOUNTED TERMINAL [patent_app_type] => utility [patent_app_number] => 17/882944 [patent_app_country] => US [patent_app_date] => 2022-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17882944 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882944
Packaging structure of head mounted terminal and head mounted terminal Aug 7, 2022 Issued
Array ( [id] => 18933522 [patent_doc_number] => 11885941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Optical imaging system [patent_app_type] => utility [patent_app_number] => 17/881014 [patent_app_country] => US [patent_app_date] => 2022-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5405 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17881014 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/881014
Optical imaging system Aug 3, 2022 Issued
Array ( [id] => 18037998 [patent_doc_number] => 20220382214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => OPTICAL IDENTIFIER AND PRINTED MATTER [patent_app_type] => utility [patent_app_number] => 17/879005 [patent_app_country] => US [patent_app_date] => 2022-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17879005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/879005
Optical identifier and printed matter Aug 1, 2022 Issued
Array ( [id] => 18022157 [patent_doc_number] => 20220373656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => Increasing VCSEL projector spatial resolution [patent_app_type] => utility [patent_app_number] => 17/877955 [patent_app_country] => US [patent_app_date] => 2022-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6134 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17877955 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/877955
Increasing VCSEL projector spatial resolution Jul 30, 2022 Issued
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