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] => 18247749 [patent_doc_number] => 11604329 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Optical element adjustment device and projector [patent_app_type] => utility [patent_app_number] => 17/151218 [patent_app_country] => US [patent_app_date] => 2021-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4612 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151218 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151218
Optical element adjustment device and projector Jan 17, 2021 Issued
Array ( [id] => 18244970 [patent_doc_number] => 20230077281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => LIGHT ROUTE CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/758837 [patent_app_country] => US [patent_app_date] => 2021-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17758837 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758837
Light route control member and display device comprising same Jan 11, 2021 Issued
Array ( [id] => 20609561 [patent_doc_number] => 12585161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Light route control member and display device comprising same [patent_app_type] => utility [patent_app_number] => 17/758618 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5797 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17758618 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758618
Light route control member and display device comprising same Jan 7, 2021 Issued
Array ( [id] => 16809823 [patent_doc_number] => 20210132378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => HEAD MOUNTED DISPLAY AND INFORMATION PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 17/144206 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3723 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17144206 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/144206
Head mounted display and information processing method Jan 7, 2021 Issued
Array ( [id] => 18234383 [patent_doc_number] => 11598938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Image capturing optical system, image capturing device and electronic device [patent_app_type] => utility [patent_app_number] => 17/143425 [patent_app_country] => US [patent_app_date] => 2021-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 13346 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17143425 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/143425
Image capturing optical system, image capturing device and electronic device Jan 6, 2021 Issued
Array ( [id] => 17038504 [patent_doc_number] => 20210255463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => Environmentally Isolated Waveguide Display [patent_app_type] => utility [patent_app_number] => 17/144000 [patent_app_country] => US [patent_app_date] => 2021-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17144000 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/144000
Environmentally isolated waveguide display Jan 6, 2021 Issued
Array ( [id] => 18370240 [patent_doc_number] => 11650409 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Seeing aid device having inductive battery charging [patent_app_type] => utility [patent_app_number] => 17/141053 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5190 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17141053 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/141053
Seeing aid device having inductive battery charging Jan 3, 2021 Issued
Array ( [id] => 16794336 [patent_doc_number] => 20210124153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => IMAGE CAPTURING OPTICAL LENS SYSTEM [patent_app_type] => utility [patent_app_number] => 17/140149 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14294 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17140149 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/140149
Image capturing optical lens system Jan 3, 2021 Issued
Array ( [id] => 16794358 [patent_doc_number] => 20210124175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => FOLDING-TYPE WEARABLE ELECTRONIC DEVICE WITH OPTICAL TRANSFERRING MEMBER FOR TRANSFERRING LIGHT TO TRANSPARENT MEMBER FROM PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/140193 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17140193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/140193
Folding-type wearable electronic device with optical transferring member for transferring light to transparent member from projector Jan 3, 2021 Issued
Array ( [id] => 18667830 [patent_doc_number] => 11774723 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Camera optical lens [patent_app_type] => utility [patent_app_number] => 17/134498 [patent_app_country] => US [patent_app_date] => 2020-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 8916 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 17134498 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/134498
Camera optical lens Dec 27, 2020 Issued
Array ( [id] => 16779588 [patent_doc_number] => 20210116667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => LENS AND LENS ASSEMBLY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/132620 [patent_app_country] => US [patent_app_date] => 2020-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17132620 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/132620
Lens and lens assembly including the same Dec 22, 2020 Issued
Array ( [id] => 17337637 [patent_doc_number] => 20220003968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => CAMERA OPTICAL LENS [patent_app_type] => utility [patent_app_number] => 17/129921 [patent_app_country] => US [patent_app_date] => 2020-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17129921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/129921
Camera optical lens Dec 21, 2020 Issued
Array ( [id] => 17687004 [patent_doc_number] => 20220194296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => Vehicle systems and methods for assistance drivers to reduce reflective light interference from rear sides [patent_app_type] => utility [patent_app_number] => 17/128026 [patent_app_country] => US [patent_app_date] => 2020-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17128026 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/128026
Vehicle systems and methods for assistance drivers to reduce reflective light interference from rear sides Dec 18, 2020 Abandoned
Array ( [id] => 18148418 [patent_doc_number] => 20230022275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => ADDITIVE MANUFACTURING OF METALENSES [patent_app_type] => utility [patent_app_number] => 17/778377 [patent_app_country] => US [patent_app_date] => 2020-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17778377 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/778377
ADDITIVE MANUFACTURING OF METALENSES Dec 17, 2020 Abandoned
Array ( [id] => 18046186 [patent_doc_number] => 11520136 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Hands-free adjustable magnifying lens holder and workstation [patent_app_type] => utility [patent_app_number] => 17/127535 [patent_app_country] => US [patent_app_date] => 2020-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 60 [patent_no_of_words] => 8779 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17127535 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/127535
Hands-free adjustable magnifying lens holder and workstation Dec 17, 2020 Issued
Array ( [id] => 20079046 [patent_doc_number] => 12353110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Control method, apparatus and equipment for electrochromic device, and storage medium [patent_app_type] => utility [patent_app_number] => 17/783257 [patent_app_country] => US [patent_app_date] => 2020-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 8824 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17783257 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/783257
Control method, apparatus and equipment for electrochromic device, and storage medium Dec 13, 2020 Issued
Array ( [id] => 17019533 [patent_doc_number] => 11089190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Forming combined image by imaging system with rotatable reflector [patent_app_type] => utility [patent_app_number] => 17/121315 [patent_app_country] => US [patent_app_date] => 2020-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 14783 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [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] => 17121315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/121315
Forming combined image by imaging system with rotatable reflector Dec 13, 2020 Issued
Array ( [id] => 18330357 [patent_doc_number] => 11635593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Optical imaging system [patent_app_type] => utility [patent_app_number] => 17/118990 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7089 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17118990 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/118990
Optical imaging system Dec 10, 2020 Issued
Array ( [id] => 17542490 [patent_doc_number] => 11307611 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Reflective display body [patent_app_type] => utility [patent_app_number] => 17/111699 [patent_app_country] => US [patent_app_date] => 2020-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 10654 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17111699 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/111699
Reflective display body Dec 3, 2020 Issued
Array ( [id] => 17518860 [patent_doc_number] => 20220104708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => MAGNIFYING GLASS FOR ACQUIRING SKIN IMAGE COMPENSATED FOR DISTORTION [patent_app_type] => utility [patent_app_number] => 17/109206 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6386 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17109206 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/109206
MAGNIFYING GLASS FOR ACQUIRING SKIN IMAGE COMPENSATED FOR DISTORTION Dec 1, 2020 Abandoned
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