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] => 17408419 [patent_doc_number] => 11249298 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-02-15 [patent_title] => Talon and perch binocular mounting system [patent_app_type] => utility [patent_app_number] => 17/486465 [patent_app_country] => US [patent_app_date] => 2021-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 4334 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17486465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/486465
Talon and perch binocular mounting system Sep 26, 2021 Issued
Array ( [id] => 17337742 [patent_doc_number] => 20220004073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => REFLECTIVE ELECTROPHORETIC DISPLAYS INCLUDING PHOTO-LUMINESCENT MATERIAL AND COLOR FILTER ARRAYS [patent_app_type] => utility [patent_app_number] => 17/461078 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17461078 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/461078
Reflective electrophoretic displays including photo-luminescent material and color filter arrays Sep 23, 2021 Issued
Array ( [id] => 19718558 [patent_doc_number] => 12204092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Integrated electronic module including two micromirrors, and system including the electronic module [patent_app_type] => utility [patent_app_number] => 17/480634 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 6261 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17480634 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480634
Integrated electronic module including two micromirrors, and system including the electronic module Sep 20, 2021 Issued
Array ( [id] => 18251117 [patent_doc_number] => 20230078156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => MICROELECTROMECHANICAL SYSTEMS CONTACT AREA REDUCTION [patent_app_type] => utility [patent_app_number] => 17/472947 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17472947 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/472947
Microelectromechanical systems contact area reduction Sep 12, 2021 Issued
Array ( [id] => 17304990 [patent_doc_number] => 20210400829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => Electronic Device Housing, Preparation Method Therefor and Electronic Device Therewith [patent_app_type] => utility [patent_app_number] => 17/467897 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17467897 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/467897
Electronic Device Housing, Preparation Method Therefor and Electronic Device Therewith Sep 6, 2021 Abandoned
Array ( [id] => 17301221 [patent_doc_number] => 20210397060 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => CONTROLLING TRANSITIONS IN OPTICALLY SWITCHABLE DEVICES [patent_app_type] => utility [patent_app_number] => 17/446641 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 17446641 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/446641
Controlling transitions in optically switchable devices Aug 31, 2021 Issued
Array ( [id] => 17432957 [patent_doc_number] => 20220060667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => SPATIAL LIGHT MODULATOR [patent_app_type] => utility [patent_app_number] => 17/408012 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17408012 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/408012
Spatial light modulator Aug 19, 2021 Issued
Array ( [id] => 17260295 [patent_doc_number] => 20210373280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => LENS DRIVING DEVICE [patent_app_type] => utility [patent_app_number] => 17/445052 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17445052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/445052
Lens driving device Aug 12, 2021 Issued
Array ( [id] => 19652592 [patent_doc_number] => 12174373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Head up display system and vehicle [patent_app_type] => utility [patent_app_number] => 17/401377 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 7974 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17401377 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/401377
Head up display system and vehicle Aug 12, 2021 Issued
Array ( [id] => 17415397 [patent_doc_number] => 20220050301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => Light Modulator and its Modulation Method [patent_app_type] => utility [patent_app_number] => 17/399065 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17399065 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/399065
Light modulator and its modulation method Aug 10, 2021 Issued
Array ( [id] => 17244994 [patent_doc_number] => 20210364737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => IMAGING LENS COMPOSED OF FIVE OPTICAL ELEMENTS [patent_app_type] => utility [patent_app_number] => 17/392714 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17392714 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/392714
Imaging lens composed of five optical elements Aug 2, 2021 Issued
Array ( [id] => 18949354 [patent_doc_number] => 11892644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => See-through computer display systems [patent_app_type] => utility [patent_app_number] => 17/389174 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 155 [patent_figures_cnt] => 170 [patent_no_of_words] => 67121 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17389174 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/389174
See-through computer display systems Jul 28, 2021 Issued
Array ( [id] => 17354834 [patent_doc_number] => 20220015630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => EYE IMAGING IN HEAD WORN COMPUTING [patent_app_type] => utility [patent_app_number] => 17/443809 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33715 [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] => 17443809 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/443809
Eye imaging in head worn computing Jul 26, 2021 Issued
Array ( [id] => 17853410 [patent_doc_number] => 20220283452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => Optical Cavity Devices Using Stacked Multi-Quantum Wells [patent_app_type] => utility [patent_app_number] => 17/382069 [patent_app_country] => US [patent_app_date] => 2021-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17382069 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/382069
Optical Cavity Devices Using Stacked Multi-Quantum Wells Jul 20, 2021 Abandoned
Array ( [id] => 17214349 [patent_doc_number] => 20210347686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => INTEGRATION OF ELECTROCHROMIC FILMS ON A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 17/380420 [patent_app_country] => US [patent_app_date] => 2021-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17380420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/380420
Integration of electrochromic films on a substrate Jul 19, 2021 Issued
Array ( [id] => 17337641 [patent_doc_number] => 20220003972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => OPTICAL IMAGING LENS [patent_app_type] => utility [patent_app_number] => 17/378791 [patent_app_country] => US [patent_app_date] => 2021-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17378791 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/378791
Optical imaging lens Jul 18, 2021 Issued
Array ( [id] => 17337640 [patent_doc_number] => 20220003971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => OPTICAL IMAGING LENS [patent_app_type] => utility [patent_app_number] => 17/377388 [patent_app_country] => US [patent_app_date] => 2021-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17377388 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/377388
Optical imaging lens Jul 15, 2021 Issued
Array ( [id] => 18689566 [patent_doc_number] => 11785322 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Forming combined image by imaging system with rotatable reflector [patent_app_type] => utility [patent_app_number] => 17/374295 [patent_app_country] => US [patent_app_date] => 2021-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 14807 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17374295 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/374295
Forming combined image by imaging system with rotatable reflector Jul 12, 2021 Issued
Array ( [id] => 18414392 [patent_doc_number] => 11668930 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-06 [patent_title] => Optical hyperfocal reflective systems and methods, and augmented reality and/or virtual reality displays incorporating same [patent_app_type] => utility [patent_app_number] => 17/373329 [patent_app_country] => US [patent_app_date] => 2021-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 53 [patent_no_of_words] => 38422 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17373329 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/373329
Optical hyperfocal reflective systems and methods, and augmented reality and/or virtual reality displays incorporating same Jul 11, 2021 Issued
Array ( [id] => 17172084 [patent_doc_number] => 20210325754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => CONTROL METHOD FOR TINTABLE WINDOWS [patent_app_type] => utility [patent_app_number] => 17/305132 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [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] => 17305132 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/305132
Control method for tintable windows Jun 29, 2021 Issued
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