Search

William C. Choi

Examiner (ID: 3782, Phone: (571)272-2324 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2873
Total Applications
2412
Issued Applications
2216
Pending Applications
104
Abandoned Applications
130

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19498812 [patent_doc_number] => 20240337830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/294181 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18294181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/294181
DISPLAY APPARATUS Feb 8, 2022 Pending
Array ( [id] => 17884306 [patent_doc_number] => 20220299783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => ATTACHMENT PRODUCING ANAMORPHIC EFFECT [patent_app_type] => utility [patent_app_number] => 17/590789 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8134 [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] => 17590789 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590789
Attachment producing anamorphic effect Jan 31, 2022 Issued
Array ( [id] => 17613338 [patent_doc_number] => 20220155618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => Diffractive Deep Neural Network (D2NN) Processing Using a Single Modulation Layer [patent_app_type] => utility [patent_app_number] => 17/587956 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17587956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587956
Diffractive deep neural network (D2NN) processing using a single modulation layer Jan 27, 2022 Issued
Array ( [id] => 18997323 [patent_doc_number] => 11914160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Augmented reality head-mounted display with a focus-supporting projector for pupil steering [patent_app_type] => utility [patent_app_number] => 17/584200 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 46 [patent_no_of_words] => 30758 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17584200 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/584200
Augmented reality head-mounted display with a focus-supporting projector for pupil steering Jan 24, 2022 Issued
Array ( [id] => 19949611 [patent_doc_number] => 12320972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Reducing effects caused by formation of multiple foci in a deformable lens during changes of applanation of surfaces thereof [patent_app_type] => utility [patent_app_number] => 18/273487 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 44 [patent_no_of_words] => 12686 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 965 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18273487 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273487
Reducing effects caused by formation of multiple foci in a deformable lens during changes of applanation of surfaces thereof Jan 19, 2022 Issued
Array ( [id] => 17580620 [patent_doc_number] => 20220137475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => DISPLAYS FOR TINTABLE WINDOWS [patent_app_type] => utility [patent_app_number] => 17/578226 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578226
Displays for tintable windows Jan 17, 2022 Issued
Array ( [id] => 17891891 [patent_doc_number] => 11454854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Displays for tintable windows [patent_app_type] => utility [patent_app_number] => 17/578218 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 57 [patent_no_of_words] => 23094 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578218 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578218
Displays for tintable windows Jan 17, 2022 Issued
Array ( [id] => 18030230 [patent_doc_number] => 11513412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Displays for tintable windows [patent_app_type] => utility [patent_app_number] => 17/578234 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 57 [patent_no_of_words] => 23116 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578234
Displays for tintable windows Jan 17, 2022 Issued
Array ( [id] => 17924217 [patent_doc_number] => 11467464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Displays for tintable windows [patent_app_type] => utility [patent_app_number] => 17/578196 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 57 [patent_no_of_words] => 23094 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [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] => 17578196 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578196
Displays for tintable windows Jan 17, 2022 Issued
Array ( [id] => 20623626 [patent_doc_number] => 12591132 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Methods and apparatuses for spatially filtering optical pulses [patent_app_type] => utility [patent_app_number] => 18/273478 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 13356 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18273478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273478
Methods and apparatuses for spatially filtering optical pulses Jan 11, 2022 Issued
Array ( [id] => 17721829 [patent_doc_number] => 20220214551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => Environmentally Isolated Waveguide Display [patent_app_type] => utility [patent_app_number] => 17/647818 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7386 [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] => 17647818 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647818
Environmentally isolated waveguide display Jan 11, 2022 Issued
Array ( [id] => 18498883 [patent_doc_number] => 20230221611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => Multi-Layer Polymorphic Dashboard [patent_app_type] => utility [patent_app_number] => 17/572902 [patent_app_country] => US [patent_app_date] => 2022-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17572902 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572902
Multi-Layer Polymorphic Dashboard Jan 10, 2022 Abandoned
Array ( [id] => 17721870 [patent_doc_number] => 20220214592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => CONTROL METHOD FOR TINTABLE WINDOWS [patent_app_type] => utility [patent_app_number] => 17/573509 [patent_app_country] => US [patent_app_date] => 2022-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17573509 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573509
CONTROL METHOD FOR TINTABLE WINDOWS Jan 10, 2022 Pending
Array ( [id] => 19436511 [patent_doc_number] => 20240305009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => BROADBAND WAVELENGTH PLATE DEVICE BASED ON OPTICAL PHASE MODULATION AND MANUFACTURING METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/272081 [patent_app_country] => US [patent_app_date] => 2022-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5706 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18272081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/272081
BROADBAND WAVELENGTH PLATE DEVICE BASED ON OPTICAL PHASE MODULATION AND MANUFACTURING METHOD THEREFOR Jan 6, 2022 Pending
Array ( [id] => 18981587 [patent_doc_number] => 11906754 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Ultra-fast electrical switching using optical path length differences [patent_app_type] => utility [patent_app_number] => 17/647045 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2095 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 17647045 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647045
Ultra-fast electrical switching using optical path length differences Jan 4, 2022 Issued
Array ( [id] => 17706118 [patent_doc_number] => 20220206124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => MULTIPLE-BEAM LIDAR USING A ZOOM LENS [patent_app_type] => utility [patent_app_number] => 17/646536 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17646536 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/646536
Multiple-beam lidar using a zoom lens Dec 29, 2021 Issued
Array ( [id] => 19956209 [patent_doc_number] => 12326621 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Method and system for generating a robust higher-order POINCARE sphere polarization state [patent_app_type] => utility [patent_app_number] => 18/011182 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6180 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 18011182 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011182
Method and system for generating a robust higher-order POINCARE sphere polarization state Dec 29, 2021 Issued
Array ( [id] => 18445563 [patent_doc_number] => 11681127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Optical imaging system [patent_app_type] => utility [patent_app_number] => 17/565685 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5245 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565685 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565685
Optical imaging system Dec 29, 2021 Issued
Array ( [id] => 20635373 [patent_doc_number] => 12596246 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-07 [patent_title] => Optical system and head mounted display [patent_app_type] => utility [patent_app_number] => 18/247047 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2104 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18247047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/247047
OPTICAL SYSTEM AND HEAD MOUNTED DISPLAY Dec 20, 2021 Pending
Array ( [id] => 17534910 [patent_doc_number] => 20220113519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => ZOOM LENS, ZOOM METHOD AND TERMINAL [patent_app_type] => utility [patent_app_number] => 17/557017 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10291 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557017 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557017
Zoom lens, zoom method and terminal Dec 19, 2021 Issued
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