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] => 16887015 [patent_doc_number] => 20210173211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => OPTICAL CONFIGURATIONS FOR HEAD-WORN SEE-THROUGH DISPLAYS [patent_app_type] => utility [patent_app_number] => 16/991992 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16991992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/991992
Optical configurations for head-worn see-through displays Aug 11, 2020 Issued
Array ( [id] => 16623112 [patent_doc_number] => 20210041765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => Aperture Stop for Camera with Folded Optics [patent_app_type] => utility [patent_app_number] => 16/984652 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17456 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16984652 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/984652
Aperture stop for camera with folded optics Aug 3, 2020 Issued
Array ( [id] => 18072158 [patent_doc_number] => 11530989 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Fluorescence imaging device [patent_app_type] => utility [patent_app_number] => 16/936439 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 9748 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16936439 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/936439
Fluorescence imaging device Jul 22, 2020 Issued
Array ( [id] => 16632604 [patent_doc_number] => 20210051258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => Stabilization Suspensions And Methods Of Manufacture [patent_app_type] => utility [patent_app_number] => 16/932624 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16932624 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/932624
Stabilization suspensions and methods of manufacture Jul 16, 2020 Issued
Array ( [id] => 16435970 [patent_doc_number] => 20200353295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => IN-MASK FEEDBACK SYSTEM [patent_app_type] => utility [patent_app_number] => 16/930184 [patent_app_country] => US [patent_app_date] => 2020-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6225 [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] => 16930184 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/930184
In-mask feedback system Jul 14, 2020 Issued
Array ( [id] => 16599598 [patent_doc_number] => 20210026129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => EYEPIECE LENS AND OPTICAL APPARATUS [patent_app_type] => utility [patent_app_number] => 16/927277 [patent_app_country] => US [patent_app_date] => 2020-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5133 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16927277 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/927277
Eyepiece lens and optical apparatus Jul 12, 2020 Issued
Array ( [id] => 18014579 [patent_doc_number] => 11506873 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Optical lens assembly with dual molded lens element and electronic device including same assembly [patent_app_type] => utility [patent_app_number] => 16/924444 [patent_app_country] => US [patent_app_date] => 2020-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 47 [patent_no_of_words] => 19040 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16924444 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/924444
Optical lens assembly with dual molded lens element and electronic device including same assembly Jul 8, 2020 Issued
Array ( [id] => 17809053 [patent_doc_number] => 20220260888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => LIQUID LENS CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 17/625614 [patent_app_country] => US [patent_app_date] => 2020-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17625614 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/625614
Liquid lens control apparatus Jul 6, 2020 Issued
Array ( [id] => 17337652 [patent_doc_number] => 20220003983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => DISTURBANCE REJECTION FOR LASER BEAM SCANNING DISPLAY [patent_app_type] => utility [patent_app_number] => 16/920631 [patent_app_country] => US [patent_app_date] => 2020-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16920631 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/920631
Disturbance rejection for laser beam scanning display Jul 2, 2020 Issued
Array ( [id] => 16392612 [patent_doc_number] => 20200333553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => LENS DRIVING MODULE [patent_app_type] => utility [patent_app_number] => 16/920068 [patent_app_country] => US [patent_app_date] => 2020-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16920068 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/920068
Lens driving module Jul 1, 2020 Issued
Array ( [id] => 19525042 [patent_doc_number] => 12126790 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Method and system for continuous calibration of a 3D display based on beam steering [patent_app_type] => utility [patent_app_number] => 17/623107 [patent_app_country] => US [patent_app_date] => 2020-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 44 [patent_no_of_words] => 30979 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17623107 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/623107
Method and system for continuous calibration of a 3D display based on beam steering Jun 28, 2020 Issued
Array ( [id] => 18356259 [patent_doc_number] => 11644657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Radiation delivery apparatus for microscope systems [patent_app_type] => utility [patent_app_number] => 16/911471 [patent_app_country] => US [patent_app_date] => 2020-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 7292 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16911471 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/911471
Radiation delivery apparatus for microscope systems Jun 24, 2020 Issued
Array ( [id] => 19718557 [patent_doc_number] => 12204091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Electrowetting optical devices and methods for making the same [patent_app_type] => utility [patent_app_number] => 17/621732 [patent_app_country] => US [patent_app_date] => 2020-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 15447 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [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] => 17621732 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/621732
Electrowetting optical devices and methods for making the same Jun 23, 2020 Issued
Array ( [id] => 17301013 [patent_doc_number] => 20210396852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => MEMS MIRROR STRUCTURE WITH BACKSIDE SKELETON [patent_app_type] => utility [patent_app_number] => 16/905489 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16905489 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/905489
MEMS mirror structure with backside skeleton Jun 17, 2020 Issued
Array ( [id] => 18302993 [patent_doc_number] => 11624892 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Lens apparatus and image pickup apparatus [patent_app_type] => utility [patent_app_number] => 16/905648 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5161 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16905648 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/905648
Lens apparatus and image pickup apparatus Jun 17, 2020 Issued
Array ( [id] => 17736286 [patent_doc_number] => 20220221745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => DEVICE FOR MODULATING A PHYSICAL PROPERTY OF A LIGHT BEAM IN RESPONSE TO AN ELECTRICAL SIGNAL [patent_app_type] => utility [patent_app_number] => 17/596318 [patent_app_country] => US [patent_app_date] => 2020-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596318
Device for modulating a physical property of a light beam in response to an electrical signal Jun 16, 2020 Issued
Array ( [id] => 17785990 [patent_doc_number] => 11409109 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-09 [patent_title] => Geometric phase lens alignment in an augmented reality head mounted display [patent_app_type] => utility [patent_app_number] => 16/898864 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 7669 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898864 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898864
Geometric phase lens alignment in an augmented reality head mounted display Jun 10, 2020 Issued
Array ( [id] => 16767840 [patent_doc_number] => 10979635 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-13 [patent_title] => Ultra-wide field-of-view flat optics [patent_app_type] => utility [patent_app_number] => 16/894945 [patent_app_country] => US [patent_app_date] => 2020-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 40 [patent_no_of_words] => 10578 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [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] => 16894945 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/894945
Ultra-wide field-of-view flat optics Jun 7, 2020 Issued
Array ( [id] => 17954652 [patent_doc_number] => 11480755 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Imaging lens module and electronic device [patent_app_type] => utility [patent_app_number] => 16/892411 [patent_app_country] => US [patent_app_date] => 2020-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 9469 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16892411 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/892411
Imaging lens module and electronic device Jun 3, 2020 Issued
Array ( [id] => 18872463 [patent_doc_number] => 11860259 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Optical-electronic integrated RF leakage interference cancellation system and method for CW radar [patent_app_type] => utility [patent_app_number] => 17/259476 [patent_app_country] => US [patent_app_date] => 2020-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2625 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 424 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17259476 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/259476
Optical-electronic integrated RF leakage interference cancellation system and method for CW radar May 28, 2020 Issued
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