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] => 18078913 [patent_doc_number] => 20220404525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => OPTICAL METASURFACE FILMS [patent_app_type] => utility [patent_app_number] => 17/777211 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8412 [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] => 17777211 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/777211
Optical metasurface films Nov 30, 2020 Issued
Array ( [id] => 18561069 [patent_doc_number] => 11726311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Electrode configuration for tilting micro-electro-mechanical systems mirror [patent_app_type] => utility [patent_app_number] => 17/247093 [patent_app_country] => US [patent_app_date] => 2020-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5360 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17247093 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/247093
Electrode configuration for tilting micro-electro-mechanical systems mirror Nov 29, 2020 Issued
Array ( [id] => 16918124 [patent_doc_number] => 20210191216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => OBSCURING BUS BARS IN ELECTROCHROMIC GLASS STRUCTURES [patent_app_type] => utility [patent_app_number] => 17/100731 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16631 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 17100731 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100731
Obscuring bus bars in electrochromic glass structures Nov 19, 2020 Issued
Array ( [id] => 17293732 [patent_doc_number] => 20210389571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => IMAGING LENS [patent_app_type] => utility [patent_app_number] => 17/097767 [patent_app_country] => US [patent_app_date] => 2020-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7690 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17097767 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/097767
Imaging lens Nov 12, 2020 Issued
Array ( [id] => 18066666 [patent_doc_number] => 20220397754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => LARGE SCALABLE APERTURE-COMBINED OPTICAL TELESCOPE [patent_app_type] => utility [patent_app_number] => 17/770893 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3527 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17770893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770893
Large scalable aperture-combined optical telescope Oct 28, 2020 Issued
Array ( [id] => 18037865 [patent_doc_number] => 20220382081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => METHOD OF FORMING A PATTERN ON AN OPTICAL DEVICE [patent_app_type] => utility [patent_app_number] => 17/772168 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 17772168 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772168
Method of forming a pattern on an optical device Oct 20, 2020 Issued
Array ( [id] => 18072361 [patent_doc_number] => 11531192 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Optical imaging system [patent_app_type] => utility [patent_app_number] => 17/074895 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4834 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17074895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/074895
Optical imaging system Oct 19, 2020 Issued
Array ( [id] => 16856376 [patent_doc_number] => 20210157121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => INNER SURFACE IMAGE INSPECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/064227 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3196 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17064227 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064227
Inner surface image inspection apparatus Oct 5, 2020 Issued
Array ( [id] => 16751154 [patent_doc_number] => 20210103163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => OPTOMECHANICAL MODULATOR [patent_app_type] => utility [patent_app_number] => 17/037933 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17037933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/037933
Optomechanical modulator Sep 29, 2020 Issued
Array ( [id] => 18234381 [patent_doc_number] => 11598936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Optical imaging lens assembly [patent_app_type] => utility [patent_app_number] => 17/033981 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 40 [patent_no_of_words] => 12264 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17033981 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/033981
Optical imaging lens assembly Sep 27, 2020 Issued
Array ( [id] => 16825902 [patent_doc_number] => 20210141195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => OPTICAL IMAGING LENS ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/034523 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9348 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17034523 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/034523
Optical imaging lens assembly Sep 27, 2020 Issued
Array ( [id] => 17147920 [patent_doc_number] => 11140968 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-10-12 [patent_title] => Easy lift [patent_app_type] => utility [patent_app_number] => 17/033710 [patent_app_country] => US [patent_app_date] => 2020-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 4037 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17033710 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/033710
Easy lift Sep 25, 2020 Issued
Array ( [id] => 18217670 [patent_doc_number] => 11592601 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Diffusive structure for light source [patent_app_type] => utility [patent_app_number] => 17/032280 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 81 [patent_no_of_words] => 14193 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17032280 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/032280
Diffusive structure for light source Sep 24, 2020 Issued
Array ( [id] => 18135709 [patent_doc_number] => 11561377 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Optical imaging lens assembly [patent_app_type] => utility [patent_app_number] => 17/031657 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 40 [patent_no_of_words] => 11609 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17031657 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/031657
Optical imaging lens assembly Sep 23, 2020 Issued
Array ( [id] => 18702824 [patent_doc_number] => 11789332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Apparatus and method for controlling laser light propagation direction by using a plurality of nano-antennas [patent_app_type] => utility [patent_app_number] => 17/023570 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5813 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17023570 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/023570
Apparatus and method for controlling laser light propagation direction by using a plurality of nano-antennas Sep 16, 2020 Issued
Array ( [id] => 18154387 [patent_doc_number] => 11567363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Light control member, display device and method of fabricating display device [patent_app_type] => utility [patent_app_number] => 17/022459 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 10811 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022459 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022459
Light control member, display device and method of fabricating display device Sep 15, 2020 Issued
Array ( [id] => 19214614 [patent_doc_number] => 12003696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Display device and display method thereof [patent_app_type] => utility [patent_app_number] => 17/288586 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7935 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17288586 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/288586
Display device and display method thereof Sep 13, 2020 Issued
Array ( [id] => 18037825 [patent_doc_number] => 20220382041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => REFLECTIVE SPIRAL PHASE PLATE, AND APPARATUS FOR GENERATING LAGUERRE GAUSSIAN BEAM COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/641770 [patent_app_country] => US [patent_app_date] => 2020-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4919 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17641770 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641770
Reflective spiral phase plate, and apparatus for generating Laguerre Gaussian beam comprising same Sep 8, 2020 Issued
Array ( [id] => 16514475 [patent_doc_number] => 20200393733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => CONTROL METHOD FOR TINTABLE WINDOWS [patent_app_type] => utility [patent_app_number] => 17/008342 [patent_app_country] => US [patent_app_date] => 2020-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 17008342 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/008342
Control method for tintable windows Aug 30, 2020 Issued
Array ( [id] => 18667854 [patent_doc_number] => 11774747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Adaptive optical device of simplified construction and associated manufacturing method [patent_app_type] => utility [patent_app_number] => 17/607528 [patent_app_country] => US [patent_app_date] => 2020-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 13942 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17607528 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/607528
Adaptive optical device of simplified construction and associated manufacturing method Aug 25, 2020 Issued
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