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] => 14966007 [patent_doc_number] => 20190310482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => LIGHT GUIDE WITH BEAM SEPARATOR FOR DUAL IMAGES [patent_app_type] => utility [patent_app_number] => 16/470226 [patent_app_country] => US [patent_app_date] => 2017-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16470226 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/470226
Light guide with beam separator for dual images Dec 12, 2017 Issued
Array ( [id] => 15196731 [patent_doc_number] => 10495855 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-03 [patent_title] => Imaging lens [patent_app_type] => utility [patent_app_number] => 15/837578 [patent_app_country] => US [patent_app_date] => 2017-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10188 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 15837578 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/837578
Imaging lens Dec 10, 2017 Issued
Array ( [id] => 15196729 [patent_doc_number] => 10495854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-03 [patent_title] => Imaging lens [patent_app_type] => utility [patent_app_number] => 15/837494 [patent_app_country] => US [patent_app_date] => 2017-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10182 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15837494 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/837494
Imaging lens Dec 10, 2017 Issued
Array ( [id] => 13253823 [patent_doc_number] => 10139598 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-11-27 [patent_title] => Camera optical lens [patent_app_type] => utility [patent_app_number] => 15/834596 [patent_app_country] => US [patent_app_date] => 2017-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5085 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15834596 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/834596
Camera optical lens Dec 6, 2017 Issued
Array ( [id] => 13239681 [patent_doc_number] => 10133036 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-11-20 [patent_title] => Camera optical lens [patent_app_type] => utility [patent_app_number] => 15/834612 [patent_app_country] => US [patent_app_date] => 2017-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5152 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15834612 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/834612
Camera optical lens Dec 6, 2017 Issued
Array ( [id] => 16818069 [patent_doc_number] => 11002889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-11 [patent_title] => Reflective diffuser plate, display device, projection device, and lighting device [patent_app_type] => utility [patent_app_number] => 16/472619 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 34 [patent_no_of_words] => 9027 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16472619 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/472619
Reflective diffuser plate, display device, projection device, and lighting device Dec 4, 2017 Issued
Array ( [id] => 15247353 [patent_doc_number] => 10509195 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-17 [patent_title] => Camera module including aperture and electronic device including the same [patent_app_type] => utility [patent_app_number] => 15/831898 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 21010 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15831898 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/831898
Camera module including aperture and electronic device including the same Dec 4, 2017 Issued
Array ( [id] => 12795535 [patent_doc_number] => 20180157014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-07 [patent_title] => OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 15/830287 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6112 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 15830287 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/830287
Optical system and image pickup apparatus having the same Dec 3, 2017 Issued
Array ( [id] => 16202211 [patent_doc_number] => 10727393 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-07-28 [patent_title] => Stack actuators array and deformable mirrors by utilizing wafer dicing, conductor refilling, and hybrid integrating and assembly techniques [patent_app_type] => utility [patent_app_number] => 15/829961 [patent_app_country] => US [patent_app_date] => 2017-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 4878 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15829961 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/829961
Stack actuators array and deformable mirrors by utilizing wafer dicing, conductor refilling, and hybrid integrating and assembly techniques Dec 2, 2017 Issued
Array ( [id] => 13317471 [patent_doc_number] => 20180210273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-26 [patent_title] => OPTICAL FILM [patent_app_type] => utility [patent_app_number] => 15/824077 [patent_app_country] => US [patent_app_date] => 2017-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 15824077 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/824077
Optical film Nov 27, 2017 Issued
Array ( [id] => 13904711 [patent_doc_number] => 20190041560 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => COATED NARROW-BAND FILTER WITH ABSORBENT MATERIAL [patent_app_type] => utility [patent_app_number] => 15/823611 [patent_app_country] => US [patent_app_date] => 2017-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15823611 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/823611
Coated narrow-band filter with absorbent material Nov 27, 2017 Issued
Array ( [id] => 12261988 [patent_doc_number] => 20180081184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'LASER ARRAY BEAM COMBINER' [patent_app_type] => utility [patent_app_number] => 15/823553 [patent_app_country] => US [patent_app_date] => 2017-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4593 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15823553 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/823553
Laser array beam combiner Nov 26, 2017 Issued
Array ( [id] => 16721606 [patent_doc_number] => 20210088753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/076285 [patent_app_country] => US [patent_app_date] => 2017-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 16076285 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/076285
Optical imaging system Nov 19, 2017 Issued
Array ( [id] => 15358439 [patent_doc_number] => 10527832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Imaging optical unit and projection exposure apparatus including same [patent_app_type] => utility [patent_app_number] => 15/816325 [patent_app_country] => US [patent_app_date] => 2017-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 23290 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15816325 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/816325
Imaging optical unit and projection exposure apparatus including same Nov 16, 2017 Issued
Array ( [id] => 15105017 [patent_doc_number] => 10473827 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-11-12 [patent_title] => Fresnel lens with textured draft surfaces [patent_app_type] => utility [patent_app_number] => 15/816030 [patent_app_country] => US [patent_app_date] => 2017-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 9511 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15816030 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/816030
Fresnel lens with textured draft surfaces Nov 16, 2017 Issued
Array ( [id] => 14891007 [patent_doc_number] => 10425563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-24 [patent_title] => Lens moving apparatus [patent_app_type] => utility [patent_app_number] => 15/814050 [patent_app_country] => US [patent_app_date] => 2017-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 8580 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [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] => 15814050 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/814050
Lens moving apparatus Nov 14, 2017 Issued
Array ( [id] => 13512773 [patent_doc_number] => 20180307929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => SYSTEM AND METHOD FOR PATTERN DETECTION AND CAMERA CALIBRATION [patent_app_type] => utility [patent_app_number] => 15/813043 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11821 [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] => 15813043 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/813043
System and method for pattern detection and camera calibration Nov 13, 2017 Issued
Array ( [id] => 16894520 [patent_doc_number] => 11036068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Non-volatile thermotropic optical switches based on ionic liquid(s) and polymer blends [patent_app_type] => utility [patent_app_number] => 16/347039 [patent_app_country] => US [patent_app_date] => 2017-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 13922 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16347039 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/347039
Non-volatile thermotropic optical switches based on ionic liquid(s) and polymer blends Nov 1, 2017 Issued
Array ( [id] => 14839301 [patent_doc_number] => 20190278051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => CIRCUIT FOR CONTROLLING VOLTAGE FOR DRIVING LIQUID LENS AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 16/345889 [patent_app_country] => US [patent_app_date] => 2017-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13583 [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] => 16345889 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/345889
Circuit for controlling voltage for driving liquid lens and camera module and optical device comprising same Oct 30, 2017 Issued
Array ( [id] => 17268705 [patent_doc_number] => 11194125 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-07 [patent_title] => Iris lens assembly [patent_app_type] => utility [patent_app_number] => 16/074733 [patent_app_country] => US [patent_app_date] => 2017-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 40 [patent_no_of_words] => 9908 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16074733 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/074733
Iris lens assembly Oct 25, 2017 Issued
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