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] => 15819593 [patent_doc_number] => 10634971 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-04-28 [patent_title] => Electrochromic devices having reduced switching times and their methods of manufacture [patent_app_type] => utility [patent_app_number] => 15/948360 [patent_app_country] => US [patent_app_date] => 2018-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7356 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 15948360 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/948360
Electrochromic devices having reduced switching times and their methods of manufacture Apr 8, 2018 Issued
Array ( [id] => 13346175 [patent_doc_number] => 20180224627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => LENS BARREL AND OPTICAL APPARATUS [patent_app_type] => utility [patent_app_number] => 15/947563 [patent_app_country] => US [patent_app_date] => 2018-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4356 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15947563 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/947563
Lens barrel and optical apparatus Apr 5, 2018 Issued
Array ( [id] => 15166293 [patent_doc_number] => 10488634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-26 [patent_title] => Image pickup apparatus and optical apparatus using the same [patent_app_type] => utility [patent_app_number] => 15/946377 [patent_app_country] => US [patent_app_date] => 2018-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 104 [patent_no_of_words] => 12807 [patent_no_of_claims] => 13 [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] => 15946377 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/946377
Image pickup apparatus and optical apparatus using the same Apr 4, 2018 Issued
Array ( [id] => 14075497 [patent_doc_number] => 20190086636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => IMAGING LENS COMPOSED OF FIVE OPTICAL ELEMENTS [patent_app_type] => utility [patent_app_number] => 15/944113 [patent_app_country] => US [patent_app_date] => 2018-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8845 [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] => 15944113 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/944113
IMAGING LENS COMPOSED OF FIVE OPTICAL ELEMENTS Apr 2, 2018 Abandoned
Array ( [id] => 14718717 [patent_doc_number] => 20190250422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => COLLIMATOR LENS [patent_app_type] => utility [patent_app_number] => 15/777705 [patent_app_country] => US [patent_app_date] => 2018-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15777705 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/777705
Collimator lens Apr 1, 2018 Issued
Array ( [id] => 13346361 [patent_doc_number] => 20180224720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => LENS SYSTEM, ACCESSORY, COMMUNICATION METHOD, AND PROGRAM [patent_app_type] => utility [patent_app_number] => 15/942561 [patent_app_country] => US [patent_app_date] => 2018-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15942561 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/942561
Lens system, accessory, communication method, and program Mar 31, 2018 Issued
Array ( [id] => 15951455 [patent_doc_number] => 10663627 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-26 [patent_title] => Selective coating for fresnel surface [patent_app_type] => utility [patent_app_number] => 15/938166 [patent_app_country] => US [patent_app_date] => 2018-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 3892 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15938166 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/938166
Selective coating for fresnel surface Mar 27, 2018 Issued
Array ( [id] => 14981141 [patent_doc_number] => 10444478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-15 [patent_title] => Ultra-short throw projection optical system [patent_app_type] => utility [patent_app_number] => 15/937844 [patent_app_country] => US [patent_app_date] => 2018-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2464 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 15937844 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/937844
Ultra-short throw projection optical system Mar 26, 2018 Issued
Array ( [id] => 13317309 [patent_doc_number] => 20180210192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-26 [patent_title] => OPTICAL SYSTEM FOR FIELD MAPPING AND/OR PUPIL MAPPING [patent_app_type] => utility [patent_app_number] => 15/927647 [patent_app_country] => US [patent_app_date] => 2018-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6256 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15927647 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/927647
Optical system for field mapping and/or pupil mapping Mar 20, 2018 Issued
Array ( [id] => 13973235 [patent_doc_number] => 10215965 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Imaging optical lens system, image capturing unit and electronic device [patent_app_type] => utility [patent_app_number] => 15/920254 [patent_app_country] => US [patent_app_date] => 2018-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 17370 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [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] => 15920254 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/920254
Imaging optical lens system, image capturing unit and electronic device Mar 12, 2018 Issued
Array ( [id] => 17636324 [patent_doc_number] => 11347045 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Ptychography based system and method [patent_app_type] => utility [patent_app_number] => 16/493469 [patent_app_country] => US [patent_app_date] => 2018-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 64 [patent_no_of_words] => 15192 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16493469 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493469
Ptychography based system and method Mar 12, 2018 Issued
Array ( [id] => 13431569 [patent_doc_number] => 20180267327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => RETICLE HAVING AN ILLUMINATION DEVICE [patent_app_type] => utility [patent_app_number] => 15/917902 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15917902 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/917902
Reticle having an illumination device Mar 11, 2018 Issued
Array ( [id] => 15608419 [patent_doc_number] => 10585265 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-10 [patent_title] => Optical imaging lens [patent_app_type] => utility [patent_app_number] => 15/918197 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 55 [patent_no_of_words] => 16326 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15918197 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/918197
Optical imaging lens Mar 11, 2018 Issued
Array ( [id] => 13416393 [patent_doc_number] => 20180259739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => LENS BARREL AND IMAGING DEVICE [patent_app_type] => utility [patent_app_number] => 15/917920 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15917920 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/917920
Lens barrel and imaging device Mar 11, 2018 Issued
Array ( [id] => 16144501 [patent_doc_number] => 10705319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-07 [patent_title] => Optical imaging lens [patent_app_type] => utility [patent_app_number] => 15/918239 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 63 [patent_no_of_words] => 16541 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15918239 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/918239
Optical imaging lens Mar 11, 2018 Issued
Array ( [id] => 15247373 [patent_doc_number] => 10509206 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-17 [patent_title] => Optical imaging lens [patent_app_type] => utility [patent_app_number] => 15/917848 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 56 [patent_no_of_words] => 9489 [patent_no_of_claims] => 20 [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] => 15917848 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/917848
Optical imaging lens Mar 11, 2018 Issued
Array ( [id] => 17394390 [patent_doc_number] => 11243398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-08 [patent_title] => Optical device for a head-mounted display, and head-mounted device incorporating it for augmented reality [patent_app_type] => utility [patent_app_number] => 16/493219 [patent_app_country] => US [patent_app_date] => 2018-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 5556 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16493219 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493219
Optical device for a head-mounted display, and head-mounted device incorporating it for augmented reality Mar 8, 2018 Issued
Array ( [id] => 14981121 [patent_doc_number] => 10444468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-15 [patent_title] => Optical imaging lens [patent_app_type] => utility [patent_app_number] => 15/915071 [patent_app_country] => US [patent_app_date] => 2018-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 72 [patent_no_of_words] => 10807 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15915071 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/915071
Optical imaging lens Mar 7, 2018 Issued
Array ( [id] => 13431463 [patent_doc_number] => 20180267274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => Camera Lens [patent_app_type] => utility [patent_app_number] => 15/915449 [patent_app_country] => US [patent_app_date] => 2018-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3115 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15915449 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/915449
Camera lens Mar 7, 2018 Issued
Array ( [id] => 14599983 [patent_doc_number] => 10353182 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-07-16 [patent_title] => Optical imaging lens [patent_app_type] => utility [patent_app_number] => 15/915079 [patent_app_country] => US [patent_app_date] => 2018-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 56 [patent_no_of_words] => 8473 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15915079 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/915079
Optical imaging lens Mar 7, 2018 Issued
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