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Stephen Choi

Examiner (ID: 17036)

Most Active Art Unit
3724
Art Unit(s)
3724
Total Applications
1429
Issued Applications
917
Pending Applications
43
Abandoned Applications
469

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19652798 [patent_doc_number] => 12174581 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Image-forming device having guide to guide drawer supporting developing units in main casing [patent_app_type] => utility [patent_app_number] => 18/314234 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6317 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18314234 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/314234
Image-forming device having guide to guide drawer supporting developing units in main casing May 8, 2023 Issued
Array ( [id] => 19595533 [patent_doc_number] => 12153373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Image forming apparatus having detachable cartridges and image forming system [patent_app_type] => utility [patent_app_number] => 18/143678 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 31 [patent_no_of_words] => 18324 [patent_no_of_claims] => 8 [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] => 18143678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143678
Image forming apparatus having detachable cartridges and image forming system May 4, 2023 Issued
Array ( [id] => 19703118 [patent_doc_number] => 12197142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Image forming apparatus, color misregistration correction method, and computer readable recording medium storing control program [patent_app_type] => utility [patent_app_number] => 18/306338 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 7193 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306338 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/306338
Image forming apparatus, color misregistration correction method, and computer readable recording medium storing control program Apr 24, 2023 Issued
Array ( [id] => 18613930 [patent_doc_number] => 20230280667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/305535 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305535 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305535
Electroconductive member, process cartridge, and electrophotographic image forming apparatus Apr 23, 2023 Issued
Array ( [id] => 18613930 [patent_doc_number] => 20230280667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/305535 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305535 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305535
Electroconductive member, process cartridge, and electrophotographic image forming apparatus Apr 23, 2023 Issued
Array ( [id] => 18613930 [patent_doc_number] => 20230280667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/305535 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305535 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305535
Electroconductive member, process cartridge, and electrophotographic image forming apparatus Apr 23, 2023 Issued
Array ( [id] => 18613930 [patent_doc_number] => 20230280667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/305535 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305535 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305535
Electroconductive member, process cartridge, and electrophotographic image forming apparatus Apr 23, 2023 Issued
Array ( [id] => 19652796 [patent_doc_number] => 12174579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Joined structural body, image forming apparatus and finisher [patent_app_type] => utility [patent_app_number] => 18/304990 [patent_app_country] => US [patent_app_date] => 2023-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 10899 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18304990 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/304990
Joined structural body, image forming apparatus and finisher Apr 20, 2023 Issued
Array ( [id] => 19189488 [patent_doc_number] => 20240168401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => CHARGING DEVICE, TONER-IMAGE FORMING UNIT, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/302198 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302198 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302198
CHARGING DEVICE, TONER-IMAGE FORMING UNIT, AND IMAGE FORMING APPARATUS Apr 17, 2023 Pending
Array ( [id] => 18553588 [patent_doc_number] => 20230251600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => METAL FRAME OF IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/301705 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18301705 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/301705
Metal frame of image forming apparatus and image forming apparatus Apr 16, 2023 Issued
Array ( [id] => 19442714 [patent_doc_number] => 12092972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Developer supply container and developer supplying system [patent_app_type] => utility [patent_app_number] => 18/133037 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 48 [patent_no_of_words] => 35542 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133037 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133037
Developer supply container and developer supplying system Apr 10, 2023 Issued
Array ( [id] => 18755698 [patent_doc_number] => 20230359142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => SHEET CONVEYING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/129107 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7919 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18129107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/129107
Sheet conveying device, fixing device, and image forming apparatus Mar 30, 2023 Issued
Array ( [id] => 18677355 [patent_doc_number] => 20230315001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => DEVELOPING CARTRIDGE INCLUDING MOVABLE SHAFT, AND CAM PROVIDED ON SHAFT AND HAVING SURFACE INCLINED RELATIVE THERETO [patent_app_type] => utility [patent_app_number] => 18/190295 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190295
Developing cartridge including movable shaft, and cam provided on shaft and having surface inclined relative thereto Mar 26, 2023 Issued
Array ( [id] => 18802721 [patent_doc_number] => 11835878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Electrophotographic roller, process cartridge and electrophotographic image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/188567 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 11799 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 18188567 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188567
Electrophotographic roller, process cartridge and electrophotographic image forming apparatus Mar 22, 2023 Issued
Array ( [id] => 18659422 [patent_doc_number] => 20230305428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/182882 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18182882 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/182882
Image forming apparatus Mar 12, 2023 Issued
Array ( [id] => 19652797 [patent_doc_number] => 12174580 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Processing system and relay unit [patent_app_type] => utility [patent_app_number] => 18/181266 [patent_app_country] => US [patent_app_date] => 2023-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 11112 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18181266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/181266
Processing system and relay unit Mar 8, 2023 Issued
Array ( [id] => 18629976 [patent_doc_number] => 20230288866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/180212 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39781 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180212 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180212
Image forming apparatus Mar 7, 2023 Issued
Array ( [id] => 19275818 [patent_doc_number] => 12025945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/180359 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 24 [patent_no_of_words] => 6650 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180359 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180359
Image forming apparatus Mar 7, 2023 Issued
Array ( [id] => 18498938 [patent_doc_number] => 20230221670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => FAILURE PREDICTION SERVER, FAILURE PREDICTION SYSTEM, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/118668 [patent_app_country] => US [patent_app_date] => 2023-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7532 [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] => 18118668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/118668
Failure prediction server, failure prediction system, and image forming apparatus Mar 6, 2023 Issued
Array ( [id] => 19045005 [patent_doc_number] => 11934113 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Developing cartridge including protrusion positioned at outer surface of casing [patent_app_type] => utility [patent_app_number] => 18/177485 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 29 [patent_no_of_words] => 14409 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177485 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177485
Developing cartridge including protrusion positioned at outer surface of casing Mar 1, 2023 Issued
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