Search

Sophia S. Chen

Examiner (ID: 2134, Phone: (571)272-2133 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2852, 2105, 2809
Total Applications
3646
Issued Applications
3464
Pending Applications
97
Abandoned Applications
111

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18965631 [patent_doc_number] => 11899393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Photosensitive member unit and development unit [patent_app_type] => utility [patent_app_number] => 17/938486 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 25 [patent_no_of_words] => 10938 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 393 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17938486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/938486
Photosensitive member unit and development unit Oct 5, 2022 Issued
Array ( [id] => 18917869 [patent_doc_number] => 11880147 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-23 [patent_title] => Developing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/960156 [patent_app_country] => US [patent_app_date] => 2022-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6766 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17960156 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/960156
Developing device and image forming apparatus Oct 4, 2022 Issued
Array ( [id] => 18637731 [patent_doc_number] => 11762328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/937478 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 9127 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17937478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937478
Image forming apparatus Oct 2, 2022 Issued
Array ( [id] => 18702893 [patent_doc_number] => 11789401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Cartridge including photosensitive drum and developing roller that can be easily separated [patent_app_type] => utility [patent_app_number] => 17/957085 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 9689 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17957085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/957085
Cartridge including photosensitive drum and developing roller that can be easily separated Sep 29, 2022 Issued
Array ( [id] => 18286386 [patent_doc_number] => 20230101858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => HEATER, HEATING DEVICE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/936279 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17936279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/936279
Heater, heating device, and image forming apparatus Sep 27, 2022 Issued
Array ( [id] => 18146208 [patent_doc_number] => 20230020065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/935963 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24671 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17935963 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935963
Image forming apparatus including fixing liquid spraying device and collecting device Sep 27, 2022 Issued
Array ( [id] => 18144356 [patent_doc_number] => 20230018207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/935655 [patent_app_country] => US [patent_app_date] => 2022-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17935655 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935655
Image forming apparatus and method for controlling image forming apparatus Sep 26, 2022 Issued
Array ( [id] => 19644578 [patent_doc_number] => 20240419098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => PREVENTION OF CRUM CHIP MALFUNCTION THROUGH LOCK CONTROL OF CONSUMABLE UNIT [patent_app_type] => utility [patent_app_number] => 18/701712 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18701712 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/701712
Prevention of CRUM chip malfunction through lock control of consumable unit Sep 25, 2022 Issued
Array ( [id] => 18686650 [patent_doc_number] => 11782382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Developer supply container and developer supplying system [patent_app_type] => utility [patent_app_number] => 17/950379 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11568 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17950379 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/950379
Developer supply container and developer supplying system Sep 21, 2022 Issued
Array ( [id] => 18917884 [patent_doc_number] => 11880162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Electrophotographic photoreceptor, process cartridge, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/947728 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 17770 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17947728 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/947728
Electrophotographic photoreceptor, process cartridge, and image forming apparatus Sep 18, 2022 Issued
Array ( [id] => 19212095 [patent_doc_number] => 12001155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Container with shield for shielding a discharge opening thereof [patent_app_type] => utility [patent_app_number] => 17/948102 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 20228 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17948102 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/948102
Container with shield for shielding a discharge opening thereof Sep 18, 2022 Issued
Array ( [id] => 18667984 [patent_doc_number] => 11774880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/943539 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 36 [patent_no_of_words] => 13585 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17943539 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/943539
Image forming apparatus Sep 12, 2022 Issued
Array ( [id] => 18667984 [patent_doc_number] => 11774880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/943539 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 36 [patent_no_of_words] => 13585 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17943539 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/943539
Image forming apparatus Sep 12, 2022 Issued
Array ( [id] => 18667984 [patent_doc_number] => 11774880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/943539 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 36 [patent_no_of_words] => 13585 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17943539 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/943539
Image forming apparatus Sep 12, 2022 Issued
Array ( [id] => 18667984 [patent_doc_number] => 11774880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/943539 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 36 [patent_no_of_words] => 13585 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17943539 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/943539
Image forming apparatus Sep 12, 2022 Issued
Array ( [id] => 20434085 [patent_doc_number] => 12504712 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Process cartridge with driving side hinge with hinge spacing [patent_app_type] => utility [patent_app_number] => 18/844382 [patent_app_country] => US [patent_app_date] => 2022-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 1151 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18844382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/844382
Process cartridge with driving side hinge with hinge spacing Sep 11, 2022 Issued
Array ( [id] => 20265495 [patent_doc_number] => 12436482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Toner cartridge and laser printer [patent_app_type] => utility [patent_app_number] => 18/691298 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 4964 [patent_no_of_claims] => 17 [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] => 18691298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/691298
Toner cartridge and laser printer Sep 8, 2022 Issued
Array ( [id] => 18095090 [patent_doc_number] => 20220413431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/903350 [patent_app_country] => US [patent_app_date] => 2022-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10005 [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] => 17903350 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/903350
Developer supply container and developer supplying system Sep 5, 2022 Issued
Array ( [id] => 19028547 [patent_doc_number] => 11927903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Heating device and apparatus utilizing object to be heated [patent_app_type] => utility [patent_app_number] => 17/902887 [patent_app_country] => US [patent_app_date] => 2022-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 23 [patent_no_of_words] => 11732 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902887 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902887
Heating device and apparatus utilizing object to be heated Sep 3, 2022 Issued
Array ( [id] => 18621927 [patent_doc_number] => 11754964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Cam driver, transfer device, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/929037 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 10185 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17929037 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929037
Cam driver, transfer device, and image forming apparatus Aug 31, 2022 Issued
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