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] => 18863782 [patent_doc_number] => 20230418218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => PHOTOSENSITIVE MEMBER UNIT AND DEVELOPMENT UNIT [patent_app_type] => utility [patent_app_number] => 18/464885 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464885 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464885
Photosensitive member unit and development unit Sep 10, 2023 Issued
Array ( [id] => 19732308 [patent_doc_number] => 12210304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Heater and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/461816 [patent_app_country] => US [patent_app_date] => 2023-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 9819 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18461816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/461816
Heater and image forming apparatus Sep 5, 2023 Issued
Array ( [id] => 18863776 [patent_doc_number] => 20230418212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT CAN BE EASILY SEPARATED [patent_app_type] => utility [patent_app_number] => 18/461819 [patent_app_country] => US [patent_app_date] => 2023-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18461819 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/461819
Cartridge including photosensitive drum and developing roller that can be easily separated Sep 5, 2023 Issued
Array ( [id] => 19885413 [patent_doc_number] => 12271126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Image forming apparatus configured to perform cleaning operation for cleaning drum cleaning roller configured to collect toner on photosensitive drum [patent_app_type] => utility [patent_app_number] => 18/461599 [patent_app_country] => US [patent_app_date] => 2023-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 43 [patent_no_of_words] => 32036 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18461599 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/461599
Image forming apparatus configured to perform cleaning operation for cleaning drum cleaning roller configured to collect toner on photosensitive drum Sep 5, 2023 Issued
Array ( [id] => 19566132 [patent_doc_number] => 12140901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Image forming apparatus provided with detachable processing unit [patent_app_type] => utility [patent_app_number] => 18/241431 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 39 [patent_no_of_words] => 13460 [patent_no_of_claims] => 20 [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] => 18241431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241431
Image forming apparatus provided with detachable processing unit Aug 31, 2023 Issued
Array ( [id] => 19566132 [patent_doc_number] => 12140901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Image forming apparatus provided with detachable processing unit [patent_app_type] => utility [patent_app_number] => 18/241431 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 39 [patent_no_of_words] => 13460 [patent_no_of_claims] => 20 [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] => 18241431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241431
Image forming apparatus provided with detachable processing unit Aug 31, 2023 Issued
Array ( [id] => 19566132 [patent_doc_number] => 12140901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Image forming apparatus provided with detachable processing unit [patent_app_type] => utility [patent_app_number] => 18/241431 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 39 [patent_no_of_words] => 13460 [patent_no_of_claims] => 20 [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] => 18241431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241431
Image forming apparatus provided with detachable processing unit Aug 31, 2023 Issued
Array ( [id] => 19718735 [patent_doc_number] => 12204272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Developer supply container and developer supplying system [patent_app_type] => utility [patent_app_number] => 18/241375 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11567 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [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] => 18241375 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241375
Developer supply container and developer supplying system Aug 31, 2023 Issued
Array ( [id] => 19566132 [patent_doc_number] => 12140901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Image forming apparatus provided with detachable processing unit [patent_app_type] => utility [patent_app_number] => 18/241431 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 39 [patent_no_of_words] => 13460 [patent_no_of_claims] => 20 [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] => 18241431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241431
Image forming apparatus provided with detachable processing unit Aug 31, 2023 Issued
Array ( [id] => 19718726 [patent_doc_number] => 12204263 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Developer accommodating device, developing device, cartridge and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/241315 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 11962 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18241315 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241315
Developer accommodating device, developing device, cartridge and image forming apparatus Aug 31, 2023 Issued
Array ( [id] => 19481515 [patent_doc_number] => 20240329557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/240792 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240792 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240792
Image forming apparatus including an electrophotographic photoreceptor Aug 30, 2023 Issued
Array ( [id] => 20109774 [patent_doc_number] => 12360492 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Electrophotographic photoreceptor, process cartridge, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/457025 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 10522 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18457025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/457025
Electrophotographic photoreceptor, process cartridge, and image forming apparatus Aug 27, 2023 Issued
Array ( [id] => 18832282 [patent_doc_number] => 20230400809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/237469 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 63264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18237469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237469
Cartridge and image forming apparatus Aug 23, 2023 Issued
Array ( [id] => 18832282 [patent_doc_number] => 20230400809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/237469 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 63264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18237469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237469
Cartridge and image forming apparatus Aug 23, 2023 Issued
Array ( [id] => 18832282 [patent_doc_number] => 20230400809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/237469 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 63264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18237469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237469
Cartridge and image forming apparatus Aug 23, 2023 Issued
Array ( [id] => 18832282 [patent_doc_number] => 20230400809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/237469 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 63264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18237469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237469
Cartridge and image forming apparatus Aug 23, 2023 Issued
Array ( [id] => 18880968 [patent_doc_number] => 20240004337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => POWER SUPPLY APPARATUS FOR SUPPLYING VARIOUS VOLTAGES AND IMAGE FORMING APPARATUS OPERATING ON VOLTAGE SUPPLIED FROM POWER SUPPLY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/455521 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18455521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/455521
Power supply apparatus for supplying various voltages and image forming apparatus operating on voltage supplied from power supply apparatus Aug 23, 2023 Issued
Array ( [id] => 19919700 [patent_doc_number] => 12295096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Circuit board and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/454264 [patent_app_country] => US [patent_app_date] => 2023-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2407 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18454264 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/454264
Circuit board and image forming apparatus Aug 22, 2023 Issued
Array ( [id] => 19802168 [patent_doc_number] => 20250068093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => PRINT HEAD [patent_app_type] => utility [patent_app_number] => 18/453072 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18453072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/453072
Print head Aug 20, 2023 Issued
Array ( [id] => 19475374 [patent_doc_number] => 12105460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Cleaning blade, method for manufacturing cleaning blade, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/452187 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 9703 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18452187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452187
Cleaning blade, method for manufacturing cleaning blade, and image forming apparatus Aug 17, 2023 Issued
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