Search

Sophia S. Chen

Examiner (ID: 13301, Phone: (571)272-2133 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2809, 2852, 2105
Total Applications
3617
Issued Applications
3439
Pending Applications
95
Abandoned Applications
111

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18079147 [patent_doc_number] => 20220404759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => DEVELOPING CARTRIDGE INCLUDING FIRST CAM ROTATABLE WITH FIRST GEAR AND SECOND CAM ROTATABLE WITH SECOND GEAR TO SEPARATE DEVELOPING ROLLER FROM PHOTOSENSITIVE DRUM [patent_app_type] => utility [patent_app_number] => 17/745159 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17745159 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/745159
Developing cartridge including first cam rotatable with first gear and second cam rotatable with second gear to separate developing roller from photosensitive drum May 15, 2022 Issued
Array ( [id] => 18686646 [patent_doc_number] => 11782378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Image forming apparatus provided with detachable processing unit [patent_app_type] => utility [patent_app_number] => 17/742738 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 39 [patent_no_of_words] => 13460 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17742738 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/742738
Image forming apparatus provided with detachable processing unit May 11, 2022 Issued
Array ( [id] => 18621926 [patent_doc_number] => 11754963 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/741442 [patent_app_country] => US [patent_app_date] => 2022-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 6750 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17741442 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/741442
Image forming apparatus May 10, 2022 Issued
Array ( [id] => 18006697 [patent_doc_number] => 20220365463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => DEVELOPER ACCOMMODATING DEVICE, DEVELOPING DEVICE, CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/741548 [patent_app_country] => US [patent_app_date] => 2022-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17741548 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/741548
Developer accommodating device, developing device, cartridge and image forming apparatus May 10, 2022 Issued
Array ( [id] => 19258472 [patent_doc_number] => 12018520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Locking mechanism and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/728000 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4750 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17728000 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/728000
Locking mechanism and image forming apparatus Apr 24, 2022 Issued
Array ( [id] => 18591690 [patent_doc_number] => 11740584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Image forming apparatus and method for producing drive unit [patent_app_type] => utility [patent_app_number] => 17/724211 [patent_app_country] => US [patent_app_date] => 2022-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 8525 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17724211 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/724211
Image forming apparatus and method for producing drive unit Apr 18, 2022 Issued
Array ( [id] => 18414485 [patent_doc_number] => 11669025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/723975 [patent_app_country] => US [patent_app_date] => 2022-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 25 [patent_no_of_words] => 14550 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17723975 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/723975
Image forming apparatus Apr 18, 2022 Issued
Array ( [id] => 17763078 [patent_doc_number] => 20220236690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/717390 [patent_app_country] => US [patent_app_date] => 2022-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17717390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/717390
Process cartridge and image forming apparatus Apr 10, 2022 Issued
Array ( [id] => 18783251 [patent_doc_number] => 11825045 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Image forming apparatus with removable top plate cover secured with undersurface screws [patent_app_type] => utility [patent_app_number] => 17/717841 [patent_app_country] => US [patent_app_date] => 2022-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5485 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17717841 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/717841
Image forming apparatus with removable top plate cover secured with undersurface screws Apr 10, 2022 Issued
Array ( [id] => 20101581 [patent_doc_number] => 20250231517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => UNLOCKING TONER CARTRIDGE BY CLICK OPERATION [patent_app_type] => utility [patent_app_number] => 18/701716 [patent_app_country] => US [patent_app_date] => 2022-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18701716 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/701716
Unlocking toner cartridge by click operation Apr 4, 2022 Issued
Array ( [id] => 18261832 [patent_doc_number] => 11609532 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Image forming apparatus including restricting portion for restricting displacement of drawer in direction crossing moving direction of drawer [patent_app_type] => utility [patent_app_number] => 17/711094 [patent_app_country] => US [patent_app_date] => 2022-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7184 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17711094 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/711094
Image forming apparatus including restricting portion for restricting displacement of drawer in direction crossing moving direction of drawer Mar 31, 2022 Issued
Array ( [id] => 19558172 [patent_doc_number] => 20240369964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => LOCKING MECHANISM, AND IMAGE FORMING DEVICE [patent_app_type] => utility [patent_app_number] => 18/556960 [patent_app_country] => US [patent_app_date] => 2022-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18556960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/556960
Locking mechanism, and image forming device Mar 28, 2022 Issued
Array ( [id] => 19885412 [patent_doc_number] => 12271125 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Developing device and image forming apparatus provided therewith [patent_app_type] => utility [patent_app_number] => 18/565738 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8899 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 431 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18565738 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/565738
Developing device and image forming apparatus provided therewith Mar 27, 2022 Issued
Array ( [id] => 17947514 [patent_doc_number] => 20220334533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => IMAGE FORMING APPARATUS CAPABLE OF ELIMINATING OR MINIMIZING IMPACT NOISE, DEVELOPER STORAGE CONTAINER [patent_app_type] => utility [patent_app_number] => 17/656519 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9073 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17656519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/656519
Image forming apparatus capable of eliminating or minimizing impact noise, developer storage container Mar 24, 2022 Issued
Array ( [id] => 18479618 [patent_doc_number] => 11693354 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/655619 [patent_app_country] => US [patent_app_date] => 2022-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 17411 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17655619 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/655619
Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus Mar 20, 2022 Issued
Array ( [id] => 17884454 [patent_doc_number] => 20220299931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => SEAL BEARING AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/698030 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17698030 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698030
Seal bearing and image forming apparatus Mar 17, 2022 Issued
Array ( [id] => 17884455 [patent_doc_number] => 20220299932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => RESIN SLIDING BEARING AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/698035 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3965 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17698035 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698035
Resin sliding bearing and image forming apparatus Mar 17, 2022 Issued
Array ( [id] => 18430073 [patent_doc_number] => 11675290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Reusable media packaging for imaging device [patent_app_type] => utility [patent_app_number] => 17/696950 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 2337 [patent_no_of_claims] => 18 [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] => 17696950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/696950
Reusable media packaging for imaging device Mar 16, 2022 Issued
Array ( [id] => 18606300 [patent_doc_number] => 11747763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Drive device and image forming apparatus incorporating the drive device [patent_app_type] => utility [patent_app_number] => 17/697434 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 34 [patent_no_of_words] => 13426 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17697434 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/697434
Drive device and image forming apparatus incorporating the drive device Mar 16, 2022 Issued
Array ( [id] => 20122944 [patent_doc_number] => 20250237975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => TONER REFILL CARTRIDGE HAVING STRUCTURE IN WHICH DRIVING FORCE IS TRANSMITTED THROUGH TONER OUTLET [patent_app_type] => utility [patent_app_number] => 18/698722 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18698722 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/698722
Toner refill cartridge having structure in which driving force is transmitted through toner outlet Mar 14, 2022 Issued
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