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] => 20358673 [patent_doc_number] => 12474666 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Cartridge and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/768295 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 72 [patent_figures_cnt] => 72 [patent_no_of_words] => 35807 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 18768295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768295
Cartridge and image forming apparatus Jul 9, 2024 Issued
Array ( [id] => 20358673 [patent_doc_number] => 12474666 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Cartridge and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/768295 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 72 [patent_figures_cnt] => 72 [patent_no_of_words] => 35807 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 18768295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768295
Cartridge and image forming apparatus Jul 9, 2024 Issued
Array ( [id] => 20731535 [patent_doc_number] => 12638792 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Tension roller assembly, belt unit, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/760557 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 8860 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760557 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760557
Tension roller assembly, belt unit, and image forming apparatus Jun 30, 2024 Issued
Array ( [id] => 19747505 [patent_doc_number] => 20250036070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => INTERMEDIATE TRANSFER UNIT AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/758326 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18758326 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/758326
Intermediate transfer unit and image forming apparatus Jun 27, 2024 Issued
Array ( [id] => 19710486 [patent_doc_number] => 20250020628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => RESIN MOLDED COMPONENT, IMAGE FORMING APPARATUS, AND DETERMINATION METHOD [patent_app_type] => utility [patent_app_number] => 18/757610 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18757610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/757610
Resin molded component, image forming apparatus, and determination method Jun 27, 2024 Issued
Array ( [id] => 19771701 [patent_doc_number] => 20250053127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => DEVELOPING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/757938 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18757938 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/757938
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS Jun 27, 2024 Pending
Array ( [id] => 19685849 [patent_doc_number] => 20250004394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/757923 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12825 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18757923 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/757923
Image forming apparatus having connector for detachable process cartridge Jun 27, 2024 Issued
Array ( [id] => 19685856 [patent_doc_number] => 20250004401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/753462 [patent_app_country] => US [patent_app_date] => 2024-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7151 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18753462 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753462
Image forming apparatus with engagement mechanism of apparatus main body Jun 24, 2024 Issued
Array ( [id] => 20672981 [patent_doc_number] => 12613490 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Image forming apparatus with positioning mechanism for detection unit and for contact unit [patent_app_type] => utility [patent_app_number] => 18/753140 [patent_app_country] => US [patent_app_date] => 2024-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 12515 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 406 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18753140 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753140
Image forming apparatus with positioning mechanism for detection unit and for contact unit Jun 24, 2024 Issued
Array ( [id] => 19694650 [patent_doc_number] => 20250013195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => METHOD FOR COOLING DOWN A PRINTER, PRINTER AND SOFTWARE PRODUCT [patent_app_type] => utility [patent_app_number] => 18/751947 [patent_app_country] => US [patent_app_date] => 2024-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18751947 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/751947
Method for cooling down a printer, printer and software product Jun 23, 2024 Issued
Array ( [id] => 19513850 [patent_doc_number] => 20240345536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT CAN BE EASILY SEPARATED [patent_app_type] => utility [patent_app_number] => 18/751474 [patent_app_country] => US [patent_app_date] => 2024-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18751474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/751474
Cartridge including photosensitive drum and developing roller that can be easily separated Jun 23, 2024 Issued
Array ( [id] => 19710902 [patent_doc_number] => 20250021044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => IMAGE FORMING APPARATUS AND CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/746511 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15053 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746511
Image forming apparatus and cartridge Jun 17, 2024 Issued
Array ( [id] => 19660215 [patent_doc_number] => 20240427280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/746248 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746248 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746248
Image forming apparatus Jun 17, 2024 Issued
Array ( [id] => 19644591 [patent_doc_number] => 20240419111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/739770 [patent_app_country] => US [patent_app_date] => 2024-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18739770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/739770
Image forming apparatus for mounting cartridges of different lifespans Jun 10, 2024 Issued
Array ( [id] => 19465989 [patent_doc_number] => 20240319659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => IMAGE FORMING APPARATUS HAVING IMPROVED ACCESS TO DRIVE UNIT [patent_app_type] => utility [patent_app_number] => 18/736836 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18736836 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/736836
Image forming apparatus having improved access to drive unit Jun 6, 2024 Issued
Array ( [id] => 20316981 [patent_doc_number] => 12455531 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Image forming apparatus including a transferer that reduces variations in transfer pressure between a transfer roller and image bearer during opening and closing of a cover of the image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/737346 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18737346 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/737346
Image forming apparatus including a transferer that reduces variations in transfer pressure between a transfer roller and image bearer during opening and closing of a cover of the image forming apparatus Jun 6, 2024 Issued
Array ( [id] => 20481503 [patent_doc_number] => 12529977 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Image forming apparatus and process cartridge [patent_app_type] => utility [patent_app_number] => 18/735919 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 18007 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 18735919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735919
Image forming apparatus and process cartridge Jun 5, 2024 Issued
Array ( [id] => 20130604 [patent_doc_number] => 12372916 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Image-forming apparatus including mechanism for opening and closing shutter of attached drum cartridge in interlocking relation to opening and closing movement of cover [patent_app_type] => utility [patent_app_number] => 18/735339 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 5349 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 719 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735339 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735339
Image-forming apparatus including mechanism for opening and closing shutter of attached drum cartridge in interlocking relation to opening and closing movement of cover Jun 5, 2024 Issued
Array ( [id] => 20202784 [patent_doc_number] => 12405562 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Image forming apparatus having toner replenishment container control [patent_app_type] => utility [patent_app_number] => 18/678184 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 55 [patent_no_of_words] => 23166 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678184
Image forming apparatus having toner replenishment container control May 29, 2024 Issued
Array ( [id] => 19963099 [patent_doc_number] => 12332598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Cartridge including holder for holding electrical contact surface and method of recycling cartridge [patent_app_type] => utility [patent_app_number] => 18/678621 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1227 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678621 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678621
Cartridge including holder for holding electrical contact surface and method of recycling cartridge May 29, 2024 Issued
Menu