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] => 19450648 [patent_doc_number] => 20240310778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => TONER CONTAINER LATCHING [patent_app_type] => utility [patent_app_number] => 18/677169 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 1 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18677169 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/677169
Toner container latching May 28, 2024 Issued
Array ( [id] => 19450635 [patent_doc_number] => 20240310765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => FIXING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/674542 [patent_app_country] => US [patent_app_date] => 2024-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18674542 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/674542
Fixing apparatus for fixing a toner image on a recording medium May 23, 2024 Issued
Array ( [id] => 20117118 [patent_doc_number] => 12366821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Drum cartridge including electrical contact surface movable relative to drum frame [patent_app_type] => utility [patent_app_number] => 18/672427 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18672427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672427
Drum cartridge including electrical contact surface movable relative to drum frame May 22, 2024 Issued
Array ( [id] => 20070342 [patent_doc_number] => 20250208564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => IMAGE FORMING APPARATUS AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/668276 [patent_app_country] => US [patent_app_date] => 2024-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18668276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/668276
IMAGE FORMING APPARATUS AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM May 19, 2024 Pending
Array ( [id] => 19971005 [patent_doc_number] => 12339614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Method for removing and attaching first holder member relative to second holder member supported by housing in cartridge [patent_app_type] => utility [patent_app_number] => 18/648048 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 4789 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648048 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648048
Method for removing and attaching first holder member relative to second holder member supported by housing in cartridge Apr 25, 2024 Issued
Array ( [id] => 20130602 [patent_doc_number] => 12372913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Image forming apparatus with cover having folded arm [patent_app_type] => utility [patent_app_number] => 18/634850 [patent_app_country] => US [patent_app_date] => 2024-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 18634850 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/634850
Image forming apparatus with cover having folded arm Apr 11, 2024 Issued
Array ( [id] => 20079097 [patent_doc_number] => 12353161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Image forming apparatus, fault sensing method, and non-transitory computer-readable recording medium storing fault sensing program [patent_app_type] => utility [patent_app_number] => 18/632723 [patent_app_country] => US [patent_app_date] => 2024-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4858 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632723
Image forming apparatus, fault sensing method, and non-transitory computer-readable recording medium storing fault sensing program Apr 10, 2024 Issued
Array ( [id] => 19529886 [patent_doc_number] => 20240353788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => INTERNAL COVER AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/632873 [patent_app_country] => US [patent_app_date] => 2024-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632873
Internal cover and image forming apparatus Apr 10, 2024 Issued
Array ( [id] => 19978567 [patent_doc_number] => 12346041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Image forming apparatus and image forming system [patent_app_type] => utility [patent_app_number] => 18/628926 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 7857 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18628926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/628926
Image forming apparatus and image forming system Apr 7, 2024 Issued
Array ( [id] => 19513825 [patent_doc_number] => 20240345511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/627774 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 416 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18627774 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627774
IMAGE FORMING APPARATUS Apr 4, 2024 Pending
Array ( [id] => 19529883 [patent_doc_number] => 20240353785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => IMAGE FORMING METHOD AND IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/625933 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25446 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18625933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625933
Image forming method and image forming system Apr 2, 2024 Issued
Array ( [id] => 19917341 [patent_doc_number] => 12292710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Image forming apparatus that includes an eraser drive circuit [patent_app_type] => utility [patent_app_number] => 18/623440 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623440 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623440
Image forming apparatus that includes an eraser drive circuit Mar 31, 2024 Issued
Array ( [id] => 19283390 [patent_doc_number] => 20240219866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/603393 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44379 [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] => 18603393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603393
Cartridge and electrophotographic image forming apparatus Mar 12, 2024 Issued
Array ( [id] => 19450642 [patent_doc_number] => 20240310772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/603029 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603029
Image forming apparatus including image forming unit drawable from apparatus main body Mar 11, 2024 Issued
Array ( [id] => 20079095 [patent_doc_number] => 12353159 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Fixing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/599370 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 42 [patent_no_of_words] => 10051 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18599370 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599370
Fixing device and image forming apparatus Mar 7, 2024 Issued
Array ( [id] => 19732316 [patent_doc_number] => 12210312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Image forming apparatus having toner replenishment [patent_app_type] => utility [patent_app_number] => 18/599417 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 49 [patent_no_of_words] => 14285 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18599417 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599417
Image forming apparatus having toner replenishment Mar 7, 2024 Issued
Array ( [id] => 19437232 [patent_doc_number] => 20240305730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => IMAGE FORMING APPARATUS AND PAPER DUST CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 18/600335 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10493 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18600335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/600335
Image forming apparatus and paper dust cleaning device Mar 7, 2024 Issued
Array ( [id] => 20273347 [patent_doc_number] => 12443124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Optical scanning device and image forming apparatus mounted with it [patent_app_type] => utility [patent_app_number] => 18/596336 [patent_app_country] => US [patent_app_date] => 2024-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18596336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/596336
Optical scanning device and image forming apparatus mounted with it Mar 4, 2024 Issued
Array ( [id] => 19421524 [patent_doc_number] => 20240297648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => DRIVE VOLTAGE CONTROL DEVICE, DRIVE VOLTAGE CONTROL DEVICE FOR FAN MOTOR, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/591181 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6118 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18591181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/591181
Drive voltage control device, drive voltage control device for fan motor, and image forming apparatus Feb 28, 2024 Issued
Array ( [id] => 19391066 [patent_doc_number] => 20240280936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/582470 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582470
Image forming apparatus with interlocking mechanism for a shutter member blocking an optical path of a laser beam Feb 19, 2024 Issued
Menu