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] => 19492878 [patent_doc_number] => 12111585 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Image forming apparatus and process unit [patent_app_type] => utility [patent_app_number] => 18/505161 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 11552 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505161
Image forming apparatus and process unit Nov 8, 2023 Issued
Array ( [id] => 19159376 [patent_doc_number] => 20240152083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/503411 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 18503411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503411
Image forming apparatus having detachable toner cartridges Nov 6, 2023 Issued
Array ( [id] => 18989402 [patent_doc_number] => 20240061371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/386330 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18409 [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] => 18386330 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386330
Process cartridge and image forming apparatus Nov 1, 2023 Issued
Array ( [id] => 18989401 [patent_doc_number] => 20240061370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => Image Forming Apparatus Provided with Contacting-Separating Member Capable of Moving Developing Roller Relative to Photosensitive Drum [patent_app_type] => utility [patent_app_number] => 18/499483 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499483 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499483
Image forming apparatus provided with contacting-separating member capable of moving developing roller relative to photosensitive drum Oct 31, 2023 Issued
Array ( [id] => 20849737 [patent_doc_number] => 12686761 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-21 [patent_title] => Charging roll for electrophotographic device and method for manufacturing charging roll for electrophotographic device [patent_app_type] => utility [patent_app_number] => 18/500102 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4094 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18500102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500102
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE AND METHOD FOR MANUFACTURING CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE Oct 31, 2023 Issued
Array ( [id] => 19144009 [patent_doc_number] => 20240142907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => IMAGE FORMING APPARATUS AND SHUTDOWN METHOD AT TIME OF POWER CUT-OFF [patent_app_type] => utility [patent_app_number] => 18/498786 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18498786 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498786
IMAGE FORMING APPARATUS AND SHUTDOWN METHOD AT TIME OF POWER CUT-OFF Oct 30, 2023 Abandoned
Array ( [id] => 19174162 [patent_doc_number] => 20240160136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => FIXING ROTATING MEMBER [patent_app_type] => utility [patent_app_number] => 18/490973 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490973 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/490973
Fixing rotating member, fixing device with fixing rotating member electrophotographic image forming device with fixing rotating member, and method of producing fixing rotating member Oct 19, 2023 Issued
Array ( [id] => 19625416 [patent_doc_number] => 12164244 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Toner container having an angled electrical connector [patent_app_type] => utility [patent_app_number] => 18/381762 [patent_app_country] => US [patent_app_date] => 2023-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 7447 [patent_no_of_claims] => 7 [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] => 18381762 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381762
Toner container having an angled electrical connector Oct 18, 2023 Issued
Array ( [id] => 20174410 [patent_doc_number] => 12393154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Image forming apparatus that applies a resistance force to a door of the image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/489052 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 2272 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489052 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/489052
Image forming apparatus that applies a resistance force to a door of the image forming apparatus Oct 17, 2023 Issued
Array ( [id] => 19413139 [patent_doc_number] => 12078953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Image forming apparatus and fixing unit [patent_app_type] => utility [patent_app_number] => 18/487580 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 11368 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18487580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487580
Image forming apparatus and fixing unit Oct 15, 2023 Issued
Array ( [id] => 20117115 [patent_doc_number] => 12366818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Image forming apparatus to suppress gloss unevenness [patent_app_type] => utility [patent_app_number] => 18/486069 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 27 [patent_no_of_words] => 6871 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18486069 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486069
Image forming apparatus to suppress gloss unevenness Oct 11, 2023 Issued
Array ( [id] => 19924405 [patent_doc_number] => 12298685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Image forming apparatus for maintaining cleaning performance while preventing turn-over of a contact member [patent_app_type] => utility [patent_app_number] => 18/486068 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 6743 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18486068 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486068
Image forming apparatus for maintaining cleaning performance while preventing turn-over of a contact member Oct 11, 2023 Issued
Array ( [id] => 19114446 [patent_doc_number] => 20240126196 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => FIXING BELT AND HEAT FIXING DEVICE [patent_app_type] => utility [patent_app_number] => 18/484639 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18484639 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484639
Fixing belt and heat fixing device Oct 10, 2023 Issued
Array ( [id] => 19492900 [patent_doc_number] => 12111610 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Image forming apparatus having improved mountability of a cartridge while conserving space [patent_app_type] => utility [patent_app_number] => 18/481545 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 40 [patent_no_of_words] => 13533 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481545
Image forming apparatus having improved mountability of a cartridge while conserving space Oct 4, 2023 Issued
Array ( [id] => 19732315 [patent_doc_number] => 12210311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Cartridge, attachment and mounting kit [patent_app_type] => utility [patent_app_number] => 18/372781 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 113 [patent_figures_cnt] => 113 [patent_no_of_words] => 40821 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372781 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372781
Cartridge, attachment and mounting kit Sep 25, 2023 Issued
Array ( [id] => 19956261 [patent_doc_number] => 12326674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Developing device and method of agitating initial developer inside developing device [patent_app_type] => utility [patent_app_number] => 18/473767 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 19 [patent_no_of_words] => 2173 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18473767 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/473767
Developing device and method of agitating initial developer inside developing device Sep 24, 2023 Issued
Array ( [id] => 19068995 [patent_doc_number] => 20240103421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => INFORMATION PROCESSING APPARATUS FOR DETERMINING CAUSAL PART OF CAUSE OF ERROR WHICH HAS OCCURRED IN IMAGE FORMING APPARATUS, AND NOTIFICATION METHOD OF GIVING NOTIFICATION OF CAUSAL PART OF CAUSE OF ERROR WHICH HAS OCCURRED IN IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/470303 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18470303 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/470303
Information processing apparatus for determining causal part of cause of error which has occurred in image forming apparatus, and notification method of giving notification of causal part of cause of error which has occurred in image forming apparatus Sep 18, 2023 Issued
Array ( [id] => 18880970 [patent_doc_number] => 20240004339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => IMAGE FORMING APPARATUS INCLUDING A DETACHABLE UNIT WITH POSITIONING PORTIONS [patent_app_type] => utility [patent_app_number] => 18/468878 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468878 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468878
Image forming apparatus including a detachable unit with positioning portions Sep 17, 2023 Issued
Array ( [id] => 20187174 [patent_doc_number] => 12398280 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Curable coating material for non-impact printing [patent_app_type] => utility [patent_app_number] => 18/467135 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 62658 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18467135 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467135
Curable coating material for non-impact printing Sep 13, 2023 Issued
Array ( [id] => 19764382 [patent_doc_number] => 12222672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Image forming apparatus with a transfer device [patent_app_type] => utility [patent_app_number] => 18/465788 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 28 [patent_no_of_words] => 14719 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18465788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465788
Image forming apparatus with a transfer device Sep 11, 2023 Issued
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