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] => 19595531 [patent_doc_number] => 12153371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Image forming apparatus and process cartridge [patent_app_type] => utility [patent_app_number] => 18/451592 [patent_app_country] => US [patent_app_date] => 2023-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 25940 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18451592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/451592
Image forming apparatus and process cartridge Aug 16, 2023 Issued
Array ( [id] => 18989399 [patent_doc_number] => 20240061368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/449214 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449214
Image forming apparatus including particular gear-shaft configuration Aug 13, 2023 Issued
Array ( [id] => 19522490 [patent_doc_number] => 12124210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Developing cartridge including casing, and first lever pivotally movable about shaft thereof relative to casing [patent_app_type] => utility [patent_app_number] => 18/448418 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6418 [patent_no_of_claims] => 8 [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] => 18448418 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448418
Developing cartridge including casing, and first lever pivotally movable about shaft thereof relative to casing Aug 10, 2023 Issued
Array ( [id] => 19772068 [patent_doc_number] => 20250053494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => IMAGE FORMING APPARATUS AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/447420 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447420 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447420
Image forming apparatus and control method Aug 9, 2023 Issued
Array ( [id] => 18846567 [patent_doc_number] => 20230408971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIVE TO DRUM FRAME [patent_app_type] => utility [patent_app_number] => 18/366360 [patent_app_country] => US [patent_app_date] => 2023-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366360 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/366360
Drum cartridge including electrical contact surface movable relative to drum frame Aug 6, 2023 Issued
Array ( [id] => 19464285 [patent_doc_number] => 20240317954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => FILM, MEMBER, TRANSFER DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/365335 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/365335
Film, member, transfer device, fixing device, and image forming apparatus Aug 3, 2023 Issued
Array ( [id] => 19312904 [patent_doc_number] => 12038715 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Cam driver, transfer device, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/363080 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 10202 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18363080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363080
Cam driver, transfer device, and image forming apparatus Jul 31, 2023 Issued
Array ( [id] => 19779837 [patent_doc_number] => 12228869 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Transfer device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/362547 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 11912 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18362547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/362547
Transfer device and image forming apparatus Jul 30, 2023 Issued
Array ( [id] => 18957030 [patent_doc_number] => 20240045357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => FIXING APPARATUS AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/360925 [patent_app_country] => US [patent_app_date] => 2023-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14212 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18360925 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/360925
Fixing apparatus and image forming apparatus Jul 27, 2023 Issued
Array ( [id] => 19703138 [patent_doc_number] => 12197162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Cleaning device and powder processing apparatus using same [patent_app_type] => utility [patent_app_number] => 18/357738 [patent_app_country] => US [patent_app_date] => 2023-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 8615 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18357738 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/357738
Cleaning device and powder processing apparatus using same Jul 23, 2023 Issued
Array ( [id] => 18941354 [patent_doc_number] => 20240036493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/354776 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 444 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18354776 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/354776
Cartridge and image forming apparatus Jul 18, 2023 Issued
Array ( [id] => 19949754 [patent_doc_number] => 12321115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Heating apparatus and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/353771 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 5528 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18353771 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/353771
Heating apparatus and image forming apparatus Jul 16, 2023 Issued
Array ( [id] => 18924932 [patent_doc_number] => 20240027936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/350616 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350616 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350616
Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up Jul 10, 2023 Issued
Array ( [id] => 18924953 [patent_doc_number] => 20240027957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/350310 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350310 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350310
Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up Jul 10, 2023 Issued
Array ( [id] => 19475352 [patent_doc_number] => 12105436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Charging roll for electrophotographic equipment [patent_app_type] => utility [patent_app_number] => 18/348336 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 11931 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348336
Charging roll for electrophotographic equipment Jul 5, 2023 Issued
Array ( [id] => 19426470 [patent_doc_number] => 12085882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Drawing apparatus and recording apparatus [patent_app_type] => utility [patent_app_number] => 18/344606 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 10341 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18344606 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/344606
Drawing apparatus and recording apparatus Jun 28, 2023 Issued
Array ( [id] => 18863742 [patent_doc_number] => 20230418178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/339008 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 455 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18339008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/339008
Image forming apparatus including discharge member that supply discharge current to intermediate transfer belt onto which toner image is trnasferred Jun 20, 2023 Issued
Array ( [id] => 18863788 [patent_doc_number] => 20230418224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/335693 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18335693 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/335693
Image forming apparatus having widthwisely extending exhaust fan Jun 14, 2023 Issued
Array ( [id] => 19506345 [patent_doc_number] => 12117764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Toner cartridge [patent_app_type] => utility [patent_app_number] => 18/210147 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10043 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18210147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/210147
Toner cartridge Jun 14, 2023 Issued
Array ( [id] => 19625433 [patent_doc_number] => 12164262 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Image forming apparatus including particularly arranged driving mechanism [patent_app_type] => utility [patent_app_number] => 18/334607 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 10113 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 376 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334607 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334607
Image forming apparatus including particularly arranged driving mechanism Jun 13, 2023 Issued
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