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] => 20322811 [patent_doc_number] => 20250334899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => CHARGING ROLL FOR ELECTROPHOTOGRAPHIC APPARATUSES [patent_app_type] => utility [patent_app_number] => 19/260624 [patent_app_country] => US [patent_app_date] => 2025-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19260624 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/260624
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC APPARATUSES Jul 6, 2025 Pending
Array ( [id] => 20310476 [patent_doc_number] => 20250328105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [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] => 19/256372 [patent_app_country] => US [patent_app_date] => 2025-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 534 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19256372 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/256372
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 30, 2025 Pending
Array ( [id] => 20289762 [patent_doc_number] => 20250315005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM [patent_app_type] => utility [patent_app_number] => 19/240176 [patent_app_country] => US [patent_app_date] => 2025-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 19240176 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/240176
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM Jun 16, 2025 Pending
Array ( [id] => 20289765 [patent_doc_number] => 20250315008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIVE TO DRUM FRAME [patent_app_type] => utility [patent_app_number] => 19/239557 [patent_app_country] => US [patent_app_date] => 2025-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19239557 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/239557
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIVE TO DRUM FRAME Jun 15, 2025 Pending
Array ( [id] => 20233958 [patent_doc_number] => 20250291277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 19/226976 [patent_app_country] => US [patent_app_date] => 2025-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 19226976 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/226976
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM Jun 2, 2025 Pending
Array ( [id] => 20233971 [patent_doc_number] => 20250291290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => FIXING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/225425 [patent_app_country] => US [patent_app_date] => 2025-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19225425 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/225425
FIXING APPARATUS Jun 1, 2025 Pending
Array ( [id] => 20233956 [patent_doc_number] => 20250291275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => DEVELOPER SUPPLYING CONTAINER [patent_app_type] => utility [patent_app_number] => 19/223241 [patent_app_country] => US [patent_app_date] => 2025-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7540 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19223241 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/223241
DEVELOPER SUPPLYING CONTAINER May 29, 2025 Pending
Array ( [id] => 20221308 [patent_doc_number] => 20250284239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => ELECTROPHOTOGRAPHY CLEANING BLADE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/218900 [patent_app_country] => US [patent_app_date] => 2025-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8156 [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] => 19218900 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/218900
ELECTROPHOTOGRAPHY CLEANING BLADE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS May 26, 2025 Pending
Array ( [id] => 20221300 [patent_doc_number] => 20250284231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => IMAGE FORMATION DEVICE [patent_app_type] => utility [patent_app_number] => 19/219603 [patent_app_country] => US [patent_app_date] => 2025-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19219603 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/219603
IMAGE FORMATION DEVICE May 26, 2025 Pending
Array ( [id] => 20208317 [patent_doc_number] => 20250278037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => IMAGE FORMING APPARATUS, COMPONENT UNIT OF THE IMAGE FORMING APPARATUS, AND PROCESSING APPARATUS FOR THE COMPONENT UNIT [patent_app_type] => utility [patent_app_number] => 19/213032 [patent_app_country] => US [patent_app_date] => 2025-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 19213032 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/213032
IMAGE FORMING APPARATUS, COMPONENT UNIT OF THE IMAGE FORMING APPARATUS, AND PROCESSING APPARATUS FOR THE COMPONENT UNIT May 19, 2025 Pending
Array ( [id] => 20474565 [patent_doc_number] => 20260016786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => IMAGE-FORMING APPARATUS INCLUDING DEVELOPING UNIT AND DRUM UNIT TO WHICH TONER CONTAINER IS CONNECTABLE, AND PROCESS UNIT CONFIGURED BY THE DRUM UNIT AND DEVELOPING UNIT [patent_app_type] => utility [patent_app_number] => 19/211884 [patent_app_country] => US [patent_app_date] => 2025-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3502 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19211884 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/211884
IMAGE-FORMING APPARATUS INCLUDING DEVELOPING UNIT AND DRUM UNIT TO WHICH TONER CONTAINER IS CONNECTABLE, AND PROCESS UNIT CONFIGURED BY THE DRUM UNIT AND DEVELOPING UNIT May 18, 2025 Pending
Array ( [id] => 20322835 [patent_doc_number] => 20250334923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE AND METHOD OF RECYCLING CARTRIDGE [patent_app_type] => utility [patent_app_number] => 19/208848 [patent_app_country] => US [patent_app_date] => 2025-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19208848 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/208848
CARTRIDGE INCLUDING HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE AND METHOD OF RECYCLING CARTRIDGE May 14, 2025 Pending
Array ( [id] => 20351161 [patent_doc_number] => 20250348013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/198512 [patent_app_country] => US [patent_app_date] => 2025-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 70896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19198512 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/198512
IMAGE FORMING APPARATUS May 4, 2025 Pending
Array ( [id] => 20322825 [patent_doc_number] => 20250334913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => IMAGE FORMING APPARATUS WITH CALIBRATION FUNCTION [patent_app_type] => utility [patent_app_number] => 19/188418 [patent_app_country] => US [patent_app_date] => 2025-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19188418 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/188418
IMAGE FORMING APPARATUS WITH CALIBRATION FUNCTION Apr 23, 2025 Pending
Array ( [id] => 20151849 [patent_doc_number] => 20250251687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [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] => 19/185908 [patent_app_country] => US [patent_app_date] => 2025-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14344 [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] => 19185908 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/185908
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 Apr 21, 2025 Pending
Array ( [id] => 20122963 [patent_doc_number] => 20250237994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT CAN BE EASILY SEPARATED [patent_app_type] => utility [patent_app_number] => 19/173076 [patent_app_country] => US [patent_app_date] => 2025-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19173076 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/173076
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT CAN BE EASILY SEPARATED Apr 7, 2025 Pending
Array ( [id] => 20296291 [patent_doc_number] => 20250321534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => CONTAINER AND INSPECTION METHOD [patent_app_type] => utility [patent_app_number] => 19/171733 [patent_app_country] => US [patent_app_date] => 2025-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19171733 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/171733
CONTAINER AND INSPECTION METHOD Apr 6, 2025 Pending
Array ( [id] => 20322834 [patent_doc_number] => 20250334922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/171843 [patent_app_country] => US [patent_app_date] => 2025-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19171843 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/171843
IMAGE FORMING APPARATUS Apr 6, 2025 Pending
Array ( [id] => 20296290 [patent_doc_number] => 20250321533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/097460 [patent_app_country] => US [patent_app_date] => 2025-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19097460 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/097460
Image forming apparatus Mar 31, 2025 Issued
Array ( [id] => 20281267 [patent_doc_number] => 20250306509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/091150 [patent_app_country] => US [patent_app_date] => 2025-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19091150 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/091150
IMAGE FORMING APPARATUS Mar 25, 2025 Pending
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