Search

Hoan H. Tran

Examiner (ID: 11990, Phone: (571)272-2141 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2852, 2884
Total Applications
2525
Issued Applications
2441
Pending Applications
65
Abandoned Applications
50

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19382707 [patent_doc_number] => 20240272577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => IMAGE FORMING APPARATUS INCLUDING DEVICE MAIN BODY AND CONSUMABLE ATTACHABLE THERETO AND INCLUDING CONSUMABLE MEMORY FOR STORING RECYCLING HISTORY INFORMATION [patent_app_type] => utility [patent_app_number] => 18/633100 [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] => 19266 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18633100 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/633100
Image forming apparatus including device main body and consumable attachable thereto and including consumable memory for storing recycling history information Apr 10, 2024 Issued
Array ( [id] => 19513849 [patent_doc_number] => 20240345535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => DEVELOPING CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/631304 [patent_app_country] => US [patent_app_date] => 2024-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9275 [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] => 18631304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/631304
Developing cartridge Apr 9, 2024 Issued
Array ( [id] => 19978566 [patent_doc_number] => 12346040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/628276 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 8967 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18628276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/628276
Image forming apparatus Apr 4, 2024 Issued
Array ( [id] => 19924406 [patent_doc_number] => 12298686 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/627675 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3246 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 443 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18627675 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627675
Image forming apparatus Apr 4, 2024 Issued
Array ( [id] => 20109761 [patent_doc_number] => 12360477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Developing cartridge [patent_app_type] => utility [patent_app_number] => 18/626952 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 11504 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626952
Developing cartridge Apr 3, 2024 Issued
Array ( [id] => 19513839 [patent_doc_number] => 20240345525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/626598 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626598
Image forming apparatus Apr 3, 2024 Issued
Array ( [id] => 19911386 [patent_doc_number] => 12287594 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Transfer unit and image forming apparatus including same [patent_app_type] => utility [patent_app_number] => 18/623498 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 510 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623498 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623498
Transfer unit and image forming apparatus including same Mar 31, 2024 Issued
Array ( [id] => 19978573 [patent_doc_number] => 12346047 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Image forming apparatus with reduced number of connection lines [patent_app_type] => utility [patent_app_number] => 18/618445 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3629 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18618445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618445
Image forming apparatus with reduced number of connection lines Mar 26, 2024 Issued
Array ( [id] => 19302676 [patent_doc_number] => 20240231255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => DEVELOPING CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/614106 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8892 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18614106 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/614106
Developing cartridge Mar 21, 2024 Issued
Array ( [id] => 20481515 [patent_doc_number] => 12529989 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Drum unit including drum frame to which developing cartridge is attachable, lever configured to contact portion of developing cartridge, and urging member urging lever [patent_app_type] => utility [patent_app_number] => 18/612717 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 2332 [patent_no_of_claims] => 18 [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] => 18612717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/612717
Drum unit including drum frame to which developing cartridge is attachable, lever configured to contact portion of developing cartridge, and urging member urging lever Mar 20, 2024 Issued
Array ( [id] => 19933362 [patent_doc_number] => 12306565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/604895 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1145 [patent_no_of_claims] => 3 [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] => 18604895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604895
Image forming apparatus Mar 13, 2024 Issued
Array ( [id] => 19267162 [patent_doc_number] => 20240210864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => FIXING DEVICE [patent_app_type] => utility [patent_app_number] => 18/599949 [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] => 8608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18599949 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599949
Fixing device Mar 7, 2024 Issued
Array ( [id] => 19450623 [patent_doc_number] => 20240310753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SHUTTER MECHANISM, POWDER CONTAINER, AND DEVELOPING DEVICE [patent_app_type] => utility [patent_app_number] => 18/599287 [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] => 10414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18599287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599287
Shutter mechanism, powder container, and developing device Mar 7, 2024 Issued
Array ( [id] => 19450625 [patent_doc_number] => 20240310755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/598367 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598367
Image forming apparatus Mar 6, 2024 Issued
Array ( [id] => 19382708 [patent_doc_number] => 20240272578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => DRUM CARTRIDGE HAVING ELECTRICAL CONTACT SURFACE POSITIONED AT OUTER SURFACE OF DRUM FRAME [patent_app_type] => utility [patent_app_number] => 18/585318 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585318 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585318
Drum cartridge having electrical contact surface positioned at outer surface of drum frame Feb 22, 2024 Issued
Array ( [id] => 19911387 [patent_doc_number] => 12287595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Fixing device including holder having heater supporting surface supporting heater, and contacting surface opposite heater supporting surface and in contact with stay [patent_app_type] => utility [patent_app_number] => 18/582980 [patent_app_country] => US [patent_app_date] => 2024-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 2394 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582980 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582980
Fixing device including holder having heater supporting surface supporting heater, and contacting surface opposite heater supporting surface and in contact with stay Feb 20, 2024 Issued
Array ( [id] => 20214780 [patent_doc_number] => 12411431 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Charging system and image forming system [patent_app_type] => utility [patent_app_number] => 18/444753 [patent_app_country] => US [patent_app_date] => 2024-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 5691 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18444753 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444753
Charging system and image forming system Feb 17, 2024 Issued
Array ( [id] => 19747507 [patent_doc_number] => 20250036072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/443425 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443425 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443425
Image forming apparatus Feb 15, 2024 Issued
Array ( [id] => 19710889 [patent_doc_number] => 20250021031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => IMAGE CARRIER UNIT AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/432298 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18432298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/432298
Image carrier unit and image forming apparatus Feb 4, 2024 Issued
Array ( [id] => 19941861 [patent_doc_number] => 12313988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Developing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/432254 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 3202 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18432254 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/432254
Developing device and image forming apparatus Feb 4, 2024 Issued
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