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] => 20421531 [patent_doc_number] => 20250383616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => ENDLESS BELT, INTERMEDIATE TRANSFER BELT, TRANSFER DEVICE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/058022 [patent_app_country] => US [patent_app_date] => 2025-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7769 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19058022 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/058022
ENDLESS BELT, INTERMEDIATE TRANSFER BELT, TRANSFER DEVICE, AND IMAGE FORMING APPARATUS Feb 19, 2025 Pending
Array ( [id] => 20233978 [patent_doc_number] => 20250291297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/057411 [patent_app_country] => US [patent_app_date] => 2025-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19057411 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/057411
IMAGE FORMING APPARATUS Feb 18, 2025 Pending
Array ( [id] => 20773063 [patent_doc_number] => 12656733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 19/052230 [patent_app_country] => US [patent_app_date] => 2025-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 1 [patent_no_of_words] => 2356 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19052230 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/052230
Image forming apparatus Feb 11, 2025 Issued
Array ( [id] => 20380132 [patent_doc_number] => 20250362625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/048964 [patent_app_country] => US [patent_app_date] => 2025-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19048964 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/048964
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Feb 9, 2025 Issued
Array ( [id] => 20180870 [patent_doc_number] => 20250264828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => DEVELOPING DEVICE [patent_app_type] => utility [patent_app_number] => 19/039991 [patent_app_country] => US [patent_app_date] => 2025-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19039991 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/039991
DEVELOPING DEVICE Jan 28, 2025 Pending
Array ( [id] => 20034670 [patent_doc_number] => 20250172892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/039361 [patent_app_country] => US [patent_app_date] => 2025-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6329 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19039361 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/039361
IMAGE FORMING APPARATUS Jan 27, 2025 Pending
Array ( [id] => 20034672 [patent_doc_number] => 20250172894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => FIXING DEVICE [patent_app_type] => utility [patent_app_number] => 19/039748 [patent_app_country] => US [patent_app_date] => 2025-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19039748 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/039748
FIXING DEVICE Jan 27, 2025 Pending
Array ( [id] => 20897542 [patent_doc_number] => 12704806 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-11 [patent_title] => Optical scanning device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 19/036911 [patent_app_country] => US [patent_app_date] => 2025-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 1142 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19036911 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/036911
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS Jan 23, 2025 Pending
Array ( [id] => 20151856 [patent_doc_number] => 20250251694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => PRINTER AND INTEGRATED LIGHT SOURCE MODULE THEREOF [patent_app_type] => utility [patent_app_number] => 19/032461 [patent_app_country] => US [patent_app_date] => 2025-01-21 [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] => -10 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19032461 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/032461
PRINTER AND INTEGRATED LIGHT SOURCE MODULE THEREOF Jan 20, 2025 Pending
Array ( [id] => 20137657 [patent_doc_number] => 20250244701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => FIXING UNIT AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/019691 [patent_app_country] => US [patent_app_date] => 2025-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4228 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 19019691 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/019691
Fixing unit and image forming apparatus Jan 13, 2025 Issued
Array ( [id] => 20835331 [patent_doc_number] => 20260194839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-07-09 [patent_title] => PRINTER APPARATUS WITH UPSTREAM TONER RECYCLING FUNCTION [patent_app_type] => utility [patent_app_number] => 19/012225 [patent_app_country] => US [patent_app_date] => 2025-01-07 [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] => -9 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19012225 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/012225
PRINTER APPARATUS WITH UPSTREAM TONER RECYCLING FUNCTION Jan 6, 2025 Pending
Array ( [id] => 20070338 [patent_doc_number] => 20250208560 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/991428 [patent_app_country] => US [patent_app_date] => 2024-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1095 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18991428 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/991428
Image forming apparatus Dec 20, 2024 Issued
Array ( [id] => 20061237 [patent_doc_number] => 20250199459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => DEVELOPING CARTRIDGE INCLUDING FIRST FRAME SUPPORTING DEVELOPING ROLLER AND HAVING LOAD RECEIVING SURFACE, AND SECOND FRAME FIXED TO FIRST FRAME [patent_app_type] => utility [patent_app_number] => 18/989675 [patent_app_country] => US [patent_app_date] => 2024-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5763 [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] => 18989675 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/989675
Developing cartridge including first frame supporting developing roller and having load receiving surface, and second frame fixed to first frame Dec 19, 2024 Issued
Array ( [id] => 20070311 [patent_doc_number] => 20250208533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/987617 [patent_app_country] => US [patent_app_date] => 2024-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10373 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18987617 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/987617
Image forming apparatus Dec 18, 2024 Issued
Array ( [id] => 20070310 [patent_doc_number] => 20250208532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/986749 [patent_app_country] => US [patent_app_date] => 2024-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18986749 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/986749
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Dec 18, 2024 Pending
Array ( [id] => 20061236 [patent_doc_number] => 20250199458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/982662 [patent_app_country] => US [patent_app_date] => 2024-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18982662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/982662
Image forming apparatus Dec 15, 2024 Issued
Array ( [id] => 20070314 [patent_doc_number] => 20250208536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/982033 [patent_app_country] => US [patent_app_date] => 2024-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18982033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/982033
Image forming apparatus Dec 15, 2024 Issued
Array ( [id] => 19878166 [patent_doc_number] => 20250110423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => TONER CARTRIDGE, DEVELOPING CARTRIDGE, IMAGE FORMING APPARATUS AND TONER DISCHARGING MEMBER [patent_app_type] => utility [patent_app_number] => 18/980291 [patent_app_country] => US [patent_app_date] => 2024-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 105701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -44 [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] => 18980291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/980291
TONER CARTRIDGE, DEVELOPING CARTRIDGE, IMAGE FORMING APPARATUS AND TONER DISCHARGING MEMBER Dec 12, 2024 Pending
Array ( [id] => 19878190 [patent_doc_number] => 20250110447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IMAGE FORMING APPARATUS INCLUDING MOVABLE DRAWER HAVING GUIDE SURFACE FOR GUIDING ATTACHMENT OF PROCESS CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/980170 [patent_app_country] => US [patent_app_date] => 2024-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9057 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18980170 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/980170
Image forming apparatus including movable drawer having guide surface for guiding attachment of process cartridge Dec 12, 2024 Issued
Array ( [id] => 20689040 [patent_doc_number] => 12619188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Printing system, method of controlling the same, and storage medium [patent_app_type] => utility [patent_app_number] => 18/981109 [patent_app_country] => US [patent_app_date] => 2024-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 1050 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18981109 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/981109
Printing system, method of controlling the same, and storage medium Dec 12, 2024 Issued
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