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] => 19703121 [patent_doc_number] => 12197145 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-14 [patent_title] => Developing cartridge [patent_app_type] => utility [patent_app_number] => 18/892182 [patent_app_country] => US [patent_app_date] => 2024-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 54 [patent_no_of_words] => 14581 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [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] => 18892182 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/892182
Developing cartridge Sep 19, 2024 Issued
Array ( [id] => 19878185 [patent_doc_number] => 20250110442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND EXTERNAL UNIT [patent_app_type] => utility [patent_app_number] => 18/889618 [patent_app_country] => US [patent_app_date] => 2024-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18889618 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/889618
Image forming apparatus, image forming system, and external unit Sep 18, 2024 Issued
Array ( [id] => 19694642 [patent_doc_number] => 20250013187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => CARTRIDGE INCLUDING HOLDER THAT FACILITATES RECYCLING OF STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/889526 [patent_app_country] => US [patent_app_date] => 2024-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18889526 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/889526
Cartridge including holder that facilitates recycling of storage medium Sep 18, 2024 Issued
Array ( [id] => 19697352 [patent_doc_number] => 20250015897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => OPTICAL COHERENT RECEIVER HAVING AN OPTICAL HYBRID CONFIGURATION WITH REDUCED PHASE ERROR [patent_app_type] => utility [patent_app_number] => 18/888543 [patent_app_country] => US [patent_app_date] => 2024-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18888543 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/888543
Optical coherent receiver having an optical hybrid configuration with reduced phase error Sep 17, 2024 Issued
Array ( [id] => 19848446 [patent_doc_number] => 20250093797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => REUSABLE TONER CONTAINER [patent_app_type] => utility [patent_app_number] => 18/883377 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18883377 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883377
Reusable toner container Sep 11, 2024 Issued
Array ( [id] => 20009081 [patent_doc_number] => 20250147303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => LASER SCANNING UNIT AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/882577 [patent_app_country] => US [patent_app_date] => 2024-09-11 [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] => -2 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18882577 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/882577
Laser scanning unit and image forming apparatus Sep 10, 2024 Issued
Array ( [id] => 20528663 [patent_doc_number] => 12547098 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Toner container and image forming system [patent_app_type] => utility [patent_app_number] => 18/828503 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 43 [patent_no_of_words] => 8822 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18828503 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/828503
Toner container and image forming system Sep 8, 2024 Issued
Array ( [id] => 20387828 [patent_doc_number] => 12487554 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Developing agent container and imaging device [patent_app_type] => utility [patent_app_number] => 18/825136 [patent_app_country] => US [patent_app_date] => 2024-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 44 [patent_no_of_words] => 6345 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18825136 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/825136
Developing agent container and imaging device Sep 4, 2024 Issued
Array ( [id] => 20403288 [patent_doc_number] => 12493261 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/821941 [patent_app_country] => US [patent_app_date] => 2024-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 4374 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18821941 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/821941
Image forming apparatus Aug 29, 2024 Issued
Array ( [id] => 20440007 [patent_doc_number] => 12510842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/816755 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8807 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816755
Image forming apparatus Aug 26, 2024 Issued
Array ( [id] => 20387831 [patent_doc_number] => 12487557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Image forming apparatus including toner cartridge that is detachable from housing with drum cartridge kept attached to housing [patent_app_type] => utility [patent_app_number] => 18/813318 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10657 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18813318 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/813318
Image forming apparatus including toner cartridge that is detachable from housing with drum cartridge kept attached to housing Aug 22, 2024 Issued
Array ( [id] => 20440009 [patent_doc_number] => 12510844 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Toner accommodating container [patent_app_type] => utility [patent_app_number] => 18/812648 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 8019 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18812648 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812648
Toner accommodating container Aug 21, 2024 Issued
Array ( [id] => 20440023 [patent_doc_number] => 12510858 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/796495 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 31 [patent_no_of_words] => 10060 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [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] => 18796495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/796495
Image forming apparatus Aug 6, 2024 Issued
Array ( [id] => 20257450 [patent_doc_number] => 12429799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Toner cartridge and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/791892 [patent_app_country] => US [patent_app_date] => 2024-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 18791892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/791892
Toner cartridge and image forming apparatus Jul 31, 2024 Issued
Array ( [id] => 20702747 [patent_doc_number] => 12625456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Image forming apparatus and manufacturing method for frame of image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/788984 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 1222 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788984 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788984
Image forming apparatus and manufacturing method for frame of image forming apparatus Jul 29, 2024 Issued
Array ( [id] => 19588015 [patent_doc_number] => 20240385572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/788761 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788761
IMAGE FORMING APPARATUS Jul 29, 2024 Pending
Array ( [id] => 20228243 [patent_doc_number] => 12416893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/786063 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 1044 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18786063 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786063
Image forming apparatus Jul 25, 2024 Issued
Array ( [id] => 19756154 [patent_doc_number] => 20250044719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/785412 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18785412 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785412
Image forming apparatus Jul 25, 2024 Issued
Array ( [id] => 19818576 [patent_doc_number] => 20250076783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => CARRIER FOR ELECTROSTATIC IMAGE DEVELOPMENT, ELECTROSTATIC IMAGE DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD [patent_app_type] => utility [patent_app_number] => 18/785270 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18785270 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785270
Carrier for electrostatic image development, electrostatic image developer, process cartridge, image forming apparatus, and image forming method Jul 25, 2024 Issued
Array ( [id] => 20214786 [patent_doc_number] => 12411437 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Toner container and image forming apparatus including the toner container [patent_app_type] => utility [patent_app_number] => 18/779358 [patent_app_country] => US [patent_app_date] => 2024-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 1134 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18779358 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/779358
Toner container and image forming apparatus including the toner container Jul 21, 2024 Issued
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