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Hoang X Ngo

Examiner (ID: 9488, Phone: (571)272-2138 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2851, 2852
Total Applications
2670
Issued Applications
2536
Pending Applications
71
Abandoned Applications
93

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20249499 [patent_doc_number] => 20250298368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => DRUM CARTRIDGE AND DEVELOPING CARTRIDGE CAPABLE OF SUPPRESSING VARIATION IN POSITION OF ELECTRICAL CONTACT SURFACE [patent_app_type] => utility [patent_app_number] => 19/232173 [patent_app_country] => US [patent_app_date] => 2025-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19232173 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/232173
DRUM CARTRIDGE AND DEVELOPING CARTRIDGE CAPABLE OF SUPPRESSING VARIATION IN POSITION OF ELECTRICAL CONTACT SURFACE Jun 8, 2025 Pending
Array ( [id] => 20061213 [patent_doc_number] => 20250199435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/922679 [patent_app_country] => US [patent_app_date] => 2024-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5437 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18922679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/922679
CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Oct 21, 2024 Pending
Array ( [id] => 19992296 [patent_doc_number] => 20250130518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, TONER CONTAINER, SUB-HOPPER, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/921022 [patent_app_country] => US [patent_app_date] => 2024-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18921022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/921022
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, TONER CONTAINER, SUB-HOPPER, AND IMAGE FORMING APPARATUS Oct 20, 2024 Pending
Array ( [id] => 20000250 [patent_doc_number] => 20250138472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/908195 [patent_app_country] => US [patent_app_date] => 2024-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4652 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18908195 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/908195
IMAGE FORMING APPARATUS Oct 6, 2024 Pending
Array ( [id] => 20009222 [patent_doc_number] => 20250147444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/905442 [patent_app_country] => US [patent_app_date] => 2024-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18905442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/905442
IMAGE FORMING APPARATUS Oct 2, 2024 Pending
Array ( [id] => 19818571 [patent_doc_number] => 20250076778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => IMAGE FORMING DEVICE [patent_app_type] => utility [patent_app_number] => 18/903191 [patent_app_country] => US [patent_app_date] => 2024-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18903191 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/903191
IMAGE FORMING DEVICE Sep 30, 2024 Pending
Array ( [id] => 19878180 [patent_doc_number] => 20250110437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING IMAGE FORMING APPARATUS, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/896080 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18896080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/896080
IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING IMAGE FORMING APPARATUS, AND STORAGE MEDIUM Sep 24, 2024 Pending
Array ( [id] => 19694645 [patent_doc_number] => 20250013190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE PROVIDED WITH TONER RECEIVING PART FOR RECEIVING TONER [patent_app_type] => utility [patent_app_number] => 18/886174 [patent_app_country] => US [patent_app_date] => 2024-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18886174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/886174
IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE PROVIDED WITH TONER RECEIVING PART FOR RECEIVING TONER Sep 15, 2024 Pending
Array ( [id] => 19848455 [patent_doc_number] => 20250093806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => IMAGE FORMING SYSTEM, CONTROL PARAMETER SETTING METHOD, AND RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 18/883613 [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] => 11458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883613
IMAGE FORMING SYSTEM, CONTROL PARAMETER SETTING METHOD, AND RECORDING MEDIUM Sep 11, 2024 Pending
Array ( [id] => 19848451 [patent_doc_number] => 20250093802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => SHEET DETECTION DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/829762 [patent_app_country] => US [patent_app_date] => 2024-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829762 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829762
SHEET DETECTION DEVICE AND IMAGE FORMING APPARATUS Sep 9, 2024 Pending
Array ( [id] => 19644596 [patent_doc_number] => 20240419116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/818801 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18818801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/818801
IMAGE FORMING APPARATUS Aug 28, 2024 Pending
Array ( [id] => 19992293 [patent_doc_number] => 20250130515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/816050 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816050 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816050
IMAGE FORMING APPARATUS Aug 26, 2024 Pending
Array ( [id] => 19818596 [patent_doc_number] => 20250076803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => IMAGE FORMING SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/812436 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18812436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812436
IMAGE FORMING SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM Aug 21, 2024 Pending
Array ( [id] => 19632816 [patent_doc_number] => 20240411265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/806982 [patent_app_country] => US [patent_app_date] => 2024-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 142972 [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] => 18806982 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/806982
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE Aug 15, 2024 Pending
Array ( [id] => 20130607 [patent_doc_number] => 12372919 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Process cartridge [patent_app_type] => utility [patent_app_number] => 18/801839 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 78 [patent_figures_cnt] => 104 [patent_no_of_words] => 32483 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18801839 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/801839
Process cartridge Aug 12, 2024 Issued
Array ( [id] => 19911394 [patent_doc_number] => 12287602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Developing cartridge [patent_app_type] => utility [patent_app_number] => 18/793699 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 55 [patent_figures_cnt] => 124 [patent_no_of_words] => 50521 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18793699 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/793699
Developing cartridge Aug 1, 2024 Issued
Array ( [id] => 19602859 [patent_doc_number] => 20240393739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/792759 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18792759 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/792759
IMAGE FORMING APPARATUS Aug 1, 2024 Pending
Array ( [id] => 19771699 [patent_doc_number] => 20250053125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => IMAGE FORMING APPARATUS AND METHOD OF OPERATING IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/789834 [patent_app_country] => US [patent_app_date] => 2024-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12697 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18789834 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789834
IMAGE FORMING APPARATUS AND METHOD OF OPERATING IMAGE FORMING APPARATUS Jul 30, 2024 Pending
Array ( [id] => 20387830 [patent_doc_number] => 12487556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Cartridge and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/785667 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 56 [patent_figures_cnt] => 83 [patent_no_of_words] => 14199 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18785667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785667
Cartridge and image forming apparatus Jul 25, 2024 Issued
Array ( [id] => 19725518 [patent_doc_number] => 20250028269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/776804 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18776804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776804
IMAGE FORMING APPARATUS Jul 17, 2024 Pending
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