Search

Hoang X. Ngo

Examiner (ID: 4085, Phone: (571)272-2138 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2851, 2852
Total Applications
2697
Issued Applications
2550
Pending Applications
73
Abandoned Applications
93

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20427969 [patent_doc_number] => 20250390059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => DRUM CARTRIDGE AND DEVELOPING CARTRIDGE CAPABLE OF SUPPRESSING VARIATION IN POSITION OF ELECTRICAL CONTACT SURFACE [patent_app_type] => utility [patent_app_number] => 19/311900 [patent_app_country] => US [patent_app_date] => 2025-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 19311900 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/311900
DRUM CARTRIDGE AND DEVELOPING CARTRIDGE CAPABLE OF SUPPRESSING VARIATION IN POSITION OF ELECTRICAL CONTACT SURFACE Aug 26, 2025 Pending
Array ( [id] => 20609622 [patent_doc_number] => 12585222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [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] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 7601 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
Array ( [id] => 20166412 [patent_doc_number] => 20250258459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => PROCESS CARTRIDGE [patent_app_type] => utility [patent_app_number] => 19/192719 [patent_app_country] => US [patent_app_date] => 2025-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19192719 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/192719
Process cartridge installable into main assembly of imaging apparatus Apr 28, 2025 Issued
Array ( [id] => 20233986 [patent_doc_number] => 20250291305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/075130 [patent_app_country] => US [patent_app_date] => 2025-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6721 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19075130 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/075130
IMAGE FORMING APPARATUS Mar 9, 2025 Pending
Array ( [id] => 20197846 [patent_doc_number] => 20250274556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD [patent_app_type] => utility [patent_app_number] => 19/065069 [patent_app_country] => US [patent_app_date] => 2025-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19065069 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/065069
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD Feb 26, 2025 Pending
Array ( [id] => 20051702 [patent_doc_number] => 20250189924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => IMAGE FORMING APPARATUS INCLUDING COVER HAVING OPENING THAT ALLOWS TONER CARTRIDGE TO PASS THERETHROUGH BUT DOES NOT ALLOW DRUM CARTRIDGE TO PASS THERETHROUGH [patent_app_type] => utility [patent_app_number] => 19/059602 [patent_app_country] => US [patent_app_date] => 2025-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8502 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19059602 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/059602
IMAGE FORMING APPARATUS INCLUDING COVER HAVING OPENING THAT ALLOWS TONER CARTRIDGE TO PASS THERETHROUGH BUT DOES NOT ALLOW DRUM CARTRIDGE TO PASS THERETHROUGH Feb 20, 2025 Pending
Array ( [id] => 20051704 [patent_doc_number] => 20250189926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => PROCESS CARTRIDGE [patent_app_type] => utility [patent_app_number] => 19/054774 [patent_app_country] => US [patent_app_date] => 2025-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37019 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19054774 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/054774
PROCESS CARTRIDGE Feb 13, 2025 Pending
Array ( [id] => 20180878 [patent_doc_number] => 20250264836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => SHEET CHARACTERISTIC DETECTION APPARATUS, IMAGE FORMING SYSTEM, AND RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 19/052680 [patent_app_country] => US [patent_app_date] => 2025-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19052680 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/052680
SHEET CHARACTERISTIC DETECTION APPARATUS, IMAGE FORMING SYSTEM, AND RECORDING MEDIUM Feb 12, 2025 Pending
Array ( [id] => 20042787 [patent_doc_number] => 20250181009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => DEVELOPING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/047835 [patent_app_country] => US [patent_app_date] => 2025-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19047835 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/047835
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS Feb 6, 2025 Pending
Array ( [id] => 20180876 [patent_doc_number] => 20250264834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => INTERMEDIATE TRANSFER UNIT, IMAGE FORMING APPARATUS INCLUDING SAME AND METHOD FOR MANUFACTURING INTERMEDIATE TRANSFER UNIT [patent_app_type] => utility [patent_app_number] => 19/048557 [patent_app_country] => US [patent_app_date] => 2025-02-07 [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] => -6 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19048557 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/048557
INTERMEDIATE TRANSFER UNIT, IMAGE FORMING APPARATUS INCLUDING SAME AND METHOD FOR MANUFACTURING INTERMEDIATE TRANSFER UNIT Feb 6, 2025 Pending
Array ( [id] => 20180867 [patent_doc_number] => 20250264825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/047140 [patent_app_country] => US [patent_app_date] => 2025-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 19047140 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/047140
IMAGE FORMING APPARATUS Feb 5, 2025 Pending
Array ( [id] => 20151850 [patent_doc_number] => 20250251688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLLING THE SAME [patent_app_type] => utility [patent_app_number] => 19/043090 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19043090 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/043090
IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLLING THE SAME Jan 30, 2025 Pending
Array ( [id] => 20034679 [patent_doc_number] => 20250172901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => CARTRIDGE [patent_app_type] => utility [patent_app_number] => 19/038815 [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] => 12232 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19038815 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/038815
CARTRIDGE Jan 27, 2025 Pending
Array ( [id] => 20137668 [patent_doc_number] => 20250244712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/039368 [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] => 22286 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 386 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19039368 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/039368
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS Jan 27, 2025 Pending
Array ( [id] => 20322833 [patent_doc_number] => 20250334921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => DEVELOPING CARTRIDGE [patent_app_type] => utility [patent_app_number] => 19/029043 [patent_app_country] => US [patent_app_date] => 2025-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19029043 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/029043
DEVELOPING CARTRIDGE Jan 16, 2025 Pending
Array ( [id] => 20151844 [patent_doc_number] => 20250251682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => ELECTROPHOTOGRAPHIC MEMBER, FIXING DEVICE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/023762 [patent_app_country] => US [patent_app_date] => 2025-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 368 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19023762 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/023762
ELECTROPHOTOGRAPHIC MEMBER, FIXING DEVICE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS Jan 15, 2025 Pending
Array ( [id] => 20009240 [patent_doc_number] => 20250147462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, CARTRIDGE AND DRUM UNIT [patent_app_type] => utility [patent_app_number] => 19/011912 [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] => 52052 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 19011912 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/011912
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, CARTRIDGE AND DRUM UNIT Jan 6, 2025 Pending
Array ( [id] => 19992305 [patent_doc_number] => 20250130527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/007729 [patent_app_country] => US [patent_app_date] => 2025-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1816 [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] => 19007729 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/007729
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS Jan 1, 2025 Pending
Array ( [id] => 20070332 [patent_doc_number] => 20250208554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/984504 [patent_app_country] => US [patent_app_date] => 2024-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18984504 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/984504
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND STORAGE MEDIUM Dec 16, 2024 Pending
Array ( [id] => 19878191 [patent_doc_number] => 20250110448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/981262 [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] => 6747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18981262 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/981262
IMAGE FORMING APPARATUS Dec 12, 2024 Pending
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