Search

Hoang X. Ngo

Examiner (ID: 10461, Phone: (571)272-2138 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2852, 2851
Total Applications
2724
Issued Applications
2564
Pending Applications
83
Abandoned Applications
93

Applications

Application numberTitle of the applicationFiling DateStatus
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 Issued
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 having charging brush with crimped and non-crimped fiber Aug 26, 2024 Issued
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] => 20702751 [patent_doc_number] => 12625460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [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] => 245 [patent_figures_cnt] => 245 [patent_no_of_words] => 138523 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
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] => 20773061 [patent_doc_number] => 12656731 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Image forming apparatus having process cartridge with frame and movable engaging portion [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] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 6622 [patent_no_of_claims] => 8 [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] => 18792759 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/792759
Image forming apparatus having process cartridge with frame and movable engaging portion Aug 1, 2024 Issued
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 including fixing unit that is interchangable with other fixing units and method of operating image forming apparatus Jul 30, 2024 Issued
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 for displaying sheet information Jul 17, 2024 Issued
Array ( [id] => 19558173 [patent_doc_number] => 20240369965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => IMAGE FORMING APPARATUS INCLUDING DEVELOPING GUIDE FOR GUIDING ATTACHMENT AND DETACHMENT OF DEVELOPING CARTRIDGE TO AND FROM MAIN BODY HOUSING [patent_app_type] => utility [patent_app_number] => 18/775254 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7395 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18775254 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775254
Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing Jul 16, 2024 Issued
Array ( [id] => 19710899 [patent_doc_number] => 20250021041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => IMAGE FORMING SYSTEM THAT FORMS ADJUSTMENT PATTERN FOR ADJUSTING IMAGE FORMING CONDITION [patent_app_type] => utility [patent_app_number] => 18/771864 [patent_app_country] => US [patent_app_date] => 2024-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18771864 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/771864
Image forming system that forms adjustment pattern for adjusting image forming condition Jul 11, 2024 Issued
Array ( [id] => 20716758 [patent_doc_number] => 12632004 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Image forming apparatus having main assembly and including detection of remaining toner in mountable cartridge [patent_app_type] => utility [patent_app_number] => 18/758141 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12326 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 404 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18758141 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/758141
Image forming apparatus having main assembly and including detection of remaining toner in mountable cartridge Jun 27, 2024 Issued
Array ( [id] => 20331193 [patent_doc_number] => 12461466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Image forming apparatus that stores a cumulative image formation amount [patent_app_type] => utility [patent_app_number] => 18/755925 [patent_app_country] => US [patent_app_date] => 2024-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 30 [patent_no_of_words] => 6748 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18755925 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/755925
Image forming apparatus that stores a cumulative image formation amount Jun 26, 2024 Issued
Array ( [id] => 19685866 [patent_doc_number] => 20250004411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/751052 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11423 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18751052 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/751052
Image forming apparatus including a sheet detection unit that detects physical properties of a sheet Jun 20, 2024 Issued
Array ( [id] => 19685862 [patent_doc_number] => 20250004407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/744945 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18744945 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/744945
IMAGE FORMING APPARATUS Jun 16, 2024 Abandoned
Array ( [id] => 20070317 [patent_doc_number] => 20250208539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/744687 [patent_app_country] => US [patent_app_date] => 2024-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7835 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18744687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/744687
IMAGE FORMING APPARATUS Jun 15, 2024 Pending
Array ( [id] => 20666182 [patent_doc_number] => 12607955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Image forming apparatus controlling image processing based on perforated region of recording media [patent_app_type] => utility [patent_app_number] => 18/743365 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4577 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18743365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743365
Image forming apparatus controlling image processing based on perforated region of recording media Jun 13, 2024 Issued
Array ( [id] => 20257455 [patent_doc_number] => 12429804 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Image forming system [patent_app_type] => utility [patent_app_number] => 18/731611 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 27 [patent_no_of_words] => 9630 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18731611 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/731611
Image forming system Jun 2, 2024 Issued
Array ( [id] => 19616962 [patent_doc_number] => 20240402642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING IMAGE FORMING APPARATUS, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/678664 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678664 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678664
Image forming apparatus, method for controlling image forming apparatus, and storage medium May 29, 2024 Issued
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