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] => 19143995 [patent_doc_number] => 20240142893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => TONER CONTAINER AND IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/491231 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18491231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/491231
Toner container and image forming system Oct 19, 2023 Issued
Array ( [id] => 19885414 [patent_doc_number] => 12271127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Pressing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/378655 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 8077 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18378655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/378655
Pressing device and image forming apparatus Oct 10, 2023 Issued
Array ( [id] => 19885414 [patent_doc_number] => 12271127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Pressing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/378655 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 8077 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18378655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/378655
Pressing device and image forming apparatus Oct 10, 2023 Issued
Array ( [id] => 18941374 [patent_doc_number] => 20240036513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CATRIDGE [patent_app_type] => utility [patent_app_number] => 18/377859 [patent_app_country] => US [patent_app_date] => 2023-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 142845 [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] => 18377859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377859
Electrophotographic image forming apparatus and cartridge Oct 8, 2023 Issued
Array ( [id] => 18941374 [patent_doc_number] => 20240036513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CATRIDGE [patent_app_type] => utility [patent_app_number] => 18/377859 [patent_app_country] => US [patent_app_date] => 2023-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 142845 [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] => 18377859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377859
Electrophotographic image forming apparatus and cartridge Oct 8, 2023 Issued
Array ( [id] => 18941374 [patent_doc_number] => 20240036513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CATRIDGE [patent_app_type] => utility [patent_app_number] => 18/377859 [patent_app_country] => US [patent_app_date] => 2023-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 142845 [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] => 18377859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377859
Electrophotographic image forming apparatus and cartridge Oct 8, 2023 Issued
Array ( [id] => 18941374 [patent_doc_number] => 20240036513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CATRIDGE [patent_app_type] => utility [patent_app_number] => 18/377859 [patent_app_country] => US [patent_app_date] => 2023-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 142845 [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] => 18377859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377859
Electrophotographic image forming apparatus and cartridge Oct 8, 2023 Issued
Array ( [id] => 19949750 [patent_doc_number] => 12321111 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/377373 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 49 [patent_no_of_words] => 9327 [patent_no_of_claims] => 17 [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] => 18377373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377373
Image forming apparatus Oct 5, 2023 Issued
Array ( [id] => 19703143 [patent_doc_number] => 12197167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Structure for connecting plurality of chassis in image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/479171 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 30 [patent_no_of_words] => 9046 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479171 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479171
Structure for connecting plurality of chassis in image forming apparatus Oct 1, 2023 Issued
Array ( [id] => 19703143 [patent_doc_number] => 12197167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Structure for connecting plurality of chassis in image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/479171 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 30 [patent_no_of_words] => 9046 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479171 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479171
Structure for connecting plurality of chassis in image forming apparatus Oct 1, 2023 Issued
Array ( [id] => 19538026 [patent_doc_number] => 12130578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/472828 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6729 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18472828 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472828
Image forming apparatus Sep 21, 2023 Issued
Array ( [id] => 19068991 [patent_doc_number] => 20240103417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => FIXING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/472753 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6373 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18472753 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472753
Fixing device and image forming apparatus Sep 21, 2023 Issued
Array ( [id] => 18880967 [patent_doc_number] => 20240004336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => CONDUCTIVE SHEET AND SHEET BUNDLE PACKAGE [patent_app_type] => utility [patent_app_number] => 18/469281 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469281
Conductive sheet and sheet bundle package Sep 17, 2023 Issued
Array ( [id] => 19114438 [patent_doc_number] => 20240126188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => DEVELOPING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/367029 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18367029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/367029
Developing device and image forming apparatus Sep 11, 2023 Issued
Array ( [id] => 19036013 [patent_doc_number] => 20240085828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => INTERMEDIATE TRANSFER MEMBER, IMAGE FORMING APPARATUS, AND PRODUCTION DEVICE FOR POLYMER MIXTURE [patent_app_type] => utility [patent_app_number] => 18/464070 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464070
Intermediate transfer member, image forming apparatus, and production device for polymer mixture Sep 7, 2023 Issued
Array ( [id] => 19036022 [patent_doc_number] => 20240085837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => IMAGE FORMING APPARATUS THE CONTROLS OPERATION DEPENDING ON WHETHER SHOW-THROUGH OF SHEET IS DETECTED [patent_app_type] => utility [patent_app_number] => 18/243890 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18243890 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/243890
Image forming apparatus the controls operation depending on whether show-through of sheet is detected Sep 7, 2023 Issued
Array ( [id] => 19581060 [patent_doc_number] => 12147172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Developing device, cleaning method, process cartridge and electrophotographic image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/463431 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 34377 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463431
Developing device, cleaning method, process cartridge and electrophotographic image forming apparatus Sep 7, 2023 Issued
Array ( [id] => 18863758 [patent_doc_number] => 20230418194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => IMAGE FORMING APPARATUS AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/462718 [patent_app_country] => US [patent_app_date] => 2023-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18462718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/462718
Image forming apparatus and control method Sep 6, 2023 Issued
Array ( [id] => 19739598 [patent_doc_number] => 12216426 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Image forming apparatus controlling formation of test images based on recording material type [patent_app_type] => utility [patent_app_number] => 18/243451 [patent_app_country] => US [patent_app_date] => 2023-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 19256 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18243451 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/243451
Image forming apparatus controlling formation of test images based on recording material type Sep 6, 2023 Issued
Array ( [id] => 19652782 [patent_doc_number] => 12174564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/461428 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 12255 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18461428 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/461428
Image forming apparatus Sep 4, 2023 Issued
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