Search

Hoang X. Ngo

Examiner (ID: 9224)

Most Active Art Unit
2852
Art Unit(s)
2852, 2851
Total Applications
2671
Issued Applications
2536
Pending Applications
73
Abandoned Applications
93

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17345388 [patent_doc_number] => 20220011719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [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] => 17/484603 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7361 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484603 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484603
Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing Sep 23, 2021 Issued
Array ( [id] => 17345388 [patent_doc_number] => 20220011719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [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] => 17/484603 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7361 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484603 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484603
Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing Sep 23, 2021 Issued
Array ( [id] => 18303093 [patent_doc_number] => 11624993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Fixing device [patent_app_type] => utility [patent_app_number] => 17/478062 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 11099 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17478062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/478062
Fixing device Sep 16, 2021 Issued
Array ( [id] => 18330487 [patent_doc_number] => 11635725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Image forming apparatus with extended cartridge opening and cover [patent_app_type] => utility [patent_app_number] => 17/476266 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 27 [patent_no_of_words] => 8170 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476266
Image forming apparatus with extended cartridge opening and cover Sep 14, 2021 Issued
Array ( [id] => 18330487 [patent_doc_number] => 11635725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Image forming apparatus with extended cartridge opening and cover [patent_app_type] => utility [patent_app_number] => 17/476266 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 27 [patent_no_of_words] => 8170 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476266
Image forming apparatus with extended cartridge opening and cover Sep 14, 2021 Issued
Array ( [id] => 18330487 [patent_doc_number] => 11635725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Image forming apparatus with extended cartridge opening and cover [patent_app_type] => utility [patent_app_number] => 17/476266 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 27 [patent_no_of_words] => 8170 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476266
Image forming apparatus with extended cartridge opening and cover Sep 14, 2021 Issued
Array ( [id] => 17999200 [patent_doc_number] => 11500304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Developer supply container and electrophotography imaging apparatus [patent_app_type] => utility [patent_app_number] => 17/475936 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 8226 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17475936 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475936
Developer supply container and electrophotography imaging apparatus Sep 14, 2021 Issued
Array ( [id] => 18330487 [patent_doc_number] => 11635725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Image forming apparatus with extended cartridge opening and cover [patent_app_type] => utility [patent_app_number] => 17/476266 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 27 [patent_no_of_words] => 8170 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476266
Image forming apparatus with extended cartridge opening and cover Sep 14, 2021 Issued
Array ( [id] => 17316506 [patent_doc_number] => 20210405555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/473131 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17473131 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/473131
Image forming apparatus Sep 12, 2021 Issued
Array ( [id] => 17316503 [patent_doc_number] => 20210405552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/471527 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17471527 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/471527
Image forming apparatus and image forming system Sep 9, 2021 Issued
Array ( [id] => 18030270 [patent_doc_number] => 11513453 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Developing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/469936 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6285 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17469936 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/469936
Developing device and image forming apparatus Sep 8, 2021 Issued
Array ( [id] => 17861220 [patent_doc_number] => 11442376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Developing apparatus, process cartridge, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/469042 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 14450 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17469042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/469042
Developing apparatus, process cartridge, and image forming apparatus Sep 7, 2021 Issued
Array ( [id] => 17301283 [patent_doc_number] => 20210397122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CATRIDGE [patent_app_type] => utility [patent_app_number] => 17/464821 [patent_app_country] => US [patent_app_date] => 2021-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 142837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [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] => 17464821 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/464821
Electrophotographic image forming apparatus and catridge Sep 1, 2021 Issued
Array ( [id] => 17301278 [patent_doc_number] => 20210397117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => IMAGE FORMING APPARATUS AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/464542 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17464542 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/464542
Image forming apparatus and control method Aug 31, 2021 Issued
Array ( [id] => 19250627 [patent_doc_number] => 20240201617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => DEVELOPMENT DEVICE HAVING ROTATABLE WIPER WIPING OPTICAL SURFACE OF LENS [patent_app_type] => utility [patent_app_number] => 18/556028 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18556028 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/556028
Development device having rotatable wiper wiping optical surface of lens Aug 30, 2021 Issued
Array ( [id] => 17507016 [patent_doc_number] => 20220100119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/458788 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17458788 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/458788
Optical scanning device and image forming apparatus Aug 26, 2021 Issued
Array ( [id] => 17816879 [patent_doc_number] => 11422486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/460062 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 14046 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 462 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17460062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/460062
Image forming apparatus Aug 26, 2021 Issued
Array ( [id] => 17729205 [patent_doc_number] => 11385592 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/412237 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13240 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17412237 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/412237
Image forming apparatus Aug 24, 2021 Issued
Array ( [id] => 17778303 [patent_doc_number] => 20220244653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => UNIT AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/409345 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17409345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/409345
Unit and image forming apparatus for fixing a toner image with a developer including a brilliant toner containing a flat brilliant pigment Aug 22, 2021 Issued
Array ( [id] => 20202788 [patent_doc_number] => 12405566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Electrophotographic image forming apparatus, cartridge and drum unit [patent_app_type] => utility [patent_app_number] => 17/407213 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 110 [patent_figures_cnt] => 110 [patent_no_of_words] => 52305 [patent_no_of_claims] => 89 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17407213 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/407213
Electrophotographic image forming apparatus, cartridge and drum unit Aug 19, 2021 Issued
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