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] => 19595532 [patent_doc_number] => 12153372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Cleaning blade, lubricant leveling blade, process cartridge, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/275215 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 17789 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18275215 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/275215
Cleaning blade, lubricant leveling blade, process cartridge, and image forming apparatus Jan 26, 2022 Issued
Array ( [id] => 18154443 [patent_doc_number] => 11567420 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Reading apparatus [patent_app_type] => utility [patent_app_number] => 17/586636 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 27 [patent_no_of_words] => 13855 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586636 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586636
Reading apparatus Jan 26, 2022 Issued
Array ( [id] => 17778320 [patent_doc_number] => 20220244670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/584961 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17584961 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/584961
Image forming apparatus Jan 25, 2022 Issued
Array ( [id] => 18225844 [patent_doc_number] => 20230064838 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE [patent_app_type] => utility [patent_app_number] => 17/584363 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16987 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17584363 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/584363
Image forming apparatus and process cartridge Jan 24, 2022 Issued
Array ( [id] => 17763069 [patent_doc_number] => 20220236681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => IMAGE FORMING SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 17/583875 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583875 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583875
Image forming system, control method, and storage medium Jan 24, 2022 Issued
Array ( [id] => 17597394 [patent_doc_number] => 20220146968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/582772 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17582772 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/582772
IMAGE FORMING APPARATUS Jan 23, 2022 Abandoned
Array ( [id] => 18749815 [patent_doc_number] => 11809126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Charging member, charging device, process cartridge, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/582008 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 13975 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17582008 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/582008
Charging member, charging device, process cartridge, and image forming apparatus Jan 23, 2022 Issued
Array ( [id] => 18154469 [patent_doc_number] => 11567446 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Process cartridge configured of developing cartridge including electrical contact surface, and drum cartridge including electrical contact surface and lock lever [patent_app_type] => utility [patent_app_number] => 17/581487 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 6325 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17581487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/581487
Process cartridge configured of developing cartridge including electrical contact surface, and drum cartridge including electrical contact surface and lock lever Jan 20, 2022 Issued
Array ( [id] => 18052726 [patent_doc_number] => 11526106 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/579660 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 10568 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17579660 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/579660
Image forming apparatus Jan 19, 2022 Issued
Array ( [id] => 18826367 [patent_doc_number] => 11841642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-12 [patent_title] => Developer supply container [patent_app_type] => utility [patent_app_number] => 17/572069 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 19090 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572069 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572069
Developer supply container Jan 9, 2022 Issued
Array ( [id] => 18686642 [patent_doc_number] => 11782373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Image forming apparatus with function of preventing secondary infection [patent_app_type] => utility [patent_app_number] => 17/570408 [patent_app_country] => US [patent_app_date] => 2022-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 15716 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17570408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/570408
Image forming apparatus with function of preventing secondary infection Jan 6, 2022 Issued
Array ( [id] => 18330483 [patent_doc_number] => 11635721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Method for determining type of sheet by imaging sheet [patent_app_type] => utility [patent_app_number] => 17/568748 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 10597 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17568748 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/568748
Method for determining type of sheet by imaging sheet Jan 4, 2022 Issued
Array ( [id] => 19885407 [patent_doc_number] => 12271120 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Toner refill cartridge having pump for automatic toner refilling [patent_app_type] => utility [patent_app_number] => 18/292334 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 7396 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18292334 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/292334
Toner refill cartridge having pump for automatic toner refilling Jan 4, 2022 Issued
Array ( [id] => 18030272 [patent_doc_number] => 11513455 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-29 [patent_title] => Conductive roller, transfer device, process cartridge, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/567935 [patent_app_country] => US [patent_app_date] => 2022-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 9315 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567935 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567935
Conductive roller, transfer device, process cartridge, and image forming apparatus Jan 3, 2022 Issued
Array ( [id] => 18046316 [patent_doc_number] => 11520267 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Image processing method, image processing apparatus [patent_app_type] => utility [patent_app_number] => 17/558505 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 16164 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17558505 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/558505
Image processing method, image processing apparatus Dec 20, 2021 Issued
Array ( [id] => 18356387 [patent_doc_number] => 11644785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Printer with photodetector for detecting fluorescent additives in toner [patent_app_type] => utility [patent_app_number] => 17/557871 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 6544 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557871 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557871
Printer with photodetector for detecting fluorescent additives in toner Dec 20, 2021 Issued
Array ( [id] => 18765430 [patent_doc_number] => 11815828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Developing device [patent_app_type] => utility [patent_app_number] => 17/551403 [patent_app_country] => US [patent_app_date] => 2021-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 11403 [patent_no_of_claims] => 13 [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] => 17551403 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/551403
Developing device Dec 14, 2021 Issued
Array ( [id] => 18118757 [patent_doc_number] => 11550147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Optical scanning device, image forming apparatus including optical scanning device, and optical scanning method [patent_app_type] => utility [patent_app_number] => 17/550599 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 12715 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550599
Optical scanning device, image forming apparatus including optical scanning device, and optical scanning method Dec 13, 2021 Issued
Array ( [id] => 18414483 [patent_doc_number] => 11669023 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Light emitting device, optical measurement apparatus, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/547225 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 13114 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17547225 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/547225
Light emitting device, optical measurement apparatus, and image forming apparatus Dec 9, 2021 Issued
Array ( [id] => 17940004 [patent_doc_number] => 11474454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Developing device, image forming apparatus, and development control method [patent_app_type] => utility [patent_app_number] => 17/643723 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 9483 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643723 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643723
Developing device, image forming apparatus, and development control method Dec 9, 2021 Issued
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