Search

Hoang X Ngo

Examiner (ID: 9224, Phone: (571)272-2138 , Office: P/2852 )

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] => 19856831 [patent_doc_number] => 12259665 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Optical scanning device and image forming apparatus including the same [patent_app_type] => utility [patent_app_number] => 18/364243 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8534 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364243
Optical scanning device and image forming apparatus including the same Aug 1, 2023 Issued
Array ( [id] => 19506343 [patent_doc_number] => 12117762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Attachment and image forming system [patent_app_type] => utility [patent_app_number] => 18/228032 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 14835 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18228032 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/228032
Attachment and image forming system Jul 30, 2023 Issued
Array ( [id] => 19739596 [patent_doc_number] => 12216424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Sheet type discrimination device, sheet type discrimination method, and sheet type discrimination program [patent_app_type] => utility [patent_app_number] => 18/227017 [patent_app_country] => US [patent_app_date] => 2023-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 14224 [patent_no_of_claims] => 13 [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] => 18227017 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/227017
Sheet type discrimination device, sheet type discrimination method, and sheet type discrimination program Jul 26, 2023 Issued
Array ( [id] => 19442732 [patent_doc_number] => 12092991 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [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] => 18/359400 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 7375 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18359400 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/359400
Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing Jul 25, 2023 Issued
Array ( [id] => 20202787 [patent_doc_number] => 12405565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Cartridge including a developer storage unit for storing developer [patent_app_type] => utility [patent_app_number] => 18/359266 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 4338 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18359266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/359266
Cartridge including a developer storage unit for storing developer Jul 25, 2023 Issued
Array ( [id] => 18924944 [patent_doc_number] => 20240027948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/225938 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18225938 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/225938
Image forming system Jul 24, 2023 Issued
Array ( [id] => 19872491 [patent_doc_number] => 12265351 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Image forming system [patent_app_type] => utility [patent_app_number] => 18/226115 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11324 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18226115 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226115
Image forming system Jul 24, 2023 Issued
Array ( [id] => 19481516 [patent_doc_number] => 20240329558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/357793 [patent_app_country] => US [patent_app_date] => 2023-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 652 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18357793 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/357793
Electrophotographic photoreceptor, process cartridge, and image forming apparatus Jul 23, 2023 Issued
Array ( [id] => 18941373 [patent_doc_number] => 20240036512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/357202 [patent_app_country] => US [patent_app_date] => 2023-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18357202 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/357202
Image forming apparatus having a fixing unit with a cable connector provided on an attachment portion Jul 23, 2023 Issued
Array ( [id] => 19779847 [patent_doc_number] => 12228879 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/357095 [patent_app_country] => US [patent_app_date] => 2023-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13310 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18357095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/357095
Image forming apparatus Jul 20, 2023 Issued
Array ( [id] => 19398283 [patent_doc_number] => 12072644 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-27 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/355558 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 9253 [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] => 18355558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355558
Image forming apparatus Jul 19, 2023 Issued
Array ( [id] => 19475373 [patent_doc_number] => 12105459 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/355664 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 22 [patent_no_of_words] => 12579 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 469 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355664 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355664
Image forming apparatus Jul 19, 2023 Issued
Array ( [id] => 19538011 [patent_doc_number] => 12130563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Image forming apparatus, control method, and non-transitory recording medium [patent_app_type] => utility [patent_app_number] => 18/355492 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 11089 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355492 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355492
Image forming apparatus, control method, and non-transitory recording medium Jul 19, 2023 Issued
Array ( [id] => 19595527 [patent_doc_number] => 12153367 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Image forming device [patent_app_type] => utility [patent_app_number] => 18/347612 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7201 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18347612 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347612
Image forming device Jul 5, 2023 Issued
Array ( [id] => 18741358 [patent_doc_number] => 20230350339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/347847 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18347847 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347847
Cartridge and image forming apparatus Jul 5, 2023 Issued
Array ( [id] => 19413128 [patent_doc_number] => 12078942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/339947 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 14907 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 521 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18339947 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/339947
Image forming apparatus Jun 21, 2023 Issued
Array ( [id] => 18710869 [patent_doc_number] => 20230333498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => DEVELOPING CARTRIDGE INCLUDING MOVABLE HOLDER FOR HOLDING ELECTRICAL CONTACT SURFACE [patent_app_type] => utility [patent_app_number] => 18/337647 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18337647 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337647
Developing cartridge including movable holder for holding electrical contact surface Jun 19, 2023 Issued
Array ( [id] => 19779846 [patent_doc_number] => 12228878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface [patent_app_type] => utility [patent_app_number] => 18/336666 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 12508 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18336666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/336666
Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface Jun 15, 2023 Issued
Array ( [id] => 19779846 [patent_doc_number] => 12228878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface [patent_app_type] => utility [patent_app_number] => 18/336666 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 12508 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18336666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/336666
Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface Jun 15, 2023 Issued
Array ( [id] => 19779846 [patent_doc_number] => 12228878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface [patent_app_type] => utility [patent_app_number] => 18/336666 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 12508 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18336666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/336666
Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface Jun 15, 2023 Issued
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