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] => 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
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] => 18846560 [patent_doc_number] => 20230408964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/332143 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 598 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332143 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332143
Image forming apparatus Jun 8, 2023 Issued
Array ( [id] => 18863777 [patent_doc_number] => 20230418213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/207190 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 348 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207190
Cartridge and image forming apparatus Jun 7, 2023 Issued
Array ( [id] => 18677359 [patent_doc_number] => 20230315005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE PROVIDED WITH TONER RECEIVING PART FOR RECEIVING TONER [patent_app_type] => utility [patent_app_number] => 18/329822 [patent_app_country] => US [patent_app_date] => 2023-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8155 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18329822 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/329822
Image forming apparatus including process cartridge provided with toner receiving part for receiving toner Jun 5, 2023 Issued
Array ( [id] => 19856844 [patent_doc_number] => 12259678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Image forming apparatus including cover having opening that allows toner cartridge to pass therethrough but does not allow drum cartridge to pass therethrough [patent_app_type] => utility [patent_app_number] => 18/328986 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 13264 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18328986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/328986
Image forming apparatus including cover having opening that allows toner cartridge to pass therethrough but does not allow drum cartridge to pass therethrough Jun 4, 2023 Issued
Array ( [id] => 19732320 [patent_doc_number] => 12210316 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/320120 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 6721 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320120
Image forming apparatus May 17, 2023 Issued
Array ( [id] => 19122194 [patent_doc_number] => 11966174 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Electrophotographic member, electrophotographic process cartridge, and electrophotographic image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/318217 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 15822 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18318217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/318217
Electrophotographic member, electrophotographic process cartridge, and electrophotographic image forming apparatus May 15, 2023 Issued
Array ( [id] => 18787629 [patent_doc_number] => 20230375970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/316447 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316447 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316447
IMAGE FORMING APPARATUS May 11, 2023 Abandoned
Array ( [id] => 18613939 [patent_doc_number] => 20230280676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Developing Unit Having Guide that Stably Supports Toner Cartridge [patent_app_type] => utility [patent_app_number] => 18/315682 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315682
Developing unit having guide that stably supports toner cartridge May 10, 2023 Issued
Array ( [id] => 18787625 [patent_doc_number] => 20230375966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME [patent_app_type] => utility [patent_app_number] => 18/144854 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27743 [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] => 18144854 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144854
Fixing device and image forming apparatus incorporating same May 8, 2023 Issued
Array ( [id] => 20506881 [patent_doc_number] => 12541156 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/311247 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 13201 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311247 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311247
Image forming apparatus May 2, 2023 Issued
Array ( [id] => 19413141 [patent_doc_number] => 12078955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/299902 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 11811 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299902 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299902
Image forming apparatus Apr 12, 2023 Issued
Array ( [id] => 19136733 [patent_doc_number] => 11971682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Cartridge and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/298192 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 15850 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298192
Cartridge and image forming apparatus Apr 9, 2023 Issued
Array ( [id] => 19475355 [patent_doc_number] => 12105440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Image forming apparatus, image forming method, and non-transitory recording medium [patent_app_type] => utility [patent_app_number] => 18/192160 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5560 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [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] => 18192160 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/192160
Image forming apparatus, image forming method, and non-transitory recording medium Mar 28, 2023 Issued
Array ( [id] => 19259335 [patent_doc_number] => 12019389 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/191316 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 10936 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18191316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/191316
Image forming apparatus Mar 27, 2023 Issued
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