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] => 19878188 [patent_doc_number] => 20250110445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/978816 [patent_app_country] => US [patent_app_date] => 2024-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8884 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18978816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/978816
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE Dec 11, 2024 Pending
Array ( [id] => 19818579 [patent_doc_number] => 20250076786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/952794 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16474 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952794 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/952794
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM Nov 18, 2024 Pending
Array ( [id] => 20034879 [patent_doc_number] => 20250173101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/952415 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952415 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/952415
IMAGE FORMING SYSTEM Nov 18, 2024 Pending
Array ( [id] => 20026686 [patent_doc_number] => 20250164908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => IMAGE FORMING APPARATUS CAPABLE OF SUSPENDING IMAGE FORMATION OF IMAGE FORMING DEVICE WHEN ACCESS COVER IS OPEN [patent_app_type] => utility [patent_app_number] => 18/948870 [patent_app_country] => US [patent_app_date] => 2024-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18948870 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/948870
IMAGE FORMING APPARATUS CAPABLE OF SUSPENDING IMAGE FORMATION OF IMAGE FORMING DEVICE WHEN ACCESS COVER IS OPEN Nov 14, 2024 Pending
Array ( [id] => 19802178 [patent_doc_number] => 20250068103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/948159 [patent_app_country] => US [patent_app_date] => 2024-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12334 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18948159 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/948159
IMAGE FORMING APPARATUS Nov 13, 2024 Pending
Array ( [id] => 20061213 [patent_doc_number] => 20250199435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/922679 [patent_app_country] => US [patent_app_date] => 2024-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5437 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18922679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/922679
CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Oct 21, 2024 Pending
Array ( [id] => 19992296 [patent_doc_number] => 20250130518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, TONER CONTAINER, SUB-HOPPER, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/921022 [patent_app_country] => US [patent_app_date] => 2024-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18921022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/921022
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, TONER CONTAINER, SUB-HOPPER, AND IMAGE FORMING APPARATUS Oct 20, 2024 Pending
Array ( [id] => 19992301 [patent_doc_number] => 20250130523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => PRINTING SYSTEM, CONTROL METHOD FOR PRINTING SYSTEM, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/920113 [patent_app_country] => US [patent_app_date] => 2024-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4369 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18920113 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/920113
PRINTING SYSTEM, CONTROL METHOD FOR PRINTING SYSTEM, AND STORAGE MEDIUM Oct 17, 2024 Pending
Array ( [id] => 20623691 [patent_doc_number] => 12591197 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Image forming apparatus having plurality of covers [patent_app_type] => utility [patent_app_number] => 18/908195 [patent_app_country] => US [patent_app_date] => 2024-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4634 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18908195 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/908195
IMAGE FORMING APPARATUS Oct 6, 2024 Pending
Array ( [id] => 20009222 [patent_doc_number] => 20250147444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/905442 [patent_app_country] => US [patent_app_date] => 2024-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18905442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/905442
Image forming apparatus Oct 2, 2024 Issued
Array ( [id] => 19818571 [patent_doc_number] => 20250076778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => IMAGE FORMING DEVICE [patent_app_type] => utility [patent_app_number] => 18/903191 [patent_app_country] => US [patent_app_date] => 2024-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18903191 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/903191
Image forming device Sep 30, 2024 Issued
Array ( [id] => 20528665 [patent_doc_number] => 12547100 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Powder container and image forming device [patent_app_type] => utility [patent_app_number] => 18/897144 [patent_app_country] => US [patent_app_date] => 2024-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 4894 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18897144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/897144
Powder container and image forming device Sep 25, 2024 Issued
Array ( [id] => 19878180 [patent_doc_number] => 20250110437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING IMAGE FORMING APPARATUS, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/896080 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18896080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/896080
Image forming apparatus, method for controlling image forming apparatus, and storage medium Sep 24, 2024 Issued
Array ( [id] => 19694645 [patent_doc_number] => 20250013190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE PROVIDED WITH TONER RECEIVING PART FOR RECEIVING TONER [patent_app_type] => utility [patent_app_number] => 18/886174 [patent_app_country] => US [patent_app_date] => 2024-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18886174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/886174
Image forming apparatus including process cartridge provided with toner receiving part for receiving toner Sep 15, 2024 Issued
Array ( [id] => 19848455 [patent_doc_number] => 20250093806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => IMAGE FORMING SYSTEM, CONTROL PARAMETER SETTING METHOD, AND RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 18/883613 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883613
IMAGE FORMING SYSTEM, CONTROL PARAMETER SETTING METHOD, AND RECORDING MEDIUM Sep 11, 2024 Pending
Array ( [id] => 19848451 [patent_doc_number] => 20250093802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => SHEET DETECTION DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/829762 [patent_app_country] => US [patent_app_date] => 2024-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829762 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829762
Sheet detection device and image forming apparatus Sep 9, 2024 Issued
Array ( [id] => 19644596 [patent_doc_number] => 20240419116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/818801 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18818801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/818801
Image forming apparatus Aug 28, 2024 Issued
Array ( [id] => 19992293 [patent_doc_number] => 20250130515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/816050 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816050 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816050
IMAGE FORMING APPARATUS Aug 26, 2024 Pending
Array ( [id] => 19818596 [patent_doc_number] => 20250076803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => IMAGE FORMING SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/812436 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18812436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812436
IMAGE FORMING SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM Aug 21, 2024 Pending
Array ( [id] => 19632816 [patent_doc_number] => 20240411265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/806982 [patent_app_country] => US [patent_app_date] => 2024-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 142972 [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] => 18806982 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/806982
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE Aug 15, 2024 Pending
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