Search

Hoang X. Ngo

Examiner (ID: 10461, Phone: (571)272-2138 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2852, 2851
Total Applications
2724
Issued Applications
2564
Pending Applications
83
Abandoned Applications
93

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20427969 [patent_doc_number] => 20250390059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => DRUM CARTRIDGE AND DEVELOPING CARTRIDGE CAPABLE OF SUPPRESSING VARIATION IN POSITION OF ELECTRICAL CONTACT SURFACE [patent_app_type] => utility [patent_app_number] => 19/311900 [patent_app_country] => US [patent_app_date] => 2025-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 19311900 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/311900
Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface Aug 26, 2025 Issued
Array ( [id] => 20394929 [patent_doc_number] => 20250370404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/298665 [patent_app_country] => US [patent_app_date] => 2025-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 19298665 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/298665
IMAGE FORMING APPARATUS Aug 12, 2025 Pending
Array ( [id] => 20322836 [patent_doc_number] => 20250334924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/262512 [patent_app_country] => US [patent_app_date] => 2025-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19262512 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/262512
CARTRIDGE AND IMAGE FORMING APPARATUS Jul 7, 2025 Pending
Array ( [id] => 20460673 [patent_doc_number] => 20260010098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/254116 [patent_app_country] => US [patent_app_date] => 2025-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 423 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19254116 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/254116
IMAGE FORMING APPARATUS Jun 29, 2025 Pending
Array ( [id] => 20289749 [patent_doc_number] => 20250314992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/242806 [patent_app_country] => US [patent_app_date] => 2025-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7929 [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] => 19242806 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/242806
IMAGE FORMING APPARATUS Jun 17, 2025 Pending
Array ( [id] => 20427964 [patent_doc_number] => 20250390054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/240432 [patent_app_country] => US [patent_app_date] => 2025-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 19240432 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/240432
IMAGE FORMING APPARATUS Jun 16, 2025 Pending
Array ( [id] => 20421536 [patent_doc_number] => 20250383621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => CLEANING BLADE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/233169 [patent_app_country] => US [patent_app_date] => 2025-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19233169 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/233169
CLEANING BLADE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Jun 9, 2025 Pending
Array ( [id] => 20609622 [patent_doc_number] => 12585222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface [patent_app_type] => utility [patent_app_number] => 19/232173 [patent_app_country] => US [patent_app_date] => 2025-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 7601 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19232173 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/232173
Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface Jun 8, 2025 Issued
Array ( [id] => 20394906 [patent_doc_number] => 20250370381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => IMAGE FORMING APPARATUS AND INTERMEDIARY TRANSFER UNIT [patent_app_type] => utility [patent_app_number] => 19/225595 [patent_app_country] => US [patent_app_date] => 2025-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12620 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19225595 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/225595
IMAGE FORMING APPARATUS AND INTERMEDIARY TRANSFER UNIT Jun 1, 2025 Pending
Array ( [id] => 20394888 [patent_doc_number] => 20250370363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/217010 [patent_app_country] => US [patent_app_date] => 2025-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19217010 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/217010
IMAGE FORMING APPARATUS May 22, 2025 Pending
Array ( [id] => 20351162 [patent_doc_number] => 20250348014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/198554 [patent_app_country] => US [patent_app_date] => 2025-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 69865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19198554 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/198554
IMAGE FORMING APPARATUS May 4, 2025 Pending
Array ( [id] => 20351183 [patent_doc_number] => 20250348035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/197126 [patent_app_country] => US [patent_app_date] => 2025-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1850 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19197126 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/197126
IMAGE FORMING APPARATUS May 1, 2025 Pending
Array ( [id] => 20166412 [patent_doc_number] => 20250258459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => PROCESS CARTRIDGE [patent_app_type] => utility [patent_app_number] => 19/192719 [patent_app_country] => US [patent_app_date] => 2025-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19192719 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/192719
Process cartridge installable into main assembly of imaging apparatus Apr 28, 2025 Issued
Array ( [id] => 20322809 [patent_doc_number] => 20250334897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/191623 [patent_app_country] => US [patent_app_date] => 2025-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21775 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 19191623 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/191623
IMAGE FORMING APPARATUS Apr 27, 2025 Pending
Array ( [id] => 20601422 [patent_doc_number] => 20260079431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/180132 [patent_app_country] => US [patent_app_date] => 2025-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19180132 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/180132
HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS Apr 15, 2025 Pending
Array ( [id] => 20723749 [patent_doc_number] => 20260140458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-21 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/181273 [patent_app_country] => US [patent_app_date] => 2025-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19181273 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/181273
IMAGE FORMING APPARATUS Apr 15, 2025 Pending
Array ( [id] => 20296281 [patent_doc_number] => 20250321524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => IMAGE FORMING APPARATUS AND INFORMATION PROCESSING DEVICE [patent_app_type] => utility [patent_app_number] => 19/176781 [patent_app_country] => US [patent_app_date] => 2025-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19176781 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/176781
IMAGE FORMING APPARATUS AND INFORMATION PROCESSING DEVICE Apr 10, 2025 Pending
Array ( [id] => 20101587 [patent_doc_number] => 20250231523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => CONTAINER AND METHOD FOR MANUFACTURING CONTAINER [patent_app_type] => utility [patent_app_number] => 19/170945 [patent_app_country] => US [patent_app_date] => 2025-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19170945 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/170945
CONTAINER AND METHOD FOR MANUFACTURING CONTAINER Apr 3, 2025 Pending
Array ( [id] => 20296284 [patent_doc_number] => 20250321527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => FIXING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/097411 [patent_app_country] => US [patent_app_date] => 2025-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19097411 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/097411
FIXING DEVICE AND IMAGE FORMING APPARATUS Mar 31, 2025 Pending
Array ( [id] => 20094758 [patent_doc_number] => 20250224694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE [patent_app_type] => utility [patent_app_number] => 19/092290 [patent_app_country] => US [patent_app_date] => 2025-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 138752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 19092290 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/092290
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE Mar 26, 2025 Pending
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