
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19189495
[patent_doc_number] => 20240168408
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-23
[patent_title] => DEVELOPER CARTRIDGE AND IMAGE FORMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/427966
[patent_app_country] => US
[patent_app_date] => 2024-01-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10117
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 69
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18427966
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/427966 | Developer cartridge and image forming apparatus | Jan 30, 2024 | Issued |
Array
(
[id] => 20145337
[patent_doc_number] => 12379679
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-08-05
[patent_title] => Image forming apparatus
[patent_app_type] => utility
[patent_app_number] => 18/424489
[patent_app_country] => US
[patent_app_date] => 2024-01-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 26
[patent_figures_cnt] => 35
[patent_no_of_words] => 7967
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 245
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18424489
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/424489 | Image forming apparatus | Jan 25, 2024 | Issued |
Array
(
[id] => 19905283
[patent_doc_number] => 12282288
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-04-22
[patent_title] => Image forming apparatus
[patent_app_type] => utility
[patent_app_number] => 18/407640
[patent_app_country] => US
[patent_app_date] => 2024-01-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 4494
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 178
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407640
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/407640 | Image forming apparatus | Jan 8, 2024 | Issued |
Array
(
[id] => 20415381
[patent_doc_number] => 12498662
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-12-16
[patent_title] => Information processing apparatus and non-transitory recording medium storing computer readable control program
[patent_app_type] => utility
[patent_app_number] => 18/405499
[patent_app_country] => US
[patent_app_date] => 2024-01-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 16
[patent_no_of_words] => 4734
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 103
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18405499
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/405499 | Information processing apparatus and non-transitory recording medium storing computer readable control program | Jan 4, 2024 | Issued |
Array
(
[id] => 19267159
[patent_doc_number] => 20240210861
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-27
[patent_title] => FIXING UNIT AND IMAGE FORMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/393830
[patent_app_country] => US
[patent_app_date] => 2023-12-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10653
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -12
[patent_words_short_claim] => 287
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18393830
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/393830 | Fixing unit and image forming apparatus | Dec 21, 2023 | Issued |
Array
(
[id] => 19159374
[patent_doc_number] => 20240152081
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-09
[patent_title] => HEATER, FIXING DEVICE, AND IMAGE FORMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/543935
[patent_app_country] => US
[patent_app_date] => 2023-12-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3707
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 123
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18543935
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/543935 | Heater, fixing device, and image forming apparatus | Dec 17, 2023 | Issued |
Array
(
[id] => 19810834
[patent_doc_number] => 12242222
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-03-04
[patent_title] => Electrophotographic image forming apparatus, cartridge and drum unit
[patent_app_type] => utility
[patent_app_number] => 18/542933
[patent_app_country] => US
[patent_app_date] => 2023-12-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 110
[patent_figures_cnt] => 110
[patent_no_of_words] => 56348
[patent_no_of_claims] => 44
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 292
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542933
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/542933 | Electrophotographic image forming apparatus, cartridge and drum unit | Dec 17, 2023 | Issued |
Array
(
[id] => 20387815
[patent_doc_number] => 12487541
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-12-02
[patent_title] => Image forming device and toner replenishment control method in image forming device
[patent_app_type] => utility
[patent_app_number] => 18/538212
[patent_app_country] => US
[patent_app_date] => 2023-12-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 19
[patent_no_of_words] => 15613
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 223
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18538212
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/538212 | Image forming device and toner replenishment control method in image forming device | Dec 12, 2023 | Issued |
Array
(
[id] => 19739602
[patent_doc_number] => 12216430
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-02-04
[patent_title] => Image forming apparatus and process cartridge
[patent_app_type] => utility
[patent_app_number] => 18/538462
[patent_app_country] => US
[patent_app_date] => 2023-12-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 8860
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18538462
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/538462 | Image forming apparatus and process cartridge | Dec 12, 2023 | Issued |
Array
(
[id] => 19068994
[patent_doc_number] => 20240103420
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-28
[patent_title] => IMAGE FORMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/526071
[patent_app_country] => US
[patent_app_date] => 2023-12-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7911
[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] => 18526071
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/526071 | Image forming apparatus having image stabilization | Nov 30, 2023 | Issued |
Array
(
[id] => 19856833
[patent_doc_number] => 12259667
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-03-25
[patent_title] => Developer replenishing container and method of reusing developer replenishment container
[patent_app_type] => utility
[patent_app_number] => 18/512154
[patent_app_country] => US
[patent_app_date] => 2023-11-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 21
[patent_no_of_words] => 7259
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 127
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512154
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/512154 | Developer replenishing container and method of reusing developer replenishment container | Nov 16, 2023 | Issued |
Array
(
[id] => 20265494
[patent_doc_number] => 12436481
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-10-07
[patent_title] => Image forming apparatus with control of plural power sources
[patent_app_type] => utility
[patent_app_number] => 18/512820
[patent_app_country] => US
[patent_app_date] => 2023-11-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 16
[patent_no_of_words] => 15367
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 578
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512820
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/512820 | Image forming apparatus with control of plural power sources | Nov 16, 2023 | Issued |
Array
(
[id] => 19949751
[patent_doc_number] => 12321112
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-06-03
[patent_title] => Fixing device and image forming apparatus incorporating the same
[patent_app_type] => utility
[patent_app_number] => 18/509422
[patent_app_country] => US
[patent_app_date] => 2023-11-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 1245
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 234
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18509422
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/509422 | Fixing device and image forming apparatus incorporating the same | Nov 14, 2023 | Issued |
Array
(
[id] => 19036036
[patent_doc_number] => 20240085851
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-14
[patent_title] => IMAGE FORMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/510497
[patent_app_country] => US
[patent_app_date] => 2023-11-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11285
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => 0
[patent_words_short_claim] => 334
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18510497
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/510497 | Image forming apparatus with detectable cartridge | Nov 14, 2023 | Issued |
Array
(
[id] => 19021643
[patent_doc_number] => 20240077814
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-07
[patent_title] => DEVELOPER SUPPLY CONTAINER
[patent_app_type] => utility
[patent_app_number] => 18/388575
[patent_app_country] => US
[patent_app_date] => 2023-11-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 19104
[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] => 18388575
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/388575 | DEVELOPER SUPPLY CONTAINER | Nov 9, 2023 | Abandoned |
Array
(
[id] => 19174151
[patent_doc_number] => 20240160125
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-16
[patent_title] => IMAGE FORMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/388262
[patent_app_country] => US
[patent_app_date] => 2023-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10118
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 54
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388262
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/388262 | Image forming apparatus including a housing with a cover to store a toner bottle | Nov 8, 2023 | Issued |
Array
(
[id] => 19238113
[patent_doc_number] => 20240195308
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-13
[patent_title] => POWER SUPPLY APPARATUS CAPABLE OF SWITCHING OUTPUT RESISTANCE
[patent_app_type] => utility
[patent_app_number] => 18/505346
[patent_app_country] => US
[patent_app_date] => 2023-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12204
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 267
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505346
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/505346 | Power supply apparatus capable of switching output resistance | Nov 8, 2023 | Issued |
Array
(
[id] => 20273359
[patent_doc_number] => 12443137
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-10-14
[patent_title] => Image forming apparatus having a rotary and detachable toner cartridges
[patent_app_type] => utility
[patent_app_number] => 18/503421
[patent_app_country] => US
[patent_app_date] => 2023-11-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 31
[patent_no_of_words] => 20129
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 199
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18503421
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/503421 | Image forming apparatus having a rotary and detachable toner cartridges | Nov 6, 2023 | Issued |
Array
(
[id] => 20079083
[patent_doc_number] => 12353147
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-08
[patent_title] => Chip module of toner cartridge
[patent_app_type] => utility
[patent_app_number] => 18/386370
[patent_app_country] => US
[patent_app_date] => 2023-11-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 0
[patent_no_of_claims] => 12
[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] => 18386370
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/386370 | Chip module of toner cartridge | Nov 1, 2023 | Issued |
Array
(
[id] => 19956272
[patent_doc_number] => 12326685
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-06-10
[patent_title] => Image forming apparatus
[patent_app_type] => utility
[patent_app_number] => 18/495877
[patent_app_country] => US
[patent_app_date] => 2023-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 14
[patent_no_of_words] => 5524
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 236
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18495877
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/495877 | Image forming apparatus | Oct 26, 2023 | Issued |