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] => 17801636 [patent_doc_number] => 11415934 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Aerosol management systems [patent_app_type] => utility [patent_app_number] => 17/417215 [patent_app_country] => US [patent_app_date] => 2019-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 9206 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17417215 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417215
Aerosol management systems Jul 15, 2019 Issued
Array ( [id] => 15669699 [patent_doc_number] => 10599075 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-03-24 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 16/511655 [patent_app_country] => US [patent_app_date] => 2019-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6988 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16511655 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/511655
Image forming apparatus Jul 14, 2019 Issued
Array ( [id] => 16255165 [patent_doc_number] => 20200264539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 16/511694 [patent_app_country] => US [patent_app_date] => 2019-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16511694 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/511694
Cleaning device Jul 14, 2019 Issued
Array ( [id] => 16247781 [patent_doc_number] => 10747133 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-18 [patent_title] => Image-forming apparatus [patent_app_type] => utility [patent_app_number] => 16/509886 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 14711 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16509886 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/509886
Image-forming apparatus Jul 11, 2019 Issued
Array ( [id] => 16291716 [patent_doc_number] => 10768561 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-08 [patent_title] => Fixing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 16/509737 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4397 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [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] => 16509737 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/509737
Fixing device and image forming apparatus Jul 11, 2019 Issued
Array ( [id] => 15577247 [patent_doc_number] => 10578999 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Image forming apparatus and image forming system [patent_app_type] => utility [patent_app_number] => 16/508838 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 32 [patent_no_of_words] => 13832 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508838 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508838
Image forming apparatus and image forming system Jul 10, 2019 Issued
Array ( [id] => 15485623 [patent_doc_number] => 10558155 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-02-11 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 16/508488 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 11560 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508488 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508488
Image forming apparatus Jul 10, 2019 Issued
Array ( [id] => 15411799 [patent_doc_number] => 20200026222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => BELT CONVEYOR DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME [patent_app_type] => utility [patent_app_number] => 16/508179 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508179 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508179
Belt conveyor device and image forming apparatus provided with the same Jul 9, 2019 Issued
Array ( [id] => 15695543 [patent_doc_number] => 10603935 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-03-31 [patent_title] => Opening and closing mechanism and image forming apparatus [patent_app_type] => utility [patent_app_number] => 16/508274 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 8105 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508274 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508274
Opening and closing mechanism and image forming apparatus Jul 9, 2019 Issued
Array ( [id] => 16144747 [patent_doc_number] => 10705443 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-07 [patent_title] => Image forming apparatus and non-transitory computer readable medium storing program [patent_app_type] => utility [patent_app_number] => 16/507351 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 5344 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16507351 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/507351
Image forming apparatus and non-transitory computer readable medium storing program Jul 9, 2019 Issued
Array ( [id] => 15794245 [patent_doc_number] => 10630859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 16/506338 [patent_app_country] => US [patent_app_date] => 2019-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 9211 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16506338 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/506338
Image forming apparatus Jul 8, 2019 Issued
Array ( [id] => 15366681 [patent_doc_number] => 20200019105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => METHOD OF ESTIMATING LIFETIME OF CONVEYANCE PART PROVIDED IN IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/504056 [patent_app_country] => US [patent_app_date] => 2019-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16504056 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/504056
Method of estimating lifetime of conveyance part provided in image forming apparatus Jul 4, 2019 Issued
Array ( [id] => 16534811 [patent_doc_number] => 10877407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-29 [patent_title] => Heating device, fixing device, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 16/502348 [patent_app_country] => US [patent_app_date] => 2019-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 7082 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16502348 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/502348
Heating device, fixing device, and image forming apparatus Jul 2, 2019 Issued
Array ( [id] => 15714041 [patent_doc_number] => 20200103787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => DEVELOPING CARTRIDGE INCLUDING BLADE AND BLADE HOLDER FOR SUPPORTING END PORTION OF BLADE [patent_app_type] => utility [patent_app_number] => 16/458340 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16458340 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/458340
Developing cartridge including blade and blade holder for supporting end portion of blade Jun 30, 2019 Issued
Array ( [id] => 15439137 [patent_doc_number] => 20200033752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME [patent_app_type] => utility [patent_app_number] => 16/448294 [patent_app_country] => US [patent_app_date] => 2019-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16448294 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/448294
POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME Jun 20, 2019 Abandoned
Array ( [id] => 15283985 [patent_doc_number] => 10514655 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-24 [patent_title] => Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface [patent_app_type] => utility [patent_app_number] => 16/438882 [patent_app_country] => US [patent_app_date] => 2019-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 12418 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16438882 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/438882
Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface Jun 11, 2019 Issued
Array ( [id] => 15283987 [patent_doc_number] => 10514656 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-24 [patent_title] => Drum cartridge and development cartridge capable of suppressing variation in position of electrical contact surface [patent_app_type] => utility [patent_app_number] => 16/438983 [patent_app_country] => US [patent_app_date] => 2019-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 12419 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16438983 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/438983
Drum cartridge and development cartridge capable of suppressing variation in position of electrical contact surface Jun 11, 2019 Issued
Array ( [id] => 16185714 [patent_doc_number] => 10719037 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-21 [patent_title] => Controlling ink developer voltages [patent_app_type] => utility [patent_app_number] => 16/424817 [patent_app_country] => US [patent_app_date] => 2019-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8248 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16424817 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/424817
Controlling ink developer voltages May 28, 2019 Issued
Array ( [id] => 14900639 [patent_doc_number] => 20190294085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => FIXING DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR ADJUSTING LENGTH OF INTERPOSING AND PRESSURIZING REGION BY FIXING DEVICE [patent_app_type] => utility [patent_app_number] => 16/424209 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16424209 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/424209
Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device May 27, 2019 Issued
Array ( [id] => 15516021 [patent_doc_number] => 10564593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Image forming apparatus that determines opening of door [patent_app_type] => utility [patent_app_number] => 16/422792 [patent_app_country] => US [patent_app_date] => 2019-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 8100 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16422792 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/422792
Image forming apparatus that determines opening of door May 23, 2019 Issued
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