Search

Tuan N Nguyen

Examiner (ID: 4518, Phone: (571)272-4892 , Office: P/3754 )

Most Active Art Unit
2828
Art Unit(s)
3101, 2828, 3751, 3653, 3615, 3651, 3754, 2899
Total Applications
4762
Issued Applications
3630
Pending Applications
272
Abandoned Applications
892

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19671261 [patent_doc_number] => 12184036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Two-dimensional photonic-crystal surface-emitting laser [patent_app_type] => utility [patent_app_number] => 17/632896 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 21 [patent_no_of_words] => 8496 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17632896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/632896
Two-dimensional photonic-crystal surface-emitting laser Aug 3, 2020 Issued
Array ( [id] => 17268302 [patent_doc_number] => 11193721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-07 [patent_title] => Heat recovery unit for gray water [patent_app_type] => utility [patent_app_number] => 16/984868 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4465 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16984868 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/984868
Heat recovery unit for gray water Aug 3, 2020 Issued
Array ( [id] => 18967913 [patent_doc_number] => 11901702 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => LED DBR structure with reduced photodegradation [patent_app_type] => utility [patent_app_number] => 16/945101 [patent_app_country] => US [patent_app_date] => 2020-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4496 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16945101 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/945101
LED DBR structure with reduced photodegradation Jul 30, 2020 Issued
Array ( [id] => 16456629 [patent_doc_number] => 20200366055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => LASER MODULE AND ASSEMBLY METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 16/944163 [patent_app_country] => US [patent_app_date] => 2020-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16944163 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/944163
Laser module and assembly method therefor Jul 30, 2020 Issued
Array ( [id] => 17225120 [patent_doc_number] => 11177633 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-16 [patent_title] => Manufacturing method of a device for generating terahertz radiation [patent_app_type] => utility [patent_app_number] => 16/939053 [patent_app_country] => US [patent_app_date] => 2020-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2307 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16939053 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/939053
Manufacturing method of a device for generating terahertz radiation Jul 25, 2020 Issued
Array ( [id] => 17367647 [patent_doc_number] => 20220022699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => Portable Dual-Sink Hand-Washing Station [patent_app_type] => utility [patent_app_number] => 16/937896 [patent_app_country] => US [patent_app_date] => 2020-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16937896 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/937896
Portable Dual-Sink Hand-Washing Station Jul 23, 2020 Abandoned
Array ( [id] => 16602071 [patent_doc_number] => 20210028602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => Systems and Methods for Chip-Scale Lasers with Low Spatial Coherence and Directional Emission [patent_app_type] => utility [patent_app_number] => 16/937985 [patent_app_country] => US [patent_app_date] => 2020-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8975 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16937985 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/937985
Systems and methods for chip-scale lasers with low spatial coherence and directional emission Jul 23, 2020 Issued
Array ( [id] => 17386260 [patent_doc_number] => 20220034112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => PORTABLE INFLATABLE POOL SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/309194 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17309194 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/309194
Portable inflatable pool systems and methods Jul 22, 2020 Issued
Array ( [id] => 16440919 [patent_doc_number] => 20200358246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => Master Oscillator Power Amplifier [patent_app_type] => utility [patent_app_number] => 16/936587 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16936587 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/936587
Master oscillator power amplifier Jul 22, 2020 Issued
Array ( [id] => 17871442 [patent_doc_number] => 20220294179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => SEMICONDUCTOR LASER DRIVING APPARATUS, ELECTRONIC EQUIPMENT, AND MANUFACTURING METHOD OF SEMICONDUCTOR LASER DRIVING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/636421 [patent_app_country] => US [patent_app_date] => 2020-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9304 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17636421 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/636421
Semiconductor laser driving apparatus, electronic equipment, and manufacturing method of semiconductor laser driving apparatus Jul 19, 2020 Issued
Array ( [id] => 17858085 [patent_doc_number] => 11439222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Shampoo assisting device [patent_app_type] => utility [patent_app_number] => 17/041048 [patent_app_country] => US [patent_app_date] => 2020-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3094 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17041048 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/041048
Shampoo assisting device Jul 14, 2020 Issued
Array ( [id] => 16456634 [patent_doc_number] => 20200366060 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => OPTICAL SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 16/929254 [patent_app_country] => US [patent_app_date] => 2020-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7631 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16929254 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/929254
Optical semiconductor device Jul 14, 2020 Issued
Array ( [id] => 17873871 [patent_doc_number] => 11445862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Grab bar assembly for shower and bathtubs [patent_app_type] => utility [patent_app_number] => 16/927153 [patent_app_country] => US [patent_app_date] => 2020-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6257 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16927153 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/927153
Grab bar assembly for shower and bathtubs Jul 12, 2020 Issued
Array ( [id] => 16402835 [patent_doc_number] => 20200343693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => TUNABLE MULTILAYER TERAHERTZ MAGNON GENERATOR [patent_app_type] => utility [patent_app_number] => 16/927286 [patent_app_country] => US [patent_app_date] => 2020-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6957 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16927286 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/927286
Tunable multilayer terahertz magnon generator Jul 12, 2020 Issued
Array ( [id] => 16402834 [patent_doc_number] => 20200343692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => EX-SITU CONDITIONING OF LASER FACETS AND PASSIVATED DEVICES FORMED USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/925415 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16925415 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/925415
Ex-situ conditioning of laser facets and passivated devices formed using the same Jul 9, 2020 Issued
Array ( [id] => 16402829 [patent_doc_number] => 20200343687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => MID-INFRARED VERTICAL CAVITY LASER [patent_app_type] => utility [patent_app_number] => 16/924969 [patent_app_country] => US [patent_app_date] => 2020-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 16924969 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/924969
Mid-infrared vertical cavity laser Jul 8, 2020 Issued
Array ( [id] => 16395001 [patent_doc_number] => 20200335942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => VCSEL DEVICE WITH MULTIPLE STACKED ACTIVE REGIONS [patent_app_type] => utility [patent_app_number] => 16/917785 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9057 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16917785 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/917785
VCSEL device with multiple stacked active regions Jun 29, 2020 Issued
Array ( [id] => 16392676 [patent_doc_number] => 20200333617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => ILLUMINATOR WITH PHASE SCRAMBLING PARTICLES [patent_app_type] => utility [patent_app_number] => 16/916576 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16916576 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/916576
Illuminator with phase scrambling particles Jun 29, 2020 Issued
Array ( [id] => 16361582 [patent_doc_number] => 20200318333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => TOILET TRAP WATER BLOCKING DEVICE [patent_app_type] => utility [patent_app_number] => 16/907782 [patent_app_country] => US [patent_app_date] => 2020-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16907782 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/907782
TOILET TRAP WATER BLOCKING DEVICE Jun 21, 2020 Abandoned
Array ( [id] => 17456488 [patent_doc_number] => 11271358 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Control of heating in active doped optical fiber [patent_app_type] => utility [patent_app_number] => 16/904935 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 25 [patent_no_of_words] => 10377 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16904935 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/904935
Control of heating in active doped optical fiber Jun 17, 2020 Issued
Menu