Search

Hieu P. Nguyen

Examiner (ID: 536, Phone: (571)272-8577 , Office: P/2842 )

Most Active Art Unit
2843
Art Unit(s)
2817, 2843, 2842
Total Applications
1784
Issued Applications
1616
Pending Applications
85
Abandoned Applications
121

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17510024 [patent_doc_number] => 20220103128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Differential Amplifier [patent_app_type] => utility [patent_app_number] => 17/484069 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484069 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484069
Differential amplifier Sep 23, 2021 Issued
Array ( [id] => 19524560 [patent_doc_number] => 12126304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Amplifier circuit and amplifier device [patent_app_type] => utility [patent_app_number] => 17/481598 [patent_app_country] => US [patent_app_date] => 2021-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 11038 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17481598 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/481598
Amplifier circuit and amplifier device Sep 21, 2021 Issued
Array ( [id] => 19138490 [patent_doc_number] => 11973470 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Impedance control in merged stacked FET amplifiers [patent_app_type] => utility [patent_app_number] => 17/479320 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 25 [patent_no_of_words] => 9012 [patent_no_of_claims] => 19 [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] => 17479320 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/479320
Impedance control in merged stacked FET amplifiers Sep 19, 2021 Issued
Array ( [id] => 18270301 [patent_doc_number] => 20230091543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => CLASS A AMPLIFIER WITH PUSH-PULL CHARACTERISTIC [patent_app_type] => utility [patent_app_number] => 17/478032 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17478032 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/478032
Class A amplifier with push-pull characteristic Sep 16, 2021 Issued
Array ( [id] => 17478264 [patent_doc_number] => 20220085768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => Devices and Methods for Automatic Thermal Bias of Transistors in Musical Devices [patent_app_type] => utility [patent_app_number] => 17/475765 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17475765 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475765
Devices and methods for automatic thermal bias of transistors in musical devices Sep 14, 2021 Issued
Array ( [id] => 19766412 [patent_doc_number] => 12224720 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Radio frequency amplifier and bias circuit [patent_app_type] => utility [patent_app_number] => 17/474055 [patent_app_country] => US [patent_app_date] => 2021-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 6273 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17474055 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/474055
Radio frequency amplifier and bias circuit Sep 13, 2021 Issued
Array ( [id] => 18286201 [patent_doc_number] => 20230101673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => Balanced Amplifiers with Wideband Linearization [patent_app_type] => utility [patent_app_number] => 17/471535 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17471535 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/471535
Balanced amplifiers with wideband linearization Sep 9, 2021 Issued
Array ( [id] => 18608668 [patent_doc_number] => 11750155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Class-AB stabilization [patent_app_type] => utility [patent_app_number] => 17/470985 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5812 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17470985 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/470985
Class-AB stabilization Sep 8, 2021 Issued
Array ( [id] => 19494766 [patent_doc_number] => 12113492 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Power amplification apparatus, beamforming system, transmitter, and base station [patent_app_type] => utility [patent_app_number] => 17/466334 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10080 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17466334 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/466334
Power amplification apparatus, beamforming system, transmitter, and base station Sep 2, 2021 Issued
Array ( [id] => 19138498 [patent_doc_number] => 11973478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Single-to-differential converter [patent_app_type] => utility [patent_app_number] => 17/464763 [patent_app_country] => US [patent_app_date] => 2021-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3082 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17464763 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/464763
Single-to-differential converter Sep 1, 2021 Issued
Array ( [id] => 18230012 [patent_doc_number] => 20230069006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => SWITCHING AMPLIFIER SYSTEM WITH FEEDBACK [patent_app_type] => utility [patent_app_number] => 17/463593 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5631 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17463593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/463593
Switching amplifier system with feedback Aug 31, 2021 Issued
Array ( [id] => 18640108 [patent_doc_number] => 11764740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Control of base currents for output driver transistors in amplifiers [patent_app_type] => utility [patent_app_number] => 17/462930 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5036 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17462930 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/462930
Control of base currents for output driver transistors in amplifiers Aug 30, 2021 Issued
Array ( [id] => 18548741 [patent_doc_number] => 11722104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Control of input bias current modulation in amplifiers [patent_app_type] => utility [patent_app_number] => 17/462868 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3999 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17462868 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/462868
Control of input bias current modulation in amplifiers Aug 30, 2021 Issued
Array ( [id] => 18227314 [patent_doc_number] => 20230066308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => MULTI-STAGE WIDE-BAND AMPLIFIER WITH INTRA-STAGE AND INTER-STAGE INDUCTIVE COUPLING [patent_app_type] => utility [patent_app_number] => 17/462192 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3122 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17462192 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/462192
Multi-stage wide-band amplifier with intra-stage and inter-stage inductive coupling Aug 30, 2021 Issued
Array ( [id] => 17478265 [patent_doc_number] => 20220085769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => PROTECTION CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/446599 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17446599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/446599
Protection circuit Aug 30, 2021 Issued
Array ( [id] => 17449276 [patent_doc_number] => 20220069781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => OVERPOWER PROTECTION USING A POWER-MIRRORING RESISTOR [patent_app_type] => utility [patent_app_number] => 17/410384 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17410384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410384
Overpower protection using a power-mirroring resistor Aug 23, 2021 Issued
Array ( [id] => 17449275 [patent_doc_number] => 20220069780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => POWER AMPLIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/410003 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8047 [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] => 17410003 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410003
Power amplifier circuit Aug 23, 2021 Issued
Array ( [id] => 17278675 [patent_doc_number] => 20210384873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => AUDIO OUTPUT DEVICE [patent_app_type] => utility [patent_app_number] => 17/408871 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3997 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17408871 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/408871
Audio output device Aug 22, 2021 Issued
Array ( [id] => 19705525 [patent_doc_number] => 12199574 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Power amplifiers [patent_app_type] => utility [patent_app_number] => 17/407591 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 56 [patent_figures_cnt] => 59 [patent_no_of_words] => 15491 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17407591 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/407591
Power amplifiers Aug 19, 2021 Issued
Array ( [id] => 17403565 [patent_doc_number] => 20220045656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => CLASS-D AMPLIFIER WITH NESTED FEEDBACK LOOPS [patent_app_type] => utility [patent_app_number] => 17/406026 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3697 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17406026 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/406026
Class-D amplifier with nested feedback loops Aug 17, 2021 Issued
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