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] => 18566310 [patent_doc_number] => 20230256638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => AMPLIFIERS [patent_app_type] => utility [patent_app_number] => 18/306742 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306742 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/306742
AMPLIFIERS Apr 24, 2023 Pending
Array ( [id] => 18730096 [patent_doc_number] => 20230344394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => NON-LINEAR FUNCTION IN AN EARLY-SAMPLED HYBRID MULTI-LEVEL CONVERTER AMPLIFIER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/303750 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5964 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18303750 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/303750
Non-linear function in an early-sampled hybrid multi-level converter amplifier system Apr 19, 2023 Issued
Array ( [id] => 19741788 [patent_doc_number] => 12218641 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Biased amplifier [patent_app_type] => utility [patent_app_number] => 18/298594 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 9056 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298594
Biased amplifier Apr 10, 2023 Issued
Array ( [id] => 18541479 [patent_doc_number] => 20230246595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => HIGH QUIESCENT CURRENT CONTROL [patent_app_type] => utility [patent_app_number] => 18/298626 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6657 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298626 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298626
High quiescent current control Apr 10, 2023 Issued
Array ( [id] => 18662041 [patent_doc_number] => 20230308058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => AMPLIFYING CIRCUIT AND CHARGING METHOD WHICH CAN IMPROVE ABNORMAL SOUND [patent_app_type] => utility [patent_app_number] => 18/125133 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125133 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/125133
AMPLIFYING CIRCUIT AND CHARGING METHOD WHICH CAN IMPROVE ABNORMAL SOUND Mar 22, 2023 Pending
Array ( [id] => 19469097 [patent_doc_number] => 20240322767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => CLIPPING PREVENTION IN SWITCHED MODE DRIVERS [patent_app_type] => utility [patent_app_number] => 18/188073 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18188073 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188073
CLIPPING PREVENTION IN SWITCHED MODE DRIVERS Mar 21, 2023 Pending
Array ( [id] => 18697151 [patent_doc_number] => 20230327610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => SIGNAL AMPLIFYING CIRCUIT AND SIGNAL PROCESSING SYSTEM AND ANALOG-TO-DIGITAL CONVERTING SYSTEM COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/187657 [patent_app_country] => US [patent_app_date] => 2023-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187657 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187657
SIGNAL AMPLIFYING CIRCUIT AND SIGNAL PROCESSING SYSTEM AND ANALOG-TO-DIGITAL CONVERTING SYSTEM COMPRISING THE SAME Mar 20, 2023 Pending
Array ( [id] => 20483054 [patent_doc_number] => 12531531 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => High-linearity dynamic amplifier [patent_app_type] => utility [patent_app_number] => 18/109870 [patent_app_country] => US [patent_app_date] => 2023-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 493 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109870 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109870
High-linearity dynamic amplifier Feb 14, 2023 Issued
Array ( [id] => 18457194 [patent_doc_number] => 20230198476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => AMPLIFIER WITH NON-LINEARITY CANCELLATION [patent_app_type] => utility [patent_app_number] => 18/168177 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18168177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/168177
Amplifier with non-linearity cancellation Feb 12, 2023 Issued
Array ( [id] => 20081321 [patent_doc_number] => 12355403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => RF switch with split tunable matching network [patent_app_type] => utility [patent_app_number] => 18/163755 [patent_app_country] => US [patent_app_date] => 2023-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 1126 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18163755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/163755
RF switch with split tunable matching network Feb 1, 2023 Issued
Array ( [id] => 18424692 [patent_doc_number] => 20230179157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => HIGH-FREQUENCY CIRCUIT AND COMMUNICATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/162875 [patent_app_country] => US [patent_app_date] => 2023-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11883 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18162875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/162875
HIGH-FREQUENCY CIRCUIT AND COMMUNICATION DEVICE Jan 31, 2023 Pending
Array ( [id] => 20020362 [patent_doc_number] => 20250158584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => HIGH-PERFORMANCE AUDIO AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/834318 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 433 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18834318 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/834318
High-performance audio amplifier Jan 24, 2023 Issued
Array ( [id] => 18586627 [patent_doc_number] => 20230268892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => Class D amplifier driving circuit [patent_app_type] => utility [patent_app_number] => 18/099000 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18099000 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/099000
Class D amplifier driving circuit Jan 18, 2023 Issued
Array ( [id] => 18555923 [patent_doc_number] => 20230253940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => RADIO-FREQUENCY AMPLIFIER CIRCUITS, DEVICES AND METHODS [patent_app_type] => utility [patent_app_number] => 18/092678 [patent_app_country] => US [patent_app_date] => 2023-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18092678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/092678
Radio-frequency amplifier circuits, devices and methods Jan 2, 2023 Issued
Array ( [id] => 18653881 [patent_doc_number] => 20230299723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => FULL-BRIDGE CLASS D AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/090783 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18090783 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/090783
Full-bridge class D amplifier Dec 28, 2022 Issued
Array ( [id] => 20375753 [patent_doc_number] => 12483198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Voltage buffer [patent_app_type] => utility [patent_app_number] => 18/090756 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1205 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18090756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/090756
Voltage buffer Dec 28, 2022 Issued
Array ( [id] => 19270229 [patent_doc_number] => 20240213935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => DYNAMIC PULSE WIDTH CONTROL SCHEME IN AMPLIFIERS [patent_app_type] => utility [patent_app_number] => 18/088091 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088091 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088091
DYNAMIC PULSE WIDTH CONTROL SCHEME IN AMPLIFIERS Dec 22, 2022 Pending
Array ( [id] => 20305838 [patent_doc_number] => 12451842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Variable transimpedance amplifier for low power, high dynamic range, high data rate linear [patent_app_type] => utility [patent_app_number] => 18/079840 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 12783 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [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] => 18079840 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/079840
Variable transimpedance amplifier for low power, high dynamic range, high data rate linear Dec 11, 2022 Issued
Array ( [id] => 20259476 [patent_doc_number] => 12431843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Frequency compensation in amplifiers with local-feedback buffer stages [patent_app_type] => utility [patent_app_number] => 18/070940 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 823 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070940
Frequency compensation in amplifiers with local-feedback buffer stages Nov 28, 2022 Issued
Array ( [id] => 20435292 [patent_doc_number] => 12506457 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => DC restore scheme for capacitive sensing amplifiers with optimal noise filtering [patent_app_type] => utility [patent_app_number] => 18/070081 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 6481 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070081
DC restore scheme for capacitive sensing amplifiers with optimal noise filtering Nov 27, 2022 Issued
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