Search

Khanh V. Nguyen

Examiner (ID: 1719, Phone: (571)272-1767 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2843, 2817, 2842
Total Applications
2743
Issued Applications
2481
Pending Applications
159
Abandoned Applications
135

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19532606 [patent_doc_number] => 20240356508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => CAPACITIVELY COUPLED CHOPPER INSTRUMENTATION AMPLIFIER AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/454047 [patent_app_country] => US [patent_app_date] => 2023-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18454047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/454047
CAPACITIVELY COUPLED CHOPPER INSTRUMENTATION AMPLIFIER AND CONTROL METHOD THEREOF Aug 21, 2023 Pending
Array ( [id] => 19206898 [patent_doc_number] => 20240178797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => AMPLIFICATION DEVICE AND AMPLIFICATION METHOD [patent_app_type] => utility [patent_app_number] => 18/235445 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18235445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235445
AMPLIFICATION DEVICE AND AMPLIFICATION METHOD Aug 17, 2023 Abandoned
Array ( [id] => 18991797 [patent_doc_number] => 20240063766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => AMPLIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/448276 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18448276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448276
AMPLIFIER CIRCUIT Aug 10, 2023 Pending
Array ( [id] => 18883686 [patent_doc_number] => 20240007055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => Loudspeaker Power Amplifier and Loudspeaker [patent_app_type] => utility [patent_app_number] => 18/216174 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18216174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216174
Loudspeaker Power Amplifier and Loudspeaker Jun 28, 2023 Pending
Array ( [id] => 19662823 [patent_doc_number] => 20240429888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => VARIABLE GAIN AMPLIFIER WITH COMPLEMENTARILY SWITCHED NEUTRALIZED DIFFERENTIAL PAIR [patent_app_type] => utility [patent_app_number] => 18/212308 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9256 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212308
VARIABLE GAIN AMPLIFIER WITH COMPLEMENTARILY SWITCHED NEUTRALIZED DIFFERENTIAL PAIR Jun 20, 2023 Pending
Array ( [id] => 18906729 [patent_doc_number] => 20240022214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => OUT-OF-BAND BLOCKER REMOVING CALIBRATION-FREE WIDE-BAND LOW-NOISE AMPLIFIER STRUCTURE AND METHOD [patent_app_type] => utility [patent_app_number] => 18/337889 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6118 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18337889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337889
OUT-OF-BAND BLOCKER REMOVING CALIBRATION-FREE WIDE-BAND LOW-NOISE AMPLIFIER STRUCTURE AND METHOD Jun 19, 2023 Pending
Array ( [id] => 20852241 [patent_doc_number] => 12689284 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-21 [patent_title] => Direct current power factor correction in a direct current-to-direct current conversion system [patent_app_type] => utility [patent_app_number] => 18/337223 [patent_app_country] => US [patent_app_date] => 2023-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 7748 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337223
DIRECT CURRENT POWER FACTOR CORRECTION IN A DIRECT CURRENT-TO-DIRECT CURRENT CONVERSION SYSTEM Jun 18, 2023 Issued
Array ( [id] => 18696394 [patent_doc_number] => 20230326832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => SEMICONDUCTOR DEVICE, AMPLIFYING DEVICE, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/333584 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18333584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333584
Semiconductor device, amplifying device, and method of manufacturing semiconductor device Jun 12, 2023 Issued
Array ( [id] => 18899295 [patent_doc_number] => 20240014780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/333234 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5716 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333234 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333234
AMPLIFIER Jun 11, 2023 Pending
Array ( [id] => 20565233 [patent_doc_number] => 12567848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Reference voltage controlled equalization input data buffer circuit capable of automatically controlling power gain and providing equalization effect [patent_app_type] => utility [patent_app_number] => 18/204381 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18204381 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/204381
Reference voltage controlled equalization input data buffer circuit capable of automatically controlling power gain and providing equalization effect May 30, 2023 Issued
Array ( [id] => 20637001 [patent_doc_number] => 12597889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-07 [patent_title] => Distortion compensation for a switch in an amplifier circuit [patent_app_type] => utility [patent_app_number] => 18/325555 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325555 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325555
Distortion compensation for a switch in an amplifier circuit May 29, 2023 Issued
Array ( [id] => 19705532 [patent_doc_number] => 12199581 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Equalizer for envelope power supply circuitry [patent_app_type] => utility [patent_app_number] => 18/324683 [patent_app_country] => US [patent_app_date] => 2023-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7440 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18324683 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/324683
Equalizer for envelope power supply circuitry May 25, 2023 Issued
Array ( [id] => 19576074 [patent_doc_number] => 20240380366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => HIGH-LINEARITY CASCODE AMPLIFIER AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/316555 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316555 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316555
High-linearity cascode amplifier and method thereof May 11, 2023 Issued
Array ( [id] => 18813524 [patent_doc_number] => 20230387861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => DOHERTY POWER AMPLIFIER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/313018 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18313018 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313018
DOHERTY POWER AMPLIFIER SYSTEM May 4, 2023 Pending
Array ( [id] => 19253743 [patent_doc_number] => 20240204740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => Self-Controlled Equalization Circuit Capable of Providing an automatic Gain Control Mechanism [patent_app_type] => utility [patent_app_number] => 18/143062 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3781 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18143062 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143062
Self-controlled equalization circuit capable of providing an automatic gain control mechanism May 2, 2023 Issued
Array ( [id] => 18758263 [patent_doc_number] => 20230361734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => LOAD MODULATOR WITH VARIABLE CAPACITANCE [patent_app_type] => utility [patent_app_number] => 18/141910 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18141910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/141910
LOAD MODULATOR WITH VARIABLE CAPACITANCE Apr 30, 2023 Pending
Array ( [id] => 20775171 [patent_doc_number] => 12658857 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Power amplifier using coupler and electronic device including the same [patent_app_type] => utility [patent_app_number] => 18/304050 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 11486 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18304050 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/304050
Power amplifier using coupler and electronic device including the same Apr 19, 2023 Issued
Array ( [id] => 19357402 [patent_doc_number] => 12057868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Power detectors with enhanced dynamic range [patent_app_type] => utility [patent_app_number] => 18/304163 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 7524 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18304163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/304163
Power detectors with enhanced dynamic range Apr 19, 2023 Issued
Array ( [id] => 20829979 [patent_doc_number] => 12683566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Circuit having an amplifier stage and a current mirror loop or stability network [patent_app_type] => utility [patent_app_number] => 18/303931 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18303931 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/303931
Circuit having an amplifier stage and a current mirror loop or stability network Apr 19, 2023 Issued
Array ( [id] => 19532593 [patent_doc_number] => 20240356495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => PHASE COMPENSATION FOR EFFICIENCY IMPROVEMENT FOR RF POWER AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/136479 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7090 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18136479 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/136479
PHASE COMPENSATION FOR EFFICIENCY IMPROVEMENT FOR RF POWER AMPLIFIER Apr 18, 2023 Abandoned
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