Search

Henry Choe

Examiner (ID: 7318, Phone: (571)272-1760 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2817, 2842, 2843
Total Applications
3728
Issued Applications
3431
Pending Applications
183
Abandoned Applications
149

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17811642 [patent_doc_number] => 20220263477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => POWER AMPLIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/650674 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650674 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650674
Power amplifier circuit Feb 10, 2022 Issued
Array ( [id] => 19469095 [patent_doc_number] => 20240322765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => AMPLIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/574186 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18574186 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/574186
AMPLIFIER CIRCUIT Feb 9, 2022 Pending
Array ( [id] => 20244642 [patent_doc_number] => 12424976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => System and method for adjusting amplifier bias current based on input signal envelope tracking [patent_app_type] => utility [patent_app_number] => 17/668298 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17668298 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/668298
System and method for adjusting amplifier bias current based on input signal envelope tracking Feb 8, 2022 Issued
Array ( [id] => 19071970 [patent_doc_number] => 20240106396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => Push-Pull Amplifying Unit and Doherty Amplifier Comprising the Same [patent_app_type] => utility [patent_app_number] => 18/264300 [patent_app_country] => US [patent_app_date] => 2022-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8543 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 824 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18264300 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/264300
Push-Pull Amplifying Unit and Doherty Amplifier Comprising the Same Feb 3, 2022 Pending
Array ( [id] => 20596816 [patent_doc_number] => 12580545 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Differential amplification circuit [patent_app_type] => utility [patent_app_number] => 17/649821 [patent_app_country] => US [patent_app_date] => 2022-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 24 [patent_no_of_words] => 3184 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17649821 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649821
Differential amplification circuit Feb 2, 2022 Issued
Array ( [id] => 18541495 [patent_doc_number] => 20230246611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => DRIVING AMPLIFIER STAGE WITH LOW OUTPUT IMPEDANCE [patent_app_type] => utility [patent_app_number] => 17/588867 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17588867 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/588867
Driving amplifier stage with low output impedance Jan 30, 2022 Issued
Array ( [id] => 18541493 [patent_doc_number] => 20230246609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => POWER AMPLIFIER SYSTEM [patent_app_type] => utility [patent_app_number] => 17/587368 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17587368 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587368
Power amplifier system Jan 27, 2022 Issued
Array ( [id] => 18533855 [patent_doc_number] => 20230238932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => AUDIO AMPLIFIER WITH DUTY RATIO CONTROL [patent_app_type] => utility [patent_app_number] => 17/585606 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3690 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17585606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/585606
Audio amplifier with duty ratio control Jan 26, 2022 Issued
Array ( [id] => 19918949 [patent_doc_number] => 12294335 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Receiver front end for digital isolators [patent_app_type] => utility [patent_app_number] => 17/582145 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 28 [patent_no_of_words] => 5372 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17582145 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/582145
Receiver front end for digital isolators Jan 23, 2022 Issued
Array ( [id] => 17583937 [patent_doc_number] => 20220140792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => AMPLIFIER HAVING ELECTROSTATIC DISCHARGE AND SURGE PROTECTION CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/580549 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17580549 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580549
Amplifier having electrostatic discharge and surge protection circuit Jan 19, 2022 Issued
Array ( [id] => 19843266 [patent_doc_number] => 12255674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Constant-phase attenuator techniques in radio frequency front end (RFFE) amplifiers [patent_app_type] => utility [patent_app_number] => 17/580320 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 15508 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580320 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580320
Constant-phase attenuator techniques in radio frequency front end (RFFE) amplifiers Jan 19, 2022 Issued
Array ( [id] => 19539895 [patent_doc_number] => 12132455 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Amplifier with switchable transformer [patent_app_type] => utility [patent_app_number] => 17/647534 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 22 [patent_no_of_words] => 14540 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647534 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647534
Amplifier with switchable transformer Jan 9, 2022 Issued
Array ( [id] => 17567354 [patent_doc_number] => 20220131503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => EFFICIENCY, SYMMETRICAL DOHERTY POWER AMPLIFIER [patent_app_type] => utility [patent_app_number] => 17/568316 [patent_app_country] => US [patent_app_date] => 2022-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8783 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17568316 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/568316
Symmetrical Doherty power amplifier having improved efficiency Jan 3, 2022 Issued
Array ( [id] => 18121204 [patent_doc_number] => 11552607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Linear class-AB voltage to current converter [patent_app_type] => utility [patent_app_number] => 17/567681 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7877 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 442 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567681 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567681
Linear class-AB voltage to current converter Jan 2, 2022 Issued
Array ( [id] => 18489102 [patent_doc_number] => 20230216452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => POWER TRANSISTOR DEVICES AND AMPLIFIERS WITH INPUT-SIDE HARMONIC TERMINATION CIRCUITS [patent_app_type] => utility [patent_app_number] => 17/646703 [patent_app_country] => US [patent_app_date] => 2021-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17646703 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/646703
Power transistor devices and amplifiers with input-side harmonic termination circuits Dec 30, 2021 Issued
Array ( [id] => 19568293 [patent_doc_number] => 12143076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Multi-port amplifier with baseband processing [patent_app_type] => utility [patent_app_number] => 17/565795 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2315 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565795 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565795
Multi-port amplifier with baseband processing Dec 29, 2021 Issued
Array ( [id] => 19766408 [patent_doc_number] => 12224716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Power amplifier having analog pre-distortion by adaptive degenerative feedback [patent_app_type] => utility [patent_app_number] => 17/562249 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 5783 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [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] => 17562249 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562249
Power amplifier having analog pre-distortion by adaptive degenerative feedback Dec 26, 2021 Issued
Array ( [id] => 18632450 [patent_doc_number] => 20230291361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => High-Speed Transimpedance Amplifier with Bandwidth Extension Feature over Full Temperature Range and Bandwidth Extension Method [patent_app_type] => utility [patent_app_number] => 18/041203 [patent_app_country] => US [patent_app_date] => 2021-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5741 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 384 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18041203 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041203
High-speed transimpedance amplifier with bandwidth extension feature over full temperature range and bandwidth extension method Dec 23, 2021 Issued
Array ( [id] => 18670540 [patent_doc_number] => 11777457 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Circuit and a method for generating a radio frequency signal [patent_app_type] => utility [patent_app_number] => 17/559879 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 11878 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17559879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559879
Circuit and a method for generating a radio frequency signal Dec 21, 2021 Issued
Array ( [id] => 19553184 [patent_doc_number] => 12136903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Power amplifier and demodulator [patent_app_type] => utility [patent_app_number] => 17/552650 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 14257 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17552650 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/552650
Power amplifier and demodulator Dec 15, 2021 Issued
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