Search

Henry Choe

Examiner (ID: 3426, Phone: (571)272-1760 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2817, 2843, 2842
Total Applications
3759
Issued Applications
3448
Pending Applications
197
Abandoned Applications
149

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19874172 [patent_doc_number] => 12267048 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-01 [patent_title] => Common-emitter amplifier with unilateral pre-embedding inductors [patent_app_type] => utility [patent_app_number] => 18/973167 [patent_app_country] => US [patent_app_date] => 2024-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6180 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 748 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18973167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/973167
Common-emitter amplifier with unilateral pre-embedding inductors Dec 8, 2024 Issued
Array ( [id] => 19796832 [patent_doc_number] => 12237812 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-25 [patent_title] => Semi-log preamp with switched gains [patent_app_type] => utility [patent_app_number] => 18/957798 [patent_app_country] => US [patent_app_date] => 2024-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 30 [patent_no_of_words] => 7832 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 603 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18957798 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/957798
Semi-log preamp with switched gains Nov 23, 2024 Issued
Array ( [id] => 19900656 [patent_doc_number] => 12278601 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Power amplifier semiconductor device [patent_app_type] => utility [patent_app_number] => 18/895976 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 28 [patent_no_of_words] => 11449 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18895976 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/895976
Power amplifier semiconductor device Sep 24, 2024 Issued
Array ( [id] => 19951797 [patent_doc_number] => 12323172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Power amplifier and wireless transmitter [patent_app_type] => utility [patent_app_number] => 18/814260 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814260 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814260
Power amplifier and wireless transmitter Aug 22, 2024 Issued
Array ( [id] => 19635353 [patent_doc_number] => 20240413802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => HARMONIC CONTROL-BASED CLASS-J DISTRIBUTED POWER AMPLIFIER AND OPTIMIZATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/811100 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4718 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 686 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18811100 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811100
Harmonic control-based class-J distributed power amplifier and optimization method thereof Aug 20, 2024 Issued
Array ( [id] => 20488905 [patent_doc_number] => 20260025107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => Amplifier Noise Cancellation [patent_app_type] => utility [patent_app_number] => 18/778709 [patent_app_country] => US [patent_app_date] => 2024-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18778709 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/778709
Amplifier Noise Cancellation Jul 18, 2024 Pending
Array ( [id] => 19758684 [patent_doc_number] => 20250047249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION [patent_app_type] => utility [patent_app_number] => 18/769086 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769086 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769086
TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION Jul 9, 2024 Pending
Array ( [id] => 19750146 [patent_doc_number] => 20250038711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => MULTI-STAGE AMPLIFIER CIRCUITS [patent_app_type] => utility [patent_app_number] => 18/765598 [patent_app_country] => US [patent_app_date] => 2024-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765598
MULTI-STAGE AMPLIFIER CIRCUITS Jul 7, 2024 Pending
Array ( [id] => 20462716 [patent_doc_number] => 20260012146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => CLASS-D AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/765324 [patent_app_country] => US [patent_app_date] => 2024-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2310 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765324 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765324
CLASS-D AMPLIFIER Jul 6, 2024 Pending
Array ( [id] => 19532601 [patent_doc_number] => 20240356503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => HIGHLY EFFICIENT DUAL-DRIVE POWER AMPLIFIER FOR HIGH RELIABILITY APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/762824 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18762824 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/762824
HIGHLY EFFICIENT DUAL-DRIVE POWER AMPLIFIER FOR HIGH RELIABILITY APPLICATIONS Jul 2, 2024 Pending
Array ( [id] => 20448931 [patent_doc_number] => 20260005657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => Low-EMI capacitively-coupled Class-D amplifiers with voltage boosting [patent_app_type] => utility [patent_app_number] => 18/754933 [patent_app_country] => US [patent_app_date] => 2024-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 429 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18754933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/754933
Low-EMI capacitively-coupled Class-D amplifiers with voltage boosting Jun 25, 2024 Pending
Array ( [id] => 19516527 [patent_doc_number] => 20240348213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Combined Class D Amplifier and Buck Regulator [patent_app_type] => utility [patent_app_number] => 18/751180 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 413 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18751180 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/751180
Combined Class D Amplifier and Buck Regulator Jun 20, 2024 Pending
Array ( [id] => 19688927 [patent_doc_number] => 20250007472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => DISTORTION NETWORK WITH CHANNELIZED RESISTORS [patent_app_type] => utility [patent_app_number] => 18/734989 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18734989 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734989
Distortion network with channelized resistors Jun 4, 2024 Issued
Array ( [id] => 20318395 [patent_doc_number] => 12456953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Multi-modal audio amplifier and related system [patent_app_type] => utility [patent_app_number] => 18/731838 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2187 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18731838 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/731838
Multi-modal audio amplifier and related system Jun 2, 2024 Issued
Array ( [id] => 19750151 [patent_doc_number] => 20250038716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => SYSTEMS AND METHODS FOR MODULAR POWER AMPLIFIERS [patent_app_type] => utility [patent_app_number] => 18/732091 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21339 [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] => 18732091 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732091
Systems and methods for modular power amplifiers Jun 2, 2024 Issued
Array ( [id] => 19655060 [patent_doc_number] => 12176870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Radio frequency (RF) power module having a high frequency switching electronic power conditioner combined with a millimeter wave to terahertz vacuum electronic device [patent_app_type] => utility [patent_app_number] => 18/657220 [patent_app_country] => US [patent_app_date] => 2024-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7188 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18657220 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/657220
Radio frequency (RF) power module having a high frequency switching electronic power conditioner combined with a millimeter wave to terahertz vacuum electronic device May 6, 2024 Issued
Array ( [id] => 19796011 [patent_doc_number] => 12236976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Voice activity detection system and acoustic feature extraction circuit thereof [patent_app_type] => utility [patent_app_number] => 18/653676 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 2168 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653676 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653676
Voice activity detection system and acoustic feature extraction circuit thereof May 1, 2024 Issued
Array ( [id] => 19385464 [patent_doc_number] => 20240275334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => MULTI-LEVEL ENVELOPE TRACKING SYSTEMS WITH SEPARATE DC AND AC PATHS [patent_app_type] => utility [patent_app_number] => 18/646024 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18646024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/646024
Multi-level envelope tracking systems with separate DC and AC paths Apr 24, 2024 Issued
Array ( [id] => 19605629 [patent_doc_number] => 20240396509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => OUTPUT MATCHING CIRCUIT WITH SUPPRESSED HARMONICS [patent_app_type] => utility [patent_app_number] => 18/642579 [patent_app_country] => US [patent_app_date] => 2024-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18642579 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/642579
Output matching circuit with suppressed harmonics Apr 21, 2024 Issued
Array ( [id] => 20298359 [patent_doc_number] => 20250323602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => RADIO-FREQUENCY AMPLIFIERS WITH AUTOMATIC BIAS COMPENSATION [patent_app_type] => utility [patent_app_number] => 18/634401 [patent_app_country] => US [patent_app_date] => 2024-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18634401 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/634401
RADIO-FREQUENCY AMPLIFIERS WITH AUTOMATIC BIAS COMPENSATION Apr 11, 2024 Pending
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