Search

Henry Choe

Examiner (ID: 9269, Phone: (571)272-1760 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2843, 2817, 2842
Total Applications
3679
Issued Applications
3391
Pending Applications
196
Abandoned Applications
146

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15333541 [patent_doc_number] => 20200007100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => DISTRIBUTED DARLINGTON PAIR AMPLIFIER [patent_app_type] => utility [patent_app_number] => 16/023797 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3701 [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] => 16023797 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/023797
DISTRIBUTED DARLINGTON PAIR AMPLIFIER Jun 28, 2018 Abandoned
Array ( [id] => 14986581 [patent_doc_number] => 10447216 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-10-15 [patent_title] => Lumped compensated outphasing power combiner [patent_app_type] => utility [patent_app_number] => 16/022871 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 4285 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16022871 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/022871
Lumped compensated outphasing power combiner Jun 28, 2018 Issued
Array ( [id] => 15171307 [patent_doc_number] => 10491168 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-26 [patent_title] => Power amplification circuit [patent_app_type] => utility [patent_app_number] => 16/022135 [patent_app_country] => US [patent_app_date] => 2018-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5593 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16022135 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/022135
Power amplification circuit Jun 27, 2018 Issued
Array ( [id] => 13786949 [patent_doc_number] => 20190007013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => AMPLIFICATION CIRCUIT WITH SPLIT-LENGTH COMPENSATION SCHEME [patent_app_type] => utility [patent_app_number] => 16/021859 [patent_app_country] => US [patent_app_date] => 2018-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16021859 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/021859
Amplification circuit with split-length compensation scheme Jun 27, 2018 Issued
Array ( [id] => 14770635 [patent_doc_number] => 10396729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-27 [patent_title] => Differential circuit and operational amplifier [patent_app_type] => utility [patent_app_number] => 16/021042 [patent_app_country] => US [patent_app_date] => 2018-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8677 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16021042 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/021042
Differential circuit and operational amplifier Jun 27, 2018 Issued
Array ( [id] => 15476559 [patent_doc_number] => 10554175 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Apparatus and methods for multi-supply voltage power amplifiers [patent_app_type] => utility [patent_app_number] => 16/020780 [patent_app_country] => US [patent_app_date] => 2018-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7901 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16020780 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/020780
Apparatus and methods for multi-supply voltage power amplifiers Jun 26, 2018 Issued
Array ( [id] => 14460865 [patent_doc_number] => 10326412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-18 [patent_title] => Amplifier used to improve operational performance under bypass mode [patent_app_type] => utility [patent_app_number] => 16/008054 [patent_app_country] => US [patent_app_date] => 2018-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4311 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16008054 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/008054
Amplifier used to improve operational performance under bypass mode Jun 13, 2018 Issued
Array ( [id] => 14645413 [patent_doc_number] => 10367460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-30 [patent_title] => Amplifier circuit [patent_app_type] => utility [patent_app_number] => 16/001127 [patent_app_country] => US [patent_app_date] => 2018-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 27 [patent_no_of_words] => 10528 [patent_no_of_claims] => 15 [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] => 16001127 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/001127
Amplifier circuit Jun 5, 2018 Issued
Array ( [id] => 17026125 [patent_doc_number] => 20210249997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => DIGITAL PREDISTORTION LOW POWER IMPLEMENTATION [patent_app_type] => utility [patent_app_number] => 16/972963 [patent_app_country] => US [patent_app_date] => 2018-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16972963 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/972963
Digital predistortion low power implementation Jun 4, 2018 Issued
Array ( [id] => 14829275 [patent_doc_number] => 10411661 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-09-10 [patent_title] => Apparatus, system and method for power amplifier control [patent_app_type] => utility [patent_app_number] => 15/995656 [patent_app_country] => US [patent_app_date] => 2018-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6964 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [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] => 15995656 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/995656
Apparatus, system and method for power amplifier control May 31, 2018 Issued
Array ( [id] => 13631109 [patent_doc_number] => 20180367107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => Self-Oscillating Amplifier System [patent_app_type] => utility [patent_app_number] => 15/991321 [patent_app_country] => US [patent_app_date] => 2018-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15991321 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/991321
Self-oscillating amplifier system May 28, 2018 Issued
Array ( [id] => 13582881 [patent_doc_number] => 20180342989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => ISOLATION CIRCUIT [patent_app_type] => utility [patent_app_number] => 15/990571 [patent_app_country] => US [patent_app_date] => 2018-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 15990571 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/990571
Isolation circuit May 24, 2018 Issued
Array ( [id] => 15110211 [patent_doc_number] => 10476441 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-12 [patent_title] => Envelope tracking current bias circuit and power amplifying device [patent_app_type] => utility [patent_app_number] => 15/985995 [patent_app_country] => US [patent_app_date] => 2018-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4234 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15985995 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/985995
Envelope tracking current bias circuit and power amplifying device May 21, 2018 Issued
Array ( [id] => 14589133 [patent_doc_number] => 20190222175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => ENVELOPE TRACKING POWER MANAGEMENT CIRCUIT [patent_app_type] => utility [patent_app_number] => 15/984566 [patent_app_country] => US [patent_app_date] => 2018-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 15984566 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/984566
Envelope tracking power management circuit May 20, 2018 Issued
Array ( [id] => 13572183 [patent_doc_number] => 20180337639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => RIPPLE REDUCTION FILTER FOR CHOPPED AMPLIFIERS [patent_app_type] => utility [patent_app_number] => 15/982666 [patent_app_country] => US [patent_app_date] => 2018-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15982666 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/982666
Ripple reduction filter for chopped amplifiers May 16, 2018 Issued
Array ( [id] => 15124647 [patent_doc_number] => 20190348957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => AUDIO AMPLIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 15/979166 [patent_app_country] => US [patent_app_date] => 2018-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15979166 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/979166
Audio amplifier circuit May 13, 2018 Issued
Array ( [id] => 14415185 [patent_doc_number] => 20190173436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => SWITCHED CAPACITOR CIRCUIT TO MAKE AMOUNT OF CHANGE IN REFERENCE VOLTAGE EVEN REGARDLESS OF INPUT LEVEL [patent_app_type] => utility [patent_app_number] => 15/978233 [patent_app_country] => US [patent_app_date] => 2018-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15978233 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/978233
Switched capacitor circuit to make amount of change in reference voltage even regardless of input level May 13, 2018 Issued
Array ( [id] => 13421259 [patent_doc_number] => 20180262172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => Active Device Which has a High Breakdown Voltage, is Memory-Less, Traps Even Harmonic Signals and Circuits Used Therewith [patent_app_type] => utility [patent_app_number] => 15/978636 [patent_app_country] => US [patent_app_date] => 2018-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6554 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 15978636 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/978636
Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith May 13, 2018 Issued
Array ( [id] => 13406417 [patent_doc_number] => 20180254751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => DISTRIBUTED AMPLIFIER [patent_app_type] => utility [patent_app_number] => 15/972693 [patent_app_country] => US [patent_app_date] => 2018-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4100 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15972693 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/972693
Distributed amplifier May 6, 2018 Issued
Array ( [id] => 15110245 [patent_doc_number] => 10476458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-12 [patent_title] => Method of and apparatus for detecting open circuit conditions at an input to a signal chain and for detecting channel imbalance in a differential signal chain [patent_app_type] => utility [patent_app_number] => 15/969242 [patent_app_country] => US [patent_app_date] => 2018-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 4580 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15969242 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/969242
Method of and apparatus for detecting open circuit conditions at an input to a signal chain and for detecting channel imbalance in a differential signal chain May 1, 2018 Issued
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