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] => 12955429 [patent_doc_number] => 09837973 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-05 [patent_title] => High voltage input circuit for a differential amplifier [patent_app_type] => utility [patent_app_number] => 13/950643 [patent_app_country] => US [patent_app_date] => 2013-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 2693 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13950643 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/950643
High voltage input circuit for a differential amplifier Jul 24, 2013 Issued
Array ( [id] => 10858498 [patent_doc_number] => 08884703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'VRAMP limiting using resistors' [patent_app_type] => utility [patent_app_number] => 13/950768 [patent_app_country] => US [patent_app_date] => 2013-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5473 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13950768 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/950768
VRAMP limiting using resistors Jul 24, 2013 Issued
Array ( [id] => 9267097 [patent_doc_number] => 20140022013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-23 [patent_title] => 'ANTENNA DRIVE APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/944590 [patent_app_country] => US [patent_app_date] => 2013-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11434 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13944590 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/944590
Antenna drive apparatus Jul 16, 2013 Issued
Array ( [id] => 10851924 [patent_doc_number] => 08878612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-04 [patent_title] => 'Accurate bias tracking for process variation and supply modulation' [patent_app_type] => utility [patent_app_number] => 13/944608 [patent_app_country] => US [patent_app_date] => 2013-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4695 [patent_no_of_claims] => 18 [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] => 13944608 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/944608
Accurate bias tracking for process variation and supply modulation Jul 16, 2013 Issued
Array ( [id] => 10042578 [patent_doc_number] => 09083296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-14 [patent_title] => 'Folded cascode amplifier' [patent_app_type] => utility [patent_app_number] => 13/944683 [patent_app_country] => US [patent_app_date] => 2013-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7789 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13944683 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/944683
Folded cascode amplifier Jul 16, 2013 Issued
Array ( [id] => 9818618 [patent_doc_number] => 08928409 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-01-06 [patent_title] => 'Trans-capacitance amplifier with picoAmperes input biasing and large output swing' [patent_app_type] => utility [patent_app_number] => 13/940261 [patent_app_country] => US [patent_app_date] => 2013-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2904 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13940261 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/940261
Trans-capacitance amplifier with picoAmperes input biasing and large output swing Jul 11, 2013 Issued
Array ( [id] => 9233643 [patent_doc_number] => 08598952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-03 [patent_title] => 'Voltage variable type digital audio amplifying device for noise compensation and method thereof' [patent_app_type] => utility [patent_app_number] => 13/939875 [patent_app_country] => US [patent_app_date] => 2013-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3573 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [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] => 13939875 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/939875
Voltage variable type digital audio amplifying device for noise compensation and method thereof Jul 10, 2013 Issued
Array ( [id] => 9824267 [patent_doc_number] => 08933755 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-13 [patent_title] => 'Unity-gain buffer with enhanced slew rate' [patent_app_type] => utility [patent_app_number] => 13/939493 [patent_app_country] => US [patent_app_date] => 2013-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 5145 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13939493 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/939493
Unity-gain buffer with enhanced slew rate Jul 10, 2013 Issued
Array ( [id] => 9428513 [patent_doc_number] => 08704593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-22 [patent_title] => 'Metamaterial power amplifier systems' [patent_app_type] => utility [patent_app_number] => 13/933738 [patent_app_country] => US [patent_app_date] => 2013-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 45 [patent_figures_cnt] => 55 [patent_no_of_words] => 20349 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13933738 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/933738
Metamaterial power amplifier systems Jul 1, 2013 Issued
Array ( [id] => 9790278 [patent_doc_number] => 20150002222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-01 [patent_title] => 'COMBINED INPUT STAGE FOR TRANSCONDUCTANCE AMPLIFIER HAVING GAIN LINEARITY OVER INCREASED INPUT VOLTAGE RANGE' [patent_app_type] => utility [patent_app_number] => 13/930764 [patent_app_country] => US [patent_app_date] => 2013-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1365 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13930764 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/930764
Combined input stage for transconductance amplifier having gain linearity over increased input voltage range Jun 27, 2013 Issued
Array ( [id] => 10965237 [patent_doc_number] => 20140368269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'Current Divider Based Voltage Controlled Gain Amplifier' [patent_app_type] => utility [patent_app_number] => 13/929440 [patent_app_country] => US [patent_app_date] => 2013-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9098 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13929440 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/929440
Current divider based voltage controlled gain amplifier Jun 26, 2013 Issued
Array ( [id] => 10538367 [patent_doc_number] => 09264005 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-02-16 [patent_title] => 'Techniques for efficient radio frequency power amplifier' [patent_app_type] => utility [patent_app_number] => 13/928269 [patent_app_country] => US [patent_app_date] => 2013-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4970 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13928269 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/928269
Techniques for efficient radio frequency power amplifier Jun 25, 2013 Issued
Array ( [id] => 9530834 [patent_doc_number] => 08754711 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-17 [patent_title] => 'Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff' [patent_app_type] => utility [patent_app_number] => 13/926851 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3966 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13926851 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/926851
Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff Jun 24, 2013 Issued
Array ( [id] => 9220835 [patent_doc_number] => 20140015610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-16 [patent_title] => 'AMPLIFIERS WITH ENHANCED POWER SUPPLY REJECTION RATIO AT THE OUTPUT STAGE' [patent_app_type] => utility [patent_app_number] => 13/922884 [patent_app_country] => US [patent_app_date] => 2013-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5119 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13922884 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/922884
Amplifiers with enhanced power supply rejection ratio at the output stage Jun 19, 2013 Issued
Array ( [id] => 9889700 [patent_doc_number] => 08975962 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-10 [patent_title] => 'Slew-enhanced operational transconductance amplifier' [patent_app_type] => utility [patent_app_number] => 13/922187 [patent_app_country] => US [patent_app_date] => 2013-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 9514 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13922187 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/922187
Slew-enhanced operational transconductance amplifier Jun 18, 2013 Issued
Array ( [id] => 10965244 [patent_doc_number] => 20140368276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'SELF-BIASED RECEIVER' [patent_app_type] => utility [patent_app_number] => 13/918771 [patent_app_country] => US [patent_app_date] => 2013-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2991 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13918771 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/918771
Self-biased receiver Jun 13, 2013 Issued
Array ( [id] => 10513178 [patent_doc_number] => 09240759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-19 [patent_title] => 'Amplifier assembly' [patent_app_type] => utility [patent_app_number] => 14/408517 [patent_app_country] => US [patent_app_date] => 2013-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3563 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14408517 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/408517
Amplifier assembly Jun 11, 2013 Issued
Array ( [id] => 10958808 [patent_doc_number] => 20140361833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-11 [patent_title] => 'SINGLE-INPUT CLASS-AB RAIL-TO-RAIL OUTPUT STAGE' [patent_app_type] => utility [patent_app_number] => 13/912629 [patent_app_country] => US [patent_app_date] => 2013-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5272 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13912629 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/912629
Single input class-AB rail-to-rail output stage Jun 6, 2013 Issued
Array ( [id] => 9079581 [patent_doc_number] => 20130265111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-10 [patent_title] => 'POWER AMPLIFIER AND OPERATING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/908135 [patent_app_country] => US [patent_app_date] => 2013-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 24727 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13908135 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/908135
Power amplifier and operating method thereof Jun 2, 2013 Issued
Array ( [id] => 10118685 [patent_doc_number] => 09153573 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-06 [patent_title] => 'Semiconductor apparatus comprised of two types of transistors' [patent_app_type] => utility [patent_app_number] => 13/904100 [patent_app_country] => US [patent_app_date] => 2013-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 4243 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13904100 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/904100
Semiconductor apparatus comprised of two types of transistors May 28, 2013 Issued
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