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] => 4446448 [patent_doc_number] => 07863985 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-01-04 [patent_title] => 'High frequency amplifier linearization technique' [patent_app_type] => utility [patent_app_number] => 12/511768 [patent_app_country] => US [patent_app_date] => 2009-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2688 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/863/07863985.pdf [firstpage_image] =>[orig_patent_app_number] => 12511768 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/511768
High frequency amplifier linearization technique Jul 28, 2009 Issued
Array ( [id] => 4512102 [patent_doc_number] => 07915955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-29 [patent_title] => 'Bias balancing circuit' [patent_app_type] => utility [patent_app_number] => 12/508126 [patent_app_country] => US [patent_app_date] => 2009-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3608 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/915/07915955.pdf [firstpage_image] =>[orig_patent_app_number] => 12508126 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/508126
Bias balancing circuit Jul 22, 2009 Issued
Array ( [id] => 6282659 [patent_doc_number] => 20100156534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-24 [patent_title] => 'GAIN CONTROL DEVICE AND AMPLIFIER USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/507701 [patent_app_country] => US [patent_app_date] => 2009-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3408 [patent_no_of_claims] => 10 [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] => publications/A1/0156/20100156534.pdf [firstpage_image] =>[orig_patent_app_number] => 12507701 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/507701
Gain control device and amplifier using the same Jul 21, 2009 Issued
Array ( [id] => 4539967 [patent_doc_number] => 07889001 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-15 [patent_title] => 'Systems and methods of reduced distortion in a class D amplifier' [patent_app_type] => utility [patent_app_number] => 12/503820 [patent_app_country] => US [patent_app_date] => 2009-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 4378 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/889/07889001.pdf [firstpage_image] =>[orig_patent_app_number] => 12503820 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/503820
Systems and methods of reduced distortion in a class D amplifier Jul 14, 2009 Issued
Array ( [id] => 4519008 [patent_doc_number] => 07911280 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-22 [patent_title] => 'Amplifier stage' [patent_app_type] => utility [patent_app_number] => 12/501526 [patent_app_country] => US [patent_app_date] => 2009-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3754 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/911/07911280.pdf [firstpage_image] =>[orig_patent_app_number] => 12501526 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/501526
Amplifier stage Jul 12, 2009 Issued
Array ( [id] => 6594351 [patent_doc_number] => 20100322440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-23 [patent_title] => 'AUDIO PROCESSING CIRCUIT AND PREAMPLIFIER CIRCUIT' [patent_app_type] => utility [patent_app_number] => 12/489695 [patent_app_country] => US [patent_app_date] => 2009-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2073 [patent_no_of_claims] => 11 [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] => publications/A1/0322/20100322440.pdf [firstpage_image] =>[orig_patent_app_number] => 12489695 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/489695
Audio processing circuit and preamplifier circuit Jun 22, 2009 Issued
Array ( [id] => 5567832 [patent_doc_number] => 20090251210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-08 [patent_title] => 'Method And System For Gain Control And Power Saving In Broadband Feedback Low-Noise Amplifiers' [patent_app_type] => utility [patent_app_number] => 12/485547 [patent_app_country] => US [patent_app_date] => 2009-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5256 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0251/20090251210.pdf [firstpage_image] =>[orig_patent_app_number] => 12485547 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/485547
Method And System For Gain Control And Power Saving In Broadband Feedback Low-Noise Amplifiers Jun 15, 2009 Abandoned
Array ( [id] => 6467978 [patent_doc_number] => 20100007420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-14 [patent_title] => 'Operational amplifier' [patent_app_type] => utility [patent_app_number] => 12/457554 [patent_app_country] => US [patent_app_date] => 2009-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9450 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0007/20100007420.pdf [firstpage_image] =>[orig_patent_app_number] => 12457554 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/457554
Operational amplifier Jun 14, 2009 Abandoned
Array ( [id] => 5365389 [patent_doc_number] => 20090302948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-10 [patent_title] => 'POST AMPLIFIER WITH SELECTABLE GAIN' [patent_app_type] => utility [patent_app_number] => 12/483786 [patent_app_country] => US [patent_app_date] => 2009-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 8385 [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] => publications/A1/0302/20090302948.pdf [firstpage_image] =>[orig_patent_app_number] => 12483786 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/483786
Post amplifier with selectable gain Jun 11, 2009 Issued
Array ( [id] => 8123923 [patent_doc_number] => 20120086511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-12 [patent_title] => 'DISTRIBUTED POWER AMPLIFIER WITH ACTIVE MATCHING' [patent_app_type] => utility [patent_app_number] => 13/377719 [patent_app_country] => US [patent_app_date] => 2009-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5820 [patent_no_of_claims] => 16 [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] => publications/A1/0086/20120086511.pdf [firstpage_image] =>[orig_patent_app_number] => 13377719 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/377719
Distributed power amplifier with active matching Jun 10, 2009 Issued
Array ( [id] => 4540001 [patent_doc_number] => 07889008 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-15 [patent_title] => 'Programmable gain MOS amplifier' [patent_app_type] => utility [patent_app_number] => 12/480616 [patent_app_country] => US [patent_app_date] => 2009-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5446 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/889/07889008.pdf [firstpage_image] =>[orig_patent_app_number] => 12480616 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/480616
Programmable gain MOS amplifier Jun 7, 2009 Issued
Array ( [id] => 4436363 [patent_doc_number] => 07898323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-01 [patent_title] => 'Amplifying circuit with offset compensation' [patent_app_type] => utility [patent_app_number] => 12/479140 [patent_app_country] => US [patent_app_date] => 2009-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5117 [patent_no_of_claims] => 17 [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] => patents/07/898/07898323.pdf [firstpage_image] =>[orig_patent_app_number] => 12479140 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/479140
Amplifying circuit with offset compensation Jun 4, 2009 Issued
Array ( [id] => 5365386 [patent_doc_number] => 20090302945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-10 [patent_title] => 'LINEARIZING TECHNIQUE FOR POWER AMPLIFIERS' [patent_app_type] => utility [patent_app_number] => 12/478173 [patent_app_country] => US [patent_app_date] => 2009-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9351 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0302/20090302945.pdf [firstpage_image] =>[orig_patent_app_number] => 12478173 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/478173
Linearizing technique for power amplifiers Jun 3, 2009 Issued
Array ( [id] => 4537837 [patent_doc_number] => 07872533 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-18 [patent_title] => 'Leakage current reduction in a power regulator' [patent_app_type] => utility [patent_app_number] => 12/455671 [patent_app_country] => US [patent_app_date] => 2009-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4101 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/872/07872533.pdf [firstpage_image] =>[orig_patent_app_number] => 12455671 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/455671
Leakage current reduction in a power regulator Jun 2, 2009 Issued
Array ( [id] => 5365378 [patent_doc_number] => 20090302937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-10 [patent_title] => 'AMPLIFIER USING SIGMA-DELTA MODULATION AND METHOD FOR ADJUSTING ERRORS OF THE AMPLIFIER THEREOF' [patent_app_type] => utility [patent_app_number] => 12/477119 [patent_app_country] => US [patent_app_date] => 2009-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3950 [patent_no_of_claims] => 10 [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] => publications/A1/0302/20090302937.pdf [firstpage_image] =>[orig_patent_app_number] => 12477119 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/477119
Amplifier using sigma-delta modulation and method for adjusting errors of the amplifier thereof Jun 1, 2009 Issued
Array ( [id] => 5300829 [patent_doc_number] => 20090295481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-03 [patent_title] => 'HIGH SPEED DIFFERENTIAL TO SINGLE ENDED CONVERTING CIRCUIT' [patent_app_type] => utility [patent_app_number] => 12/475857 [patent_app_country] => US [patent_app_date] => 2009-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4217 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0295/20090295481.pdf [firstpage_image] =>[orig_patent_app_number] => 12475857 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/475857
High speed differential to single ended converting circuit May 31, 2009 Issued
Array ( [id] => 4614771 [patent_doc_number] => 07990216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Cross-coupled low noise amplifier for cellular applications' [patent_app_type] => utility [patent_app_number] => 12/474021 [patent_app_country] => US [patent_app_date] => 2009-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5625 [patent_no_of_claims] => 20 [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] => patents/07/990/07990216.pdf [firstpage_image] =>[orig_patent_app_number] => 12474021 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/474021
Cross-coupled low noise amplifier for cellular applications May 27, 2009 Issued
Array ( [id] => 5488638 [patent_doc_number] => 20090289709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Closed loop timing feedback for PWM switching amplifiers using predictive feedback compensation' [patent_app_type] => utility [patent_app_number] => 12/454534 [patent_app_country] => US [patent_app_date] => 2009-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 15480 [patent_no_of_claims] => 24 [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] => publications/A1/0289/20090289709.pdf [firstpage_image] =>[orig_patent_app_number] => 12454534 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/454534
Closed loop timing feedback for PWM switching amplifiers using predictive feedback compensation May 18, 2009 Issued
Array ( [id] => 5488637 [patent_doc_number] => 20090289708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Predictive feedback compensation for PWM switching amplifiers' [patent_app_type] => utility [patent_app_number] => 12/454521 [patent_app_country] => US [patent_app_date] => 2009-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 14788 [patent_no_of_claims] => 26 [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] => publications/A1/0289/20090289708.pdf [firstpage_image] =>[orig_patent_app_number] => 12454521 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/454521
Predictive feedback compensation for PWM switching amplifiers May 18, 2009 Issued
Array ( [id] => 4578654 [patent_doc_number] => 07855600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-21 [patent_title] => 'Two-stage operational amplifier with class AB output stage' [patent_app_type] => utility [patent_app_number] => 12/468124 [patent_app_country] => US [patent_app_date] => 2009-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8076 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/855/07855600.pdf [firstpage_image] =>[orig_patent_app_number] => 12468124 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/468124
Two-stage operational amplifier with class AB output stage May 18, 2009 Issued
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