Search

Henry Choe

Examiner (ID: 6198, Phone: (571)272-1760 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2843, 2842, 2817
Total Applications
3715
Issued Applications
3420
Pending Applications
192
Abandoned Applications
146

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4463423 [patent_doc_number] => 07880548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-01 [patent_title] => 'Headphone amplifier circuit' [patent_app_type] => utility [patent_app_number] => 12/255537 [patent_app_country] => US [patent_app_date] => 2008-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 4574 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/880/07880548.pdf [firstpage_image] =>[orig_patent_app_number] => 12255537 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/255537
Headphone amplifier circuit Oct 20, 2008 Issued
Array ( [id] => 5372095 [patent_doc_number] => 20090309655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-17 [patent_title] => 'POWER AMPLIFIER' [patent_app_type] => utility [patent_app_number] => 12/254069 [patent_app_country] => US [patent_app_date] => 2008-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6796 [patent_no_of_claims] => 8 [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/A1/0309/20090309655.pdf [firstpage_image] =>[orig_patent_app_number] => 12254069 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/254069
Power amplifier Oct 19, 2008 Issued
Array ( [id] => 6580368 [patent_doc_number] => 20100097154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-22 [patent_title] => 'Broadband Active Balun' [patent_app_type] => utility [patent_app_number] => 12/253979 [patent_app_country] => US [patent_app_date] => 2008-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5455 [patent_no_of_claims] => 15 [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/A1/0097/20100097154.pdf [firstpage_image] =>[orig_patent_app_number] => 12253979 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/253979
Broadband active balun Oct 18, 2008 Issued
Array ( [id] => 134340 [patent_doc_number] => 07696817 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-04-13 [patent_title] => 'Auto-gain correction and common mode voltage cancellation in a precision amplifier' [patent_app_type] => utility [patent_app_number] => 12/253620 [patent_app_country] => US [patent_app_date] => 2008-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4102 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/696/07696817.pdf [firstpage_image] =>[orig_patent_app_number] => 12253620 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/253620
Auto-gain correction and common mode voltage cancellation in a precision amplifier Oct 16, 2008 Issued
Array ( [id] => 93606 [patent_doc_number] => 07733174 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-08 [patent_title] => 'Feedback controlled power limiting for signal amplifiers' [patent_app_type] => utility [patent_app_number] => 12/253764 [patent_app_country] => US [patent_app_date] => 2008-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4969 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/733/07733174.pdf [firstpage_image] =>[orig_patent_app_number] => 12253764 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/253764
Feedback controlled power limiting for signal amplifiers Oct 16, 2008 Issued
Array ( [id] => 5583350 [patent_doc_number] => 20090102552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-23 [patent_title] => 'SEMICONDUCTOR INTEGRATED CIRCUIT WITH VARIABLE GAIN AMPLIFIER' [patent_app_type] => utility [patent_app_number] => 12/252554 [patent_app_country] => US [patent_app_date] => 2008-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11114 [patent_no_of_claims] => 22 [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/A1/0102/20090102552.pdf [firstpage_image] =>[orig_patent_app_number] => 12252554 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/252554
Semiconductor integrated circuit with variable gain amplifier Oct 15, 2008 Issued
Array ( [id] => 240151 [patent_doc_number] => 07592871 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-09-22 [patent_title] => 'Fully differential current-feedback CMOS/bipolar operational amplifier' [patent_app_type] => utility [patent_app_number] => 12/287964 [patent_app_country] => US [patent_app_date] => 2008-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 3974 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/592/07592871.pdf [firstpage_image] =>[orig_patent_app_number] => 12287964 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/287964
Fully differential current-feedback CMOS/bipolar operational amplifier Oct 14, 2008 Issued
Array ( [id] => 104320 [patent_doc_number] => 07724091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-25 [patent_title] => 'Matrix balun' [patent_app_type] => utility [patent_app_number] => 12/251622 [patent_app_country] => US [patent_app_date] => 2008-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 6439 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/724/07724091.pdf [firstpage_image] =>[orig_patent_app_number] => 12251622 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/251622
Matrix balun Oct 14, 2008 Issued
Array ( [id] => 54533 [patent_doc_number] => 07772927 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-08-10 [patent_title] => 'Active bias Darlington amplifier' [patent_app_type] => utility [patent_app_number] => 12/245949 [patent_app_country] => US [patent_app_date] => 2008-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 5507 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/772/07772927.pdf [firstpage_image] =>[orig_patent_app_number] => 12245949 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/245949
Active bias Darlington amplifier Oct 5, 2008 Issued
Array ( [id] => 4572973 [patent_doc_number] => 07847638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-07 [patent_title] => 'Cascoded circuit' [patent_app_type] => utility [patent_app_number] => 12/244458 [patent_app_country] => US [patent_app_date] => 2008-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 15127 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/847/07847638.pdf [firstpage_image] =>[orig_patent_app_number] => 12244458 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/244458
Cascoded circuit Oct 1, 2008 Issued
Array ( [id] => 6171213 [patent_doc_number] => 20110175680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-21 [patent_title] => 'WIRELESS COMMUNICATION DEVICE AND SEMICONDUCTOR PACKAGE DEVICE HAVING A POWER AMPLIFIER THEREFOR' [patent_app_type] => utility [patent_app_number] => 13/120707 [patent_app_country] => US [patent_app_date] => 2008-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5209 [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] => publications/A1/0175/20110175680.pdf [firstpage_image] =>[orig_patent_app_number] => 13120707 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/120707
Wireless communication device and semiconductor package device having a power amplifier therefor Sep 29, 2008 Issued
Array ( [id] => 4463432 [patent_doc_number] => 07880549 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-02-01 [patent_title] => 'Transistor including intrinsic harmonic trap' [patent_app_type] => utility [patent_app_number] => 12/242495 [patent_app_country] => US [patent_app_date] => 2008-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 3927 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/880/07880549.pdf [firstpage_image] =>[orig_patent_app_number] => 12242495 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/242495
Transistor including intrinsic harmonic trap Sep 29, 2008 Issued
Array ( [id] => 5426355 [patent_doc_number] => 20090085665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'VARIABLE GAIN AMPLIFYING DEVICE' [patent_app_type] => utility [patent_app_number] => 12/240071 [patent_app_country] => US [patent_app_date] => 2008-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7459 [patent_no_of_claims] => 16 [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/A1/0085/20090085665.pdf [firstpage_image] =>[orig_patent_app_number] => 12240071 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/240071
Variable gain amplifying device Sep 28, 2008 Issued
Array ( [id] => 233383 [patent_doc_number] => 07598814 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-10-06 [patent_title] => 'Method and apparatus for an LNA with high linearity and improved gain control' [patent_app_type] => utility [patent_app_number] => 12/284810 [patent_app_country] => US [patent_app_date] => 2008-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2995 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/598/07598814.pdf [firstpage_image] =>[orig_patent_app_number] => 12284810 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/284810
Method and apparatus for an LNA with high linearity and improved gain control Sep 24, 2008 Issued
Array ( [id] => 5426361 [patent_doc_number] => 20090085671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'LOAD INDUCTOR SHARING' [patent_app_type] => utility [patent_app_number] => 12/236344 [patent_app_country] => US [patent_app_date] => 2008-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4925 [patent_no_of_claims] => 42 [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/A1/0085/20090085671.pdf [firstpage_image] =>[orig_patent_app_number] => 12236344 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/236344
Load inductor sharing Sep 22, 2008 Issued
Array ( [id] => 5506294 [patent_doc_number] => 20090079501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-26 [patent_title] => 'PROGRAMMABLE GAIN CIRCUIT AND AMPLIFICATION CIRCUIT' [patent_app_type] => utility [patent_app_number] => 12/234227 [patent_app_country] => US [patent_app_date] => 2008-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5088 [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/A1/0079/20090079501.pdf [firstpage_image] =>[orig_patent_app_number] => 12234227 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/234227
Programmable gain circuit and amplification circuit Sep 18, 2008 Issued
Array ( [id] => 5506297 [patent_doc_number] => 20090079504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-26 [patent_title] => 'Circuit Arrangement And Method For Power Regulation And Amplifier Arrangement' [patent_app_type] => utility [patent_app_number] => 12/234387 [patent_app_country] => US [patent_app_date] => 2008-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4352 [patent_no_of_claims] => 31 [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/A1/0079/20090079504.pdf [firstpage_image] =>[orig_patent_app_number] => 12234387 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/234387
Circuit arrangement and method for power regulation and amplifier arrangement Sep 18, 2008 Issued
Array ( [id] => 5294327 [patent_doc_number] => 20090009253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-08 [patent_title] => 'ANALOG CIRCUIT' [patent_app_type] => utility [patent_app_number] => 12/234105 [patent_app_country] => US [patent_app_date] => 2008-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5459 [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/A1/0009/20090009253.pdf [firstpage_image] =>[orig_patent_app_number] => 12234105 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/234105
Analog circuit Sep 18, 2008 Issued
Array ( [id] => 4578650 [patent_doc_number] => 07830208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-09 [patent_title] => 'High-power common-base amplifier employing current source output bias' [patent_app_type] => utility [patent_app_number] => 12/233307 [patent_app_country] => US [patent_app_date] => 2008-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1740 [patent_no_of_claims] => 16 [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/07/830/07830208.pdf [firstpage_image] =>[orig_patent_app_number] => 12233307 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/233307
High-power common-base amplifier employing current source output bias Sep 17, 2008 Issued
Array ( [id] => 124607 [patent_doc_number] => 07705670 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-27 [patent_title] => 'Wide-range and high-resolution programmable gain amplifier' [patent_app_type] => utility [patent_app_number] => 12/232353 [patent_app_country] => US [patent_app_date] => 2008-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3061 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 350 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/705/07705670.pdf [firstpage_image] =>[orig_patent_app_number] => 12232353 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/232353
Wide-range and high-resolution programmable gain amplifier Sep 15, 2008 Issued
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