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] => 4686087 [patent_doc_number] => 20080030268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-07 [patent_title] => 'MULTI-CHANNEL, MULTI-POWER CLASS D AMPLIFIER WITH REGULATED POWER SUPPLY' [patent_app_type] => utility [patent_app_number] => 11/868896 [patent_app_country] => US [patent_app_date] => 2007-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10413 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0030/20080030268.pdf [firstpage_image] =>[orig_patent_app_number] => 11868896 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/868896
MULTI-CHANNEL, MULTI-POWER CLASS D AMPLIFIER WITH REGULATED POWER SUPPLY Oct 7, 2007 Abandoned
Array ( [id] => 5346711 [patent_doc_number] => 20090002072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-01 [patent_title] => 'POWER AMPLIFICATION DEVICE' [patent_app_type] => utility [patent_app_number] => 11/865815 [patent_app_country] => US [patent_app_date] => 2007-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10179 [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/A1/0002/20090002072.pdf [firstpage_image] =>[orig_patent_app_number] => 11865815 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/865815
Power amplification device Oct 1, 2007 Issued
Array ( [id] => 4686092 [patent_doc_number] => 20080030273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-07 [patent_title] => 'Active load with adjustable common-mode level' [patent_app_type] => utility [patent_app_number] => 11/905287 [patent_app_country] => US [patent_app_date] => 2007-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3237 [patent_no_of_claims] => 18 [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/A1/0030/20080030273.pdf [firstpage_image] =>[orig_patent_app_number] => 11905287 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/905287
Active load with adjustable common-mode level Sep 27, 2007 Issued
Array ( [id] => 5426359 [patent_doc_number] => 20090085669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'Method and apparatus to enhance linearity and efficiency in an RF power amplifier' [patent_app_type] => utility [patent_app_number] => 11/904864 [patent_app_country] => US [patent_app_date] => 2007-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2998 [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/A1/0085/20090085669.pdf [firstpage_image] =>[orig_patent_app_number] => 11904864 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/904864
Method and apparatus to enhance linearity and efficiency in an RF power amplifier Sep 27, 2007 Issued
Array ( [id] => 282398 [patent_doc_number] => 07554399 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-06-30 [patent_title] => 'Protection circuit and method for protecting switching power amplifier circuits during reset' [patent_app_type] => utility [patent_app_number] => 11/862324 [patent_app_country] => US [patent_app_date] => 2007-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4542 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/554/07554399.pdf [firstpage_image] =>[orig_patent_app_number] => 11862324 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/862324
Protection circuit and method for protecting switching power amplifier circuits during reset Sep 26, 2007 Issued
Array ( [id] => 186343 [patent_doc_number] => 07646241 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-12 [patent_title] => 'Low-voltage operational amplifier and operational amplifying method' [patent_app_type] => utility [patent_app_number] => 11/862772 [patent_app_country] => US [patent_app_date] => 2007-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7616 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 395 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/646/07646241.pdf [firstpage_image] =>[orig_patent_app_number] => 11862772 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/862772
Low-voltage operational amplifier and operational amplifying method Sep 26, 2007 Issued
Array ( [id] => 4907640 [patent_doc_number] => 20080018406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'Methods and systems to provide a plurality of signals having respective different phases' [patent_app_type] => utility [patent_app_number] => 11/902604 [patent_app_country] => US [patent_app_date] => 2007-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8900 [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/A1/0018/20080018406.pdf [firstpage_image] =>[orig_patent_app_number] => 11902604 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/902604
Methods and systems to provide a plurality of signals having respective different phases Sep 23, 2007 Issued
Array ( [id] => 217700 [patent_doc_number] => 07612612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-03 [patent_title] => 'Calibration circuitry and delay cells in rectilinear RF power amplifier' [patent_app_type] => utility [patent_app_number] => 11/860392 [patent_app_country] => US [patent_app_date] => 2007-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 24 [patent_no_of_words] => 6713 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/612/07612612.pdf [firstpage_image] =>[orig_patent_app_number] => 11860392 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/860392
Calibration circuitry and delay cells in rectilinear RF power amplifier Sep 23, 2007 Issued
Array ( [id] => 4936868 [patent_doc_number] => 20080074182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-27 [patent_title] => 'DEVICE AND METHOD INCLUDING CURRENT MEASUREMENT AND/OR AMPLIFICATION' [patent_app_type] => utility [patent_app_number] => 11/858271 [patent_app_country] => US [patent_app_date] => 2007-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8695 [patent_no_of_claims] => 21 [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/A1/0074/20080074182.pdf [firstpage_image] =>[orig_patent_app_number] => 11858271 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/858271
Device and method including current measurement and/or amplification Sep 19, 2007 Issued
Array ( [id] => 4821532 [patent_doc_number] => 20080122536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-29 [patent_title] => 'Three-stage amplifier' [patent_app_type] => utility [patent_app_number] => 11/903191 [patent_app_country] => US [patent_app_date] => 2007-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5186 [patent_no_of_claims] => 9 [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/A1/0122/20080122536.pdf [firstpage_image] =>[orig_patent_app_number] => 11903191 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/903191
Three-stage amplifier Sep 19, 2007 Issued
Array ( [id] => 4795742 [patent_doc_number] => 20080007328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-10 [patent_title] => 'MULTIPLE POWER MODE AMPLIFIER WITH BIAS MODULATION OPTION AND WITHOUT BYPASS SWITCHES' [patent_app_type] => utility [patent_app_number] => 11/857923 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 34 [patent_no_of_words] => 14269 [patent_no_of_claims] => 15 [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/A1/0007/20080007328.pdf [firstpage_image] =>[orig_patent_app_number] => 11857923 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857923
Multiple power mode amplifier with bias modulation option and without bypass switches Sep 18, 2007 Issued
Array ( [id] => 837587 [patent_doc_number] => 07394313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-07-01 [patent_title] => 'Multiple power mode amplifier with bias modulation option and without bypass switches' [patent_app_type] => utility [patent_app_number] => 11/857603 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 38 [patent_no_of_words] => 14270 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/394/07394313.pdf [firstpage_image] =>[orig_patent_app_number] => 11857603 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857603
Multiple power mode amplifier with bias modulation option and without bypass switches Sep 18, 2007 Issued
Array ( [id] => 889726 [patent_doc_number] => 07348841 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-03-25 [patent_title] => 'Multiple power mode amplifier with bias modulation option and without bypass switches' [patent_app_type] => utility [patent_app_number] => 11/857997 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 38 [patent_no_of_words] => 14320 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/348/07348841.pdf [firstpage_image] =>[orig_patent_app_number] => 11857997 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857997
Multiple power mode amplifier with bias modulation option and without bypass switches Sep 18, 2007 Issued
Array ( [id] => 334855 [patent_doc_number] => 07508268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-03-24 [patent_title] => 'Power amplifier and transmission and reception system' [patent_app_type] => utility [patent_app_number] => 11/857737 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4134 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/508/07508268.pdf [firstpage_image] =>[orig_patent_app_number] => 11857737 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857737
Power amplifier and transmission and reception system Sep 18, 2007 Issued
Array ( [id] => 844229 [patent_doc_number] => 07388427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-06-17 [patent_title] => 'Multiple power mode amplifier with bias modulation option and without bypass switches' [patent_app_type] => utility [patent_app_number] => 11/857966 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 38 [patent_no_of_words] => 14269 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/388/07388427.pdf [firstpage_image] =>[orig_patent_app_number] => 11857966 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857966
Multiple power mode amplifier with bias modulation option and without bypass switches Sep 18, 2007 Issued
Array ( [id] => 5269115 [patent_doc_number] => 20090072890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-19 [patent_title] => 'BIAS CONTROL CIRCUITRY FOR AMPLIFIERS AND RELATED SYSTEMS AND METHODS OF OPERATION' [patent_app_type] => utility [patent_app_number] => 11/857924 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4838 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20090072890.pdf [firstpage_image] =>[orig_patent_app_number] => 11857924 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857924
Bias control circuitry for amplifiers and related systems and methods of operation Sep 18, 2007 Issued
Array ( [id] => 5269134 [patent_doc_number] => 20090072909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-19 [patent_title] => 'CURRENT MIRROR CIRCUIT' [patent_app_type] => utility [patent_app_number] => 11/856677 [patent_app_country] => US [patent_app_date] => 2007-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2539 [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] => publications/A1/0072/20090072909.pdf [firstpage_image] =>[orig_patent_app_number] => 11856677 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/856677
Current mirror circuit Sep 16, 2007 Issued
Array ( [id] => 304154 [patent_doc_number] => 07535295 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-05-19 [patent_title] => 'Chopper stabilized amplifiers combining low chopper noise and linear frequency characteristics' [patent_app_type] => utility [patent_app_number] => 11/855461 [patent_app_country] => US [patent_app_date] => 2007-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 2811 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/535/07535295.pdf [firstpage_image] =>[orig_patent_app_number] => 11855461 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/855461
Chopper stabilized amplifiers combining low chopper noise and linear frequency characteristics Sep 13, 2007 Issued
Array ( [id] => 7764149 [patent_doc_number] => 08115540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-02-14 [patent_title] => 'Amplifying apparatus, method of output control and control program' [patent_app_type] => utility [patent_app_number] => 12/440977 [patent_app_country] => US [patent_app_date] => 2007-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 44 [patent_no_of_words] => 13053 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/115/08115540.pdf [firstpage_image] =>[orig_patent_app_number] => 12440977 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/440977
Amplifying apparatus, method of output control and control program Sep 12, 2007 Issued
Array ( [id] => 5395683 [patent_doc_number] => 20090315746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-24 [patent_title] => 'METHOD AND SYSTEM FOR CALIBRATING AN ANALOGUE I/Q-MODULATOR OF A TRANSMITTER' [patent_app_type] => utility [patent_app_number] => 12/441783 [patent_app_country] => US [patent_app_date] => 2007-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4348 [patent_no_of_claims] => 41 [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/A1/0315/20090315746.pdf [firstpage_image] =>[orig_patent_app_number] => 12441783 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/441783
Method and system for calibrating an analogue I/Q-modulator of a transmitter Sep 9, 2007 Issued
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