Search

Matthew Van Nguyen

Examiner (ID: 15952, Phone: (571)272-2081 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2102, 2838, 2839, 2111
Total Applications
3253
Issued Applications
3031
Pending Applications
87
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6553579 [patent_doc_number] => 20100127690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-27 [patent_title] => 'SEMICONDUCTOR APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/561755 [patent_app_country] => US [patent_app_date] => 2009-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 11745 [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] => publications/A1/0127/20100127690.pdf [firstpage_image] =>[orig_patent_app_number] => 12561755 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/561755
SEMICONDUCTOR APPARATUS Sep 16, 2009 Abandoned
Array ( [id] => 6354956 [patent_doc_number] => 20100072968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-25 [patent_title] => 'CONTROL SYSTEM FOR SWITCHING DC-DC CONVERTERS' [patent_app_type] => utility [patent_app_number] => 12/560415 [patent_app_country] => US [patent_app_date] => 2009-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9305 [patent_no_of_claims] => 25 [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/A1/0072/20100072968.pdf [firstpage_image] =>[orig_patent_app_number] => 12560415 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/560415
Control system for switching DC-DC converters Sep 14, 2009 Issued
Array ( [id] => 8544850 [patent_doc_number] => 08320147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-27 [patent_title] => 'Portable device for generating two phases from a single electrical phase' [patent_app_type] => utility [patent_app_number] => 12/559007 [patent_app_country] => US [patent_app_date] => 2009-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4416 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12559007 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/559007
Portable device for generating two phases from a single electrical phase Sep 13, 2009 Issued
Array ( [id] => 6296030 [patent_doc_number] => 20100066338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-18 [patent_title] => 'VOLTAGE REGULATOR INCLUDING QUASI TRANSITION DIODE EMULATION MODE OF OPERATION' [patent_app_type] => utility [patent_app_number] => 12/558035 [patent_app_country] => US [patent_app_date] => 2009-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3370 [patent_no_of_claims] => 14 [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/A1/0066/20100066338.pdf [firstpage_image] =>[orig_patent_app_number] => 12558035 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/558035
Voltage regulator including quasi transition diode emulation mode of operation Sep 10, 2009 Issued
Array ( [id] => 4435992 [patent_doc_number] => 07898229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-01 [patent_title] => 'Supply architecture for inductive loads' [patent_app_type] => utility [patent_app_number] => 12/554546 [patent_app_country] => US [patent_app_date] => 2009-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 10430 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/898/07898229.pdf [firstpage_image] =>[orig_patent_app_number] => 12554546 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/554546
Supply architecture for inductive loads Sep 3, 2009 Issued
Array ( [id] => 8631353 [patent_doc_number] => 08363437 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-29 [patent_title] => 'Unidirectional MOSFET and applications thereof' [patent_app_type] => utility [patent_app_number] => 12/554545 [patent_app_country] => US [patent_app_date] => 2009-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 3345 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12554545 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/554545
Unidirectional MOSFET and applications thereof Sep 3, 2009 Issued
Array ( [id] => 6021868 [patent_doc_number] => 20110050194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-03 [patent_title] => 'DRIVER CIRCUIT AND TEST APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/553755 [patent_app_country] => US [patent_app_date] => 2009-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5167 [patent_no_of_claims] => 13 [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/A1/0050/20110050194.pdf [firstpage_image] =>[orig_patent_app_number] => 12553755 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/553755
Driver circuit and test apparatus Sep 2, 2009 Issued
Array ( [id] => 6577351 [patent_doc_number] => 20100061121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-11 [patent_title] => 'VOLTAGE REDUCTION DETECTION CIRCUIT AND SWITCHING POWER SUPPLY SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/553515 [patent_app_country] => US [patent_app_date] => 2009-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5901 [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/A1/0061/20100061121.pdf [firstpage_image] =>[orig_patent_app_number] => 12553515 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/553515
Voltage reduction detection circuit and switching power supply system Sep 2, 2009 Issued
Array ( [id] => 5396388 [patent_doc_number] => 20090316451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-24 [patent_title] => 'APPARATUS PROVIDING PROTECTION FOR POWER CONVERTER' [patent_app_type] => utility [patent_app_number] => 12/550397 [patent_app_country] => US [patent_app_date] => 2009-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2354 [patent_no_of_claims] => 5 [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/A1/0316/20090316451.pdf [firstpage_image] =>[orig_patent_app_number] => 12550397 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/550397
Apparatus providing protection for power converter Aug 29, 2009 Issued
Array ( [id] => 6216880 [patent_doc_number] => 20100052636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-04 [patent_title] => 'CONSTANT-VOLTAGE CIRCUIT DEVICE' [patent_app_type] => utility [patent_app_number] => 12/546945 [patent_app_country] => US [patent_app_date] => 2009-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7150 [patent_no_of_claims] => 19 [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/A1/0052/20100052636.pdf [firstpage_image] =>[orig_patent_app_number] => 12546945 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/546945
Constant-voltage circuit device Aug 24, 2009 Issued
Array ( [id] => 6069228 [patent_doc_number] => 20110044077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-24 [patent_title] => '3-PHASE HIGH-POWER UPS' [patent_app_type] => utility [patent_app_number] => 12/544815 [patent_app_country] => US [patent_app_date] => 2009-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 25132 [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/A1/0044/20110044077.pdf [firstpage_image] =>[orig_patent_app_number] => 12544815 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/544815
3-phase high-power UPS Aug 19, 2009 Issued
Array ( [id] => 8534062 [patent_doc_number] => 08310220 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-13 [patent_title] => 'Power supply controller having analog to digital converter' [patent_app_type] => utility [patent_app_number] => 12/461655 [patent_app_country] => US [patent_app_date] => 2009-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7693 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12461655 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/461655
Power supply controller having analog to digital converter Aug 18, 2009 Issued
Array ( [id] => 6536908 [patent_doc_number] => 20100232180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-16 [patent_title] => 'POWER SUPPLY UNIT, HARD DISK DRIVE AND METHOD OF SWITCHING THE POWER SUPPLY UNIT' [patent_app_type] => utility [patent_app_number] => 12/544135 [patent_app_country] => US [patent_app_date] => 2009-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7967 [patent_no_of_claims] => 13 [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/A1/0232/20100232180.pdf [firstpage_image] =>[orig_patent_app_number] => 12544135 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/544135
Power supply unit, hard disk drive and method of switching the power supply unit Aug 18, 2009 Issued
Array ( [id] => 9750413 [patent_doc_number] => 08841896 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-23 [patent_title] => 'Power factor corrected switched mode power supply' [patent_app_type] => utility [patent_app_number] => 13/061635 [patent_app_country] => US [patent_app_date] => 2009-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1190 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13061635 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/061635
Power factor corrected switched mode power supply Aug 16, 2009 Issued
Array ( [id] => 5927818 [patent_doc_number] => 20110038189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-17 [patent_title] => 'CLOSED-LOOP EFFICIENCY MODULATION FOR USE IN AC POWERED APPLICATIONS' [patent_app_type] => utility [patent_app_number] => 12/540155 [patent_app_country] => US [patent_app_date] => 2009-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4964 [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/A1/0038/20110038189.pdf [firstpage_image] =>[orig_patent_app_number] => 12540155 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/540155
Closed-loop efficiency modulation for use in AC powered applications Aug 11, 2009 Issued
Array ( [id] => 8447678 [patent_doc_number] => 08289737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-16 [patent_title] => 'Bridgeless boost PFC circuits and systems with reduced common mode EMI' [patent_app_type] => utility [patent_app_number] => 12/539045 [patent_app_country] => US [patent_app_date] => 2009-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3021 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12539045 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/539045
Bridgeless boost PFC circuits and systems with reduced common mode EMI Aug 10, 2009 Issued
Array ( [id] => 8007205 [patent_doc_number] => 08085007 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-27 [patent_title] => 'Switching power supply circuit' [patent_app_type] => utility [patent_app_number] => 12/539245 [patent_app_country] => US [patent_app_date] => 2009-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8932 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 447 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/085/08085007.pdf [firstpage_image] =>[orig_patent_app_number] => 12539245 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/539245
Switching power supply circuit Aug 10, 2009 Issued
Array ( [id] => 6209027 [patent_doc_number] => 20110133707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-09 [patent_title] => 'STABLE LOW DROPOUT VOLTAGE REGULATOR' [patent_app_type] => utility [patent_app_number] => 13/057805 [patent_app_country] => US [patent_app_date] => 2009-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3917 [patent_no_of_claims] => 21 [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/A1/0133/20110133707.pdf [firstpage_image] =>[orig_patent_app_number] => 13057805 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/057805
Stable low dropout voltage regulator Aug 4, 2009 Issued
Array ( [id] => 6517568 [patent_doc_number] => 20100014336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-21 [patent_title] => 'DC-AC Converter and Method of Supplying AC Power' [patent_app_type] => utility [patent_app_number] => 12/536279 [patent_app_country] => US [patent_app_date] => 2009-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9869 [patent_no_of_claims] => 11 [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/A1/0014/20100014336.pdf [firstpage_image] =>[orig_patent_app_number] => 12536279 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/536279
DC-AC converter and method of supplying AC power Aug 4, 2009 Issued
Array ( [id] => 7713836 [patent_doc_number] => 08093878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-10 [patent_title] => 'Switching power supply device' [patent_app_type] => utility [patent_app_number] => 12/510525 [patent_app_country] => US [patent_app_date] => 2009-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 13549 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/093/08093878.pdf [firstpage_image] =>[orig_patent_app_number] => 12510525 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/510525
Switching power supply device Jul 27, 2009 Issued
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