Search

David Hung Vu

Examiner (ID: 356, Phone: (571)272-1831 , Office: P/2844 )

Most Active Art Unit
2821
Art Unit(s)
2817, 2828, 2844, 2502, 2821
Total Applications
1734
Issued Applications
1511
Pending Applications
64
Abandoned Applications
163

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9704735 [patent_doc_number] => 08829806 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-09 [patent_title] => 'Variable output module and method for electrical signal output' [patent_app_type] => utility [patent_app_number] => 13/556038 [patent_app_country] => US [patent_app_date] => 2012-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 18 [patent_no_of_words] => 10838 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13556038 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/556038
Variable output module and method for electrical signal output Jul 22, 2012 Issued
Array ( [id] => 9663165 [patent_doc_number] => 08810154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-19 [patent_title] => 'Multiple location load control system' [patent_app_type] => utility [patent_app_number] => 13/540662 [patent_app_country] => US [patent_app_date] => 2012-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 33 [patent_no_of_words] => 17997 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13540662 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/540662
Multiple location load control system Jul 2, 2012 Issued
Array ( [id] => 9668408 [patent_doc_number] => 20140232271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'VOLTAGE SUPPLY ARRANGEMENT AND METHOD FOR SUPPLYING VOLTAGE TO AN ELECTRICAL LOAD WITH TRANSISTOR SATURATION CONTROL' [patent_app_type] => utility [patent_app_number] => 14/232237 [patent_app_country] => US [patent_app_date] => 2012-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9961 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14232237 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/232237
Voltage supply arrangement and method for supplying voltage to an electrical load with transistor saturation control Jun 26, 2012 Issued
Array ( [id] => 8520193 [patent_doc_number] => 20120319600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-20 [patent_title] => 'VARIABLE-EFFECT LIGHTING SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/525939 [patent_app_country] => US [patent_app_date] => 2012-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8723 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13525939 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/525939
Variable-effect lighting system Jun 17, 2012 Issued
Array ( [id] => 9051710 [patent_doc_number] => 20130249424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-26 [patent_title] => 'LIGHT EMITTING DIODE DRIVING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/494497 [patent_app_country] => US [patent_app_date] => 2012-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3486 [patent_no_of_claims] => 18 [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] => 13494497 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/494497
LIGHT EMITTING DIODE DRIVING APPARATUS Jun 11, 2012 Abandoned
Array ( [id] => 10028422 [patent_doc_number] => 09070326 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-30 [patent_title] => 'Backlight unit and method for driving the same' [patent_app_type] => utility [patent_app_number] => 13/485396 [patent_app_country] => US [patent_app_date] => 2012-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4420 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13485396 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/485396
Backlight unit and method for driving the same May 30, 2012 Issued
Array ( [id] => 10030208 [patent_doc_number] => 09072129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-30 [patent_title] => 'LCD backlight module and method for controlling the same' [patent_app_type] => utility [patent_app_number] => 13/522962 [patent_app_country] => US [patent_app_date] => 2012-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3359 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13522962 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/522962
LCD backlight module and method for controlling the same May 24, 2012 Issued
Array ( [id] => 9594982 [patent_doc_number] => 20140191659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-10 [patent_title] => 'LED LAMP CONTROL CIRCUIT' [patent_app_type] => utility [patent_app_number] => 14/233697 [patent_app_country] => US [patent_app_date] => 2012-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8653 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14233697 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/233697
LED lamp control circuit May 7, 2012 Issued
Array ( [id] => 9132394 [patent_doc_number] => 20130293107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'BALLAST INCLUDING A HEATER CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/464396 [patent_app_country] => US [patent_app_date] => 2012-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2967 [patent_no_of_claims] => 16 [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] => 13464396 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/464396
BALLAST INCLUDING A HEATER CIRCUIT May 3, 2012 Abandoned
Array ( [id] => 9021131 [patent_doc_number] => 08531118 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-10 [patent_title] => 'AC light emitting diode and AC LED drive methods and apparatus' [patent_app_type] => utility [patent_app_number] => 13/437832 [patent_app_country] => US [patent_app_date] => 2012-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 40 [patent_no_of_words] => 10219 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13437832 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/437832
AC light emitting diode and AC LED drive methods and apparatus Apr 1, 2012 Issued
Array ( [id] => 8403528 [patent_doc_number] => 20120235591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'Dimmer Switch With Adjustable High-End Trim' [patent_app_type] => utility [patent_app_number] => 13/437130 [patent_app_country] => US [patent_app_date] => 2012-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5132 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13437130 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/437130
Dimmer switch with adjustable high-end trim Apr 1, 2012 Issued
Array ( [id] => 8207562 [patent_doc_number] => 20120127718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-24 [patent_title] => 'LIGHT EMITTING DEVICE FOR AC OPERATION' [patent_app_type] => utility [patent_app_number] => 13/361631 [patent_app_country] => US [patent_app_date] => 2012-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4281 [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/A1/0127/20120127718.pdf [firstpage_image] =>[orig_patent_app_number] => 13361631 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/361631
Light emitting device for AC operation Jan 29, 2012 Issued
Array ( [id] => 8288444 [patent_doc_number] => 20120176777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-12 [patent_title] => 'HYBRID LIGHTING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/351620 [patent_app_country] => US [patent_app_date] => 2012-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 4023 [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] => 13351620 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/351620
Hybrid lighting device Jan 16, 2012 Issued
Array ( [id] => 9010136 [patent_doc_number] => 08525439 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-09-03 [patent_title] => 'Apparatus and method for discretionary adjustment of lumen output of light sources having lamp lumen depreciation characteristic compensation' [patent_app_type] => utility [patent_app_number] => 13/339011 [patent_app_country] => US [patent_app_date] => 2011-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 24601 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13339011 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/339011
Apparatus and method for discretionary adjustment of lumen output of light sources having lamp lumen depreciation characteristic compensation Dec 27, 2011 Issued
Array ( [id] => 9958770 [patent_doc_number] => 09006982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-14 [patent_title] => 'Daylight harvest lighting control system' [patent_app_type] => utility [patent_app_number] => 13/337116 [patent_app_country] => US [patent_app_date] => 2011-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4776 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13337116 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/337116
Daylight harvest lighting control system Dec 23, 2011 Issued
Array ( [id] => 8818832 [patent_doc_number] => 20130119877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => 'LIGHT SOURCE APPARATUS AND DRIVING APPARATUS THEREOF' [patent_app_type] => utility [patent_app_number] => 13/335978 [patent_app_country] => US [patent_app_date] => 2011-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5698 [patent_no_of_claims] => 28 [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] => 13335978 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/335978
Light source apparatus and driving apparatus thereof Dec 22, 2011 Issued
Array ( [id] => 8275362 [patent_doc_number] => 20120169235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'Light Assembly Having Light Sources and Adjacent Light Tubes' [patent_app_type] => utility [patent_app_number] => 13/334695 [patent_app_country] => US [patent_app_date] => 2011-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5258 [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] => 13334695 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/334695
Light assembly having light sources and adjacent light tubes Dec 21, 2011 Issued
Array ( [id] => 9649836 [patent_doc_number] => 08803859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-12 [patent_title] => 'Display driving circuit having half VDD power supply circuit built therein and display driving system including the same' [patent_app_type] => utility [patent_app_number] => 13/331706 [patent_app_country] => US [patent_app_date] => 2011-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3409 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13331706 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/331706
Display driving circuit having half VDD power supply circuit built therein and display driving system including the same Dec 19, 2011 Issued
Array ( [id] => 8818836 [patent_doc_number] => 20130119881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => 'LED LIGHTING SYSTEMS AND METHODS FOR CONSTANT CURRENT CONTROL IN VARIOUS OPERATION MODES' [patent_app_type] => utility [patent_app_number] => 13/331860 [patent_app_country] => US [patent_app_date] => 2011-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 28047 [patent_no_of_claims] => 73 [patent_no_of_ind_claims] => 20 [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] => 13331860 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/331860
LED lighting systems and methods for constant current control in various operation modes Dec 19, 2011 Issued
Array ( [id] => 8839279 [patent_doc_number] => 20130134907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-30 [patent_title] => 'LED GLASS AND METHOD FOR MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/330690 [patent_app_country] => US [patent_app_date] => 2011-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2117 [patent_no_of_claims] => 18 [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] => 13330690 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/330690
LED GLASS AND METHOD FOR MANUFACTURING THE SAME Dec 19, 2011 Pending
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