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] => 8897309 [patent_doc_number] => 08476833 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-02 [patent_title] => 'Method for operating a light-emitting diode arrangement, and circuit arrangement' [patent_app_type] => utility [patent_app_number] => 12/986191 [patent_app_country] => US [patent_app_date] => 2011-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2810 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12986191 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/986191
Method for operating a light-emitting diode arrangement, and circuit arrangement Jan 6, 2011 Issued
Array ( [id] => 6184604 [patent_doc_number] => 20110169420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-14 [patent_title] => 'Circuit Arrangement and Method for Driving an Electrical Load' [patent_app_type] => utility [patent_app_number] => 12/985606 [patent_app_country] => US [patent_app_date] => 2011-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2801 [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/A1/0169/20110169420.pdf [firstpage_image] =>[orig_patent_app_number] => 12985606 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/985606
Circuit arrangement and method for driving an electrical load Jan 5, 2011 Issued
Array ( [id] => 7559280 [patent_doc_number] => 20110273111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-10 [patent_title] => 'DC-DC CONVERTER, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF DRIVING THE ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 12/984943 [patent_app_country] => US [patent_app_date] => 2011-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5180 [patent_no_of_claims] => 21 [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/A1/0273/20110273111.pdf [firstpage_image] =>[orig_patent_app_number] => 12984943 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/984943
DC-DC converter, organic electroluminescent display device including the same, and method of driving the organic electroluminescent display device Jan 4, 2011 Issued
Array ( [id] => 9010123 [patent_doc_number] => 08525426 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-03 [patent_title] => 'Lighting apparatus and controlling method thereof' [patent_app_type] => utility [patent_app_number] => 12/983416 [patent_app_country] => US [patent_app_date] => 2011-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6357 [patent_no_of_claims] => 18 [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] => 12983416 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/983416
Lighting apparatus and controlling method thereof Jan 2, 2011 Issued
Array ( [id] => 8275369 [patent_doc_number] => 20120169242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'OCCUPANCY SENSOR WITH MULTI-LEVEL SIGNALING' [patent_app_type] => utility [patent_app_number] => 12/981965 [patent_app_country] => US [patent_app_date] => 2010-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10198 [patent_no_of_claims] => 30 [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] =>[firstpage_image] =>[orig_patent_app_number] => 12981965 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/981965
Occupancy sensor with multi-level signaling Dec 29, 2010 Issued
Array ( [id] => 8262214 [patent_doc_number] => 20120161644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-28 [patent_title] => 'ENERGY-SAVING LAMP' [patent_app_type] => utility [patent_app_number] => 12/981548 [patent_app_country] => US [patent_app_date] => 2010-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1086 [patent_no_of_claims] => 7 [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] => 12981548 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/981548
Energy-saving lamp Dec 29, 2010 Issued
Array ( [id] => 8933297 [patent_doc_number] => 08493000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-23 [patent_title] => 'Method and system for driving light emitting elements' [patent_app_type] => utility [patent_app_number] => 12/982758 [patent_app_country] => US [patent_app_date] => 2010-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 7717 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12982758 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/982758
Method and system for driving light emitting elements Dec 29, 2010 Issued
Array ( [id] => 8275366 [patent_doc_number] => 20120169237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'HOLLOW CATHODE LAMP ELAPSED TIME RECORDING SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/982749 [patent_app_country] => US [patent_app_date] => 2010-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4238 [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] => 12982749 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/982749
Hollow cathode lamp elapsed time recording system Dec 29, 2010 Issued
Array ( [id] => 8275382 [patent_doc_number] => 20120169255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'CONTROL DEVICE FOR A DISCHARGE LAMP' [patent_app_type] => utility [patent_app_number] => 12/981378 [patent_app_country] => US [patent_app_date] => 2010-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7258 [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] =>[firstpage_image] =>[orig_patent_app_number] => 12981378 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/981378
Control device for a discharge lamp Dec 28, 2010 Issued
Array ( [id] => 8217853 [patent_doc_number] => 20120133293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-31 [patent_title] => 'STEPDOWN DC-DC CONVERTER FOR LIGHT EMITTING DIODE, AND POWER SUPPLY DEVICE AND METHOD USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/980516 [patent_app_country] => US [patent_app_date] => 2010-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3890 [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] => 12980516 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/980516
STEPDOWN DC-DC CONVERTER FOR LIGHT EMITTING DIODE, AND POWER SUPPLY DEVICE AND METHOD USING THE SAME Dec 28, 2010 Abandoned
Array ( [id] => 8193561 [patent_doc_number] => 20120119663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'LIGHT EMITTING DIODE CURRENT CONTROL CIRCUIT CAPABLE OF ENERGY RECYCLING' [patent_app_type] => utility [patent_app_number] => 12/980356 [patent_app_country] => US [patent_app_date] => 2010-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2091 [patent_no_of_claims] => 6 [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/A1/0119/20120119663.pdf [firstpage_image] =>[orig_patent_app_number] => 12980356 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/980356
LIGHT EMITTING DIODE CURRENT CONTROL CIRCUIT CAPABLE OF ENERGY RECYCLING Dec 28, 2010 Abandoned
Array ( [id] => 8665129 [patent_doc_number] => 08378592 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-19 [patent_title] => 'End of lamp life protection circuit with bi-level detections for the electronic ballast and method thereof' [patent_app_type] => utility [patent_app_number] => 12/980449 [patent_app_country] => US [patent_app_date] => 2010-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 5448 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12980449 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/980449
End of lamp life protection circuit with bi-level detections for the electronic ballast and method thereof Dec 28, 2010 Issued
Array ( [id] => 8275348 [patent_doc_number] => 20120169228 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'EXTERNAL ELECTRICAL-CONTROL LAMP WITH IMPROVED STRUCTURE' [patent_app_type] => utility [patent_app_number] => 12/981442 [patent_app_country] => US [patent_app_date] => 2010-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2245 [patent_no_of_claims] => 8 [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] => 12981442 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/981442
External electrical-control lamp with improved structure Dec 28, 2010 Issued
Array ( [id] => 6052851 [patent_doc_number] => 20110109245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-05-12 [patent_title] => 'CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES' [patent_app_type] => utility [patent_app_number] => 12/968035 [patent_app_country] => US [patent_app_date] => 2010-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4225 [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/A1/0109/20110109245.pdf [firstpage_image] =>[orig_patent_app_number] => 12968035 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/968035
Circuits and methods for driving light sources Dec 13, 2010 Issued
Array ( [id] => 8340781 [patent_doc_number] => 08242708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-14 [patent_title] => 'Multiple location load control system' [patent_app_type] => utility [patent_app_number] => 12/959939 [patent_app_country] => US [patent_app_date] => 2010-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 33 [patent_no_of_words] => 18165 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12959939 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/959939
Multiple location load control system Dec 2, 2010 Issued
Array ( [id] => 8233380 [patent_doc_number] => 08198827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-12 [patent_title] => 'Dimmer switch with adjustable high-end trim' [patent_app_type] => utility [patent_app_number] => 12/958878 [patent_app_country] => US [patent_app_date] => 2010-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4977 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/198/08198827.pdf [firstpage_image] =>[orig_patent_app_number] => 12958878 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/958878
Dimmer switch with adjustable high-end trim Dec 1, 2010 Issued
Array ( [id] => 6004577 [patent_doc_number] => 20110057570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-10 [patent_title] => 'Method and System for Luminance Characterization' [patent_app_type] => utility [patent_app_number] => 12/946768 [patent_app_country] => US [patent_app_date] => 2010-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9771 [patent_no_of_claims] => 22 [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/A1/0057/20110057570.pdf [firstpage_image] =>[orig_patent_app_number] => 12946768 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/946768
Method and system for luminance characterization Nov 14, 2010 Issued
Array ( [id] => 8295039 [patent_doc_number] => 08222826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-17 [patent_title] => 'Control of delivery of current through one or more lamps' [patent_app_type] => utility [patent_app_number] => 12/946798 [patent_app_country] => US [patent_app_date] => 2010-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 9970 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 12946798 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/946798
Control of delivery of current through one or more lamps Nov 14, 2010 Issued
Array ( [id] => 8982768 [patent_doc_number] => 08513889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-20 [patent_title] => 'Methods and apparatus for tuning matching networks' [patent_app_type] => utility [patent_app_number] => 12/899048 [patent_app_country] => US [patent_app_date] => 2010-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4490 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12899048 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/899048
Methods and apparatus for tuning matching networks Oct 5, 2010 Issued
12/852799 METHOD, APPARATUS, AND SYSTEM FOR IMAGE PROJECTION LIGHTING Aug 8, 2010 Abandoned
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