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] => 7480580 [patent_doc_number] => 20110248648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-13 [patent_title] => 'CIRCUITS AND METHODS FOR POWERING LIGHT SOURCES' [patent_app_type] => utility [patent_app_number] => 13/086822 [patent_app_country] => US [patent_app_date] => 2011-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 10876 [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/A1/0248/20110248648.pdf [firstpage_image] =>[orig_patent_app_number] => 13086822 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/086822
Circuits and methods for powering light sources Apr 13, 2011 Issued
Array ( [id] => 7480580 [patent_doc_number] => 20110248648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-13 [patent_title] => 'CIRCUITS AND METHODS FOR POWERING LIGHT SOURCES' [patent_app_type] => utility [patent_app_number] => 13/086822 [patent_app_country] => US [patent_app_date] => 2011-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 10876 [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/A1/0248/20110248648.pdf [firstpage_image] =>[orig_patent_app_number] => 13086822 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/086822
Circuits and methods for powering light sources Apr 13, 2011 Issued
Array ( [id] => 7480580 [patent_doc_number] => 20110248648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-13 [patent_title] => 'CIRCUITS AND METHODS FOR POWERING LIGHT SOURCES' [patent_app_type] => utility [patent_app_number] => 13/086822 [patent_app_country] => US [patent_app_date] => 2011-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 10876 [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/A1/0248/20110248648.pdf [firstpage_image] =>[orig_patent_app_number] => 13086822 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/086822
Circuits and methods for powering light sources Apr 13, 2011 Issued
Array ( [id] => 7480580 [patent_doc_number] => 20110248648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-13 [patent_title] => 'CIRCUITS AND METHODS FOR POWERING LIGHT SOURCES' [patent_app_type] => utility [patent_app_number] => 13/086822 [patent_app_country] => US [patent_app_date] => 2011-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 10876 [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/A1/0248/20110248648.pdf [firstpage_image] =>[orig_patent_app_number] => 13086822 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/086822
Circuits and methods for powering light sources Apr 13, 2011 Issued
Array ( [id] => 5956327 [patent_doc_number] => 20110181204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-28 [patent_title] => 'BALANCING TRANSFORMERS FOR MULTI-LAMP OPERATION' [patent_app_type] => utility [patent_app_number] => 13/084229 [patent_app_country] => US [patent_app_date] => 2011-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6134 [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/A1/0181/20110181204.pdf [firstpage_image] =>[orig_patent_app_number] => 13084229 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/084229
Balancing transformers for multi-lamp operation Apr 10, 2011 Issued
Array ( [id] => 8723444 [patent_doc_number] => RE044101 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2013-03-26 [patent_title] => 'Fluorescent lamp assembly having multiple settings and method' [patent_app_type] => reissue [patent_app_number] => 13/077826 [patent_app_country] => US [patent_app_date] => 2011-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5494 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13077826 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/077826
Fluorescent lamp assembly having multiple settings and method Mar 30, 2011 Issued
Array ( [id] => 6011252 [patent_doc_number] => 20110221342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-15 [patent_title] => 'PLASMA LAMP WITH DIELECTRIC WAVEGUIDE INTEGRATED WITH TRANSPARENT BULB' [patent_app_type] => utility [patent_app_number] => 13/049457 [patent_app_country] => US [patent_app_date] => 2011-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 11958 [patent_no_of_claims] => 1 [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/A1/0221/20110221342.pdf [firstpage_image] =>[orig_patent_app_number] => 13049457 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/049457
Plasma lamp with dielectric waveguide integrated with transparent bulb Mar 15, 2011 Issued
Array ( [id] => 6011250 [patent_doc_number] => 20110221341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-15 [patent_title] => 'PLASMA LAMP WITH DIELECTRIC WAVEGUIDE' [patent_app_type] => utility [patent_app_number] => 13/027713 [patent_app_country] => US [patent_app_date] => 2011-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5882 [patent_no_of_claims] => 25 [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/A1/0221/20110221341.pdf [firstpage_image] =>[orig_patent_app_number] => 13027713 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/027713
Plasma lamp with dielectric waveguide Feb 14, 2011 Issued
Array ( [id] => 6106623 [patent_doc_number] => 20110187276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-04 [patent_title] => 'Time Division Modulation With Average Current Regulation for Independent Control of Arrays of Light Emitting Diodes' [patent_app_type] => utility [patent_app_number] => 13/019764 [patent_app_country] => US [patent_app_date] => 2011-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 14579 [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/A1/0187/20110187276.pdf [firstpage_image] =>[orig_patent_app_number] => 13019764 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/019764
Time division modulation with average current regulation for independent control of arrays of light emitting diodes Feb 1, 2011 Issued
Array ( [id] => 8625576 [patent_doc_number] => 08358073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-22 [patent_title] => 'Light source unit for a semiconductor-type light source of vehicle lighting device and a vehicle lighting device' [patent_app_type] => utility [patent_app_number] => 13/008368 [patent_app_country] => US [patent_app_date] => 2011-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 33 [patent_no_of_words] => 13015 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13008368 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/008368
Light source unit for a semiconductor-type light source of vehicle lighting device and a vehicle lighting device Jan 17, 2011 Issued
Array ( [id] => 8299373 [patent_doc_number] => 20120181932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-19 [patent_title] => 'LIGHT EMITTING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/005864 [patent_app_country] => US [patent_app_date] => 2011-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3758 [patent_no_of_claims] => 23 [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] => 13005864 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/005864
Light emitting apparatus Jan 12, 2011 Issued
Array ( [id] => 8299381 [patent_doc_number] => 20120181942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-19 [patent_title] => 'COMPENSATION CIRCUIT FOR CURRENT PEAKING REDUCTION IN NOTIFICATION APPLIANCES' [patent_app_type] => utility [patent_app_number] => 13/005704 [patent_app_country] => US [patent_app_date] => 2011-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5429 [patent_no_of_claims] => 17 [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] => 13005704 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/005704
Compensation circuit for current peaking reduction in notification appliances Jan 12, 2011 Issued
Array ( [id] => 6106624 [patent_doc_number] => 20110187277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-04 [patent_title] => 'LIGHT EMITTING ELEMENT DRIVING CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/005979 [patent_app_country] => US [patent_app_date] => 2011-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5108 [patent_no_of_claims] => 12 [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/A1/0187/20110187277.pdf [firstpage_image] =>[orig_patent_app_number] => 13005979 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/005979
Light emitting element driving circuit Jan 12, 2011 Issued
Array ( [id] => 6170813 [patent_doc_number] => 20110175548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-21 [patent_title] => 'LIGHTING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/005591 [patent_app_country] => US [patent_app_date] => 2011-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7309 [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] => publications/A1/0175/20110175548.pdf [firstpage_image] =>[orig_patent_app_number] => 13005591 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/005591
LIGHTING APPARATUS Jan 12, 2011 Abandoned
Array ( [id] => 6170795 [patent_doc_number] => 20110175537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-21 [patent_title] => 'AC LED LAMP' [patent_app_type] => utility [patent_app_number] => 13/006054 [patent_app_country] => US [patent_app_date] => 2011-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3062 [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/A1/0175/20110175537.pdf [firstpage_image] =>[orig_patent_app_number] => 13006054 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/006054
AC LED lamp Jan 12, 2011 Issued
Array ( [id] => 8287704 [patent_doc_number] => 20120176033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-12 [patent_title] => 'LIGHT EMITTING DIODE WITH OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 13/005370 [patent_app_country] => US [patent_app_date] => 2011-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1817 [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] => 13005370 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/005370
Light emitting diode with oscillator Jan 11, 2011 Issued
Array ( [id] => 9469814 [patent_doc_number] => 08723450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-13 [patent_title] => 'System and method for controlling the spectral content of an output of a light fixture' [patent_app_type] => utility [patent_app_number] => 13/004931 [patent_app_country] => US [patent_app_date] => 2011-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 28 [patent_no_of_words] => 11142 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13004931 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/004931
System and method for controlling the spectral content of an output of a light fixture Jan 11, 2011 Issued
Array ( [id] => 8287737 [patent_doc_number] => 20120176063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-12 [patent_title] => 'SYSTEMS AND METHODS FOR CONTROLLING AN OUTPUT OF A LIGHT FIXTURE' [patent_app_type] => utility [patent_app_number] => 13/004922 [patent_app_country] => US [patent_app_date] => 2011-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9367 [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] => 13004922 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/004922
Systems and methods for controlling an output of a light fixture Jan 11, 2011 Issued
Array ( [id] => 8287735 [patent_doc_number] => 20120176062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-12 [patent_title] => 'LED MATRIX DRIVER GHOST IMAGE PREVENTION APPARATUS AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/004277 [patent_app_country] => US [patent_app_date] => 2011-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2954 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13004277 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/004277
LED matrix driver ghost image prevention apparatus and method Jan 10, 2011 Issued
Array ( [id] => 7978811 [patent_doc_number] => 08072153 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-06 [patent_title] => 'Multi-color backlight control circuit and multi-color backlight control method' [patent_app_type] => utility [patent_app_number] => 13/004293 [patent_app_country] => US [patent_app_date] => 2011-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 4307 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/072/08072153.pdf [firstpage_image] =>[orig_patent_app_number] => 13004293 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/004293
Multi-color backlight control circuit and multi-color backlight control method Jan 10, 2011 Issued
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