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] => 9958766 [patent_doc_number] => 09006979 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-14 [patent_title] => 'Protection circuit with low energy-consumption and driving circuit thereof' [patent_app_type] => utility [patent_app_number] => 14/000621 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2472 [patent_no_of_claims] => 16 [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] => 14000621 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/000621
Protection circuit with low energy-consumption and driving circuit thereof Jun 24, 2013 Issued
Array ( [id] => 9145782 [patent_doc_number] => 20130300305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'Lighting Control System and Method' [patent_app_type] => utility [patent_app_number] => 13/902548 [patent_app_country] => US [patent_app_date] => 2013-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 14173 [patent_no_of_claims] => 30 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13902548 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/902548
Lighting control system and method May 23, 2013 Issued
Array ( [id] => 9566373 [patent_doc_number] => 20140184086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-03 [patent_title] => 'APPARATUS FOR DRIVING LIGHT EMITTING DIODE' [patent_app_type] => utility [patent_app_number] => 13/891948 [patent_app_country] => US [patent_app_date] => 2013-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2796 [patent_no_of_claims] => 17 [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] => 13891948 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/891948
Apparatus for driving light emitting diode May 9, 2013 Issued
Array ( [id] => 9717286 [patent_doc_number] => 20140252983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'Method for Controlling Lamps and Computer Program Product Thereof' [patent_app_type] => utility [patent_app_number] => 13/891304 [patent_app_country] => US [patent_app_date] => 2013-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3482 [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] => 13891304 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/891304
Method for controlling lamps and computer program product thereof May 9, 2013 Issued
Array ( [id] => 10930205 [patent_doc_number] => 20140333226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-13 [patent_title] => 'MR16 GU5.3 DIMMABLE LAMP' [patent_app_type] => utility [patent_app_number] => 13/891055 [patent_app_country] => US [patent_app_date] => 2013-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 3643 [patent_no_of_claims] => 23 [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] => 13891055 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/891055
MR16 GU5.3 DIMMABLE LAMP May 8, 2013 Abandoned
Array ( [id] => 10883191 [patent_doc_number] => 08907574 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-09 [patent_title] => 'LED light string with open circuit protection' [patent_app_type] => utility [patent_app_number] => 13/890456 [patent_app_country] => US [patent_app_date] => 2013-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 977 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13890456 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/890456
LED light string with open circuit protection May 8, 2013 Issued
Array ( [id] => 9566357 [patent_doc_number] => 20140184070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-03 [patent_title] => 'LUMINARIE' [patent_app_type] => utility [patent_app_number] => 13/889356 [patent_app_country] => US [patent_app_date] => 2013-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 3356 [patent_no_of_claims] => 9 [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] => 13889356 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/889356
LUMINARIE May 7, 2013 Abandoned
Array ( [id] => 10917000 [patent_doc_number] => 20140320019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-30 [patent_title] => 'METHOD AND SYSTEM FOR LIGHT ARRAY THERMAL SLOPE DETECTION' [patent_app_type] => utility [patent_app_number] => 13/890076 [patent_app_country] => US [patent_app_date] => 2013-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8924 [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] => 13890076 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/890076
Method and system for light array thermal slope detection May 7, 2013 Issued
Array ( [id] => 10877064 [patent_doc_number] => 08901854 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-12-02 [patent_title] => 'Multi-segment LED driving circuit' [patent_app_type] => utility [patent_app_number] => 13/889535 [patent_app_country] => US [patent_app_date] => 2013-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3515 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13889535 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/889535
Multi-segment LED driving circuit May 7, 2013 Issued
Array ( [id] => 9704747 [patent_doc_number] => 08829819 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-09-09 [patent_title] => 'Enhanced active preload for high performance LED driver with extended dimming' [patent_app_type] => utility [patent_app_number] => 13/889193 [patent_app_country] => US [patent_app_date] => 2013-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 13262 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13889193 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/889193
Enhanced active preload for high performance LED driver with extended dimming May 6, 2013 Issued
Array ( [id] => 10883208 [patent_doc_number] => 08907591 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-09 [patent_title] => 'Method and system for driving light emitting elements' [patent_app_type] => utility [patent_app_number] => 13/873808 [patent_app_country] => US [patent_app_date] => 2013-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 7740 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13873808 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/873808
Method and system for driving light emitting elements Apr 29, 2013 Issued
Array ( [id] => 9014158 [patent_doc_number] => 20130229122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-05 [patent_title] => 'ILLUMINATION DEVICE INCLUDING LEDS AND A SWITCHING POWER CONTROL SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/860694 [patent_app_country] => US [patent_app_date] => 2013-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5527 [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] => 13860694 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/860694
Illumination device including LEDs and a switching power control system Apr 10, 2013 Issued
Array ( [id] => 9928802 [patent_doc_number] => 20150076994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-19 [patent_title] => 'DIGITAL COMMUNICATION INTERFACE CIRCUIT FOR LINE-PAIR WITH INDIVIDUALLY ADJUSTABLE TRANSITION EDGES' [patent_app_type] => utility [patent_app_number] => 14/391397 [patent_app_country] => US [patent_app_date] => 2013-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7276 [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] => 14391397 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/391397
Digital communication interface circuit for line-pair with individually adjustable transition edges Apr 8, 2013 Issued
Array ( [id] => 10888734 [patent_doc_number] => 08912731 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-16 [patent_title] => 'LED backlight driving circuit and backlight module' [patent_app_type] => utility [patent_app_number] => 13/884294 [patent_app_country] => US [patent_app_date] => 2013-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7375 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13884294 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/884294
LED backlight driving circuit and backlight module Apr 1, 2013 Issued
Array ( [id] => 9167386 [patent_doc_number] => 08593069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-26 [patent_title] => 'Power converter with compensation circuit for adjusting output current provided to a constant load' [patent_app_type] => utility [patent_app_number] => 13/846439 [patent_app_country] => US [patent_app_date] => 2013-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 6959 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13846439 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/846439
Power converter with compensation circuit for adjusting output current provided to a constant load Mar 17, 2013 Issued
Array ( [id] => 8961195 [patent_doc_number] => 20130200797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-08 [patent_title] => 'LIGHT SOURCES INCORPORATING LIGHT EMITTING DIODES' [patent_app_type] => utility [patent_app_number] => 13/836825 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4798 [patent_no_of_claims] => 14 [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] => 13836825 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/836825
LIGHT SOURCES INCORPORATING LIGHT EMITTING DIODES Mar 14, 2013 Abandoned
Array ( [id] => 9542975 [patent_doc_number] => 20140167622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'AUTO COMMISSIONING LIGHTING FIXTURE' [patent_app_type] => utility [patent_app_number] => 13/782078 [patent_app_country] => US [patent_app_date] => 2013-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 41 [patent_no_of_words] => 35165 [patent_no_of_claims] => 30 [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] => 13782078 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/782078
Auto commissioning lighting fixture Feb 28, 2013 Issued
Array ( [id] => 8901672 [patent_doc_number] => 20130169175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'Continuous Step Driver' [patent_app_type] => utility [patent_app_number] => 13/777012 [patent_app_country] => US [patent_app_date] => 2013-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7094 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13777012 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/777012
Continuous Step Driver Feb 25, 2013 Abandoned
Array ( [id] => 8888957 [patent_doc_number] => 20130162141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'LIGHT SOURCE TURN-ON/OFF CONTROLLER' [patent_app_type] => utility [patent_app_number] => 13/774603 [patent_app_country] => US [patent_app_date] => 2013-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 23042 [patent_no_of_claims] => 19 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13774603 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/774603
Light source turn-on/off controller Feb 21, 2013 Issued
Array ( [id] => 8888345 [patent_doc_number] => 20130161529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'SWITCHING MICRO-RESONANT STRUCTURES BY MODULATING A BEAM OF CHARGED PARTICLES' [patent_app_type] => utility [patent_app_number] => 13/774593 [patent_app_country] => US [patent_app_date] => 2013-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 8031 [patent_no_of_claims] => 15 [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] => 13774593 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/774593
Switching micro-resonant structures by modulating a beam of charged particles Feb 21, 2013 Issued
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