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] => 8167134 [patent_doc_number] => 20120104956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-03 [patent_title] => 'LED EMITTING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/225953 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6790 [patent_no_of_claims] => 15 [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/A1/0104/20120104956.pdf [firstpage_image] =>[orig_patent_app_number] => 13225953 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/225953
LED emitting device Sep 5, 2011 Issued
Array ( [id] => 8147267 [patent_doc_number] => 08164279 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-24 [patent_title] => 'Method for controlling light source driving circuit' [patent_app_type] => utility [patent_app_number] => 13/225574 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3450 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/164/08164279.pdf [firstpage_image] =>[orig_patent_app_number] => 13225574 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/225574
Method for controlling light source driving circuit Sep 5, 2011 Issued
Array ( [id] => 9677676 [patent_doc_number] => 08816590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Lighting device with adjustable color temperature' [patent_app_type] => utility [patent_app_number] => 13/224340 [patent_app_country] => US [patent_app_date] => 2011-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 654 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13224340 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224340
Lighting device with adjustable color temperature Sep 1, 2011 Issued
Array ( [id] => 7805597 [patent_doc_number] => 20120056549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-08 [patent_title] => 'DISCHARGE LAMP LIGHTING CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/224389 [patent_app_country] => US [patent_app_date] => 2011-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10736 [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] => publications/A1/0056/20120056549.pdf [firstpage_image] =>[orig_patent_app_number] => 13224389 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224389
Discharge lamp lighting circuit Sep 1, 2011 Issued
Array ( [id] => 9627256 [patent_doc_number] => 08796942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-05 [patent_title] => 'LED circuit' [patent_app_type] => utility [patent_app_number] => 13/223933 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3071 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13223933 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223933
LED circuit Aug 31, 2011 Issued
Array ( [id] => 8414752 [patent_doc_number] => 20120242252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'CONTROL CIRCUIT AND CONTROL METHOD FOR DIMMING LED LIGHTING CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/223660 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3406 [patent_no_of_claims] => 19 [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] => 13223660 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223660
Control circuit and control method for dimming LED lighting circuit Aug 31, 2011 Issued
Array ( [id] => 9524869 [patent_doc_number] => 08749147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-10 [patent_title] => 'LED circuit' [patent_app_type] => utility [patent_app_number] => 13/224083 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3145 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13224083 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224083
LED circuit Aug 31, 2011 Issued
Array ( [id] => 8050257 [patent_doc_number] => 20120074860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-29 [patent_title] => 'Dimming Circuit, A Light Emitting Diode Driver Including The Same And A Light Emitting Diode Driver' [patent_app_type] => utility [patent_app_number] => 13/223763 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11109 [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/A1/0074/20120074860.pdf [firstpage_image] =>[orig_patent_app_number] => 13223763 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223763
Dimming Circuit, A Light Emitting Diode Driver Including The Same And A Light Emitting Diode Driver Aug 31, 2011 Abandoned
Array ( [id] => 10851759 [patent_doc_number] => 08878448 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-04 [patent_title] => 'Circuit and method for driving LED lamp with a dimmer' [patent_app_type] => utility [patent_app_number] => 13/224325 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5039 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13224325 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224325
Circuit and method for driving LED lamp with a dimmer Aug 31, 2011 Issued
Array ( [id] => 8681338 [patent_doc_number] => 20130049622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'LOAD CURRENT MANAGEMENT CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/223080 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8290 [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] => 13223080 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223080
Load current management circuit Aug 30, 2011 Issued
Array ( [id] => 9182115 [patent_doc_number] => 08622041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-07 [patent_title] => 'Method and apparatus for operating traveling spark igniter at high pressure' [patent_app_type] => utility [patent_app_number] => 13/222298 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 10587 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13222298 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222298
Method and apparatus for operating traveling spark igniter at high pressure Aug 30, 2011 Issued
Array ( [id] => 8458706 [patent_doc_number] => 08294378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-23 [patent_title] => 'Controlling a brightness of a lamp' [patent_app_type] => utility [patent_app_number] => 13/223107 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 9917 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13223107 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223107
Controlling a brightness of a lamp Aug 30, 2011 Issued
Array ( [id] => 8681306 [patent_doc_number] => 20130049589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'DRIVER CIRCUIT FOR DIMMABLE SOLID STATE LIGHT SOURCE' [patent_app_type] => utility [patent_app_number] => 13/222465 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9061 [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] => 13222465 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222465
Driver circuit for dimmable solid state light source Aug 30, 2011 Issued
Array ( [id] => 10838705 [patent_doc_number] => 08866385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-21 [patent_title] => 'Self-ballasted lamp and lighting fixture' [patent_app_type] => utility [patent_app_number] => 13/222837 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6051 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13222837 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222837
Self-ballasted lamp and lighting fixture Aug 30, 2011 Issued
Array ( [id] => 9553020 [patent_doc_number] => 08760073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-24 [patent_title] => 'High-efficiency AC-driven LED module' [patent_app_type] => utility [patent_app_number] => 13/222220 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 3746 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13222220 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222220
High-efficiency AC-driven LED module Aug 30, 2011 Issued
Array ( [id] => 10838711 [patent_doc_number] => 08866392 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-21 [patent_title] => 'Two-level LED security light with motion sensor' [patent_app_type] => utility [patent_app_number] => 13/222090 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6321 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13222090 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222090
Two-level LED security light with motion sensor Aug 30, 2011 Issued
Array ( [id] => 8681351 [patent_doc_number] => 20130049636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'Electronic Device for Controlling Lighting Effects Using an Audio File' [patent_app_type] => utility [patent_app_number] => 13/221422 [patent_app_country] => US [patent_app_date] => 2011-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3467 [patent_no_of_claims] => 14 [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] => 13221422 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/221422
Electronic device for controlling lighting effects using an audio file Aug 29, 2011 Issued
Array ( [id] => 8368505 [patent_doc_number] => 20120217878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-30 [patent_title] => 'CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES' [patent_app_type] => utility [patent_app_number] => 13/218755 [patent_app_country] => US [patent_app_date] => 2011-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4270 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13218755 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/218755
Circuits and methods for driving light sources Aug 25, 2011 Issued
Array ( [id] => 8134713 [patent_doc_number] => 20120091908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-19 [patent_title] => 'DRIVING CIRCUIT AND DRIVING METHOD OF BACKLIGHT MODULE OF DISPLAY APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/219602 [patent_app_country] => US [patent_app_date] => 2011-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2975 [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] => publications/A1/0091/20120091908.pdf [firstpage_image] =>[orig_patent_app_number] => 13219602 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/219602
Driving circuit and driving method of backlight module of display apparatus Aug 25, 2011 Issued
Array ( [id] => 9428373 [patent_doc_number] => 08704453 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-22 [patent_title] => 'Driving circuit and lighting equipment using the same' [patent_app_type] => utility [patent_app_number] => 13/219079 [patent_app_country] => US [patent_app_date] => 2011-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4469 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 13219079 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/219079
Driving circuit and lighting equipment using the same Aug 25, 2011 Issued
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