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] => 4496671 [patent_doc_number] => 07956551 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-06-07 [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] => 11/842853 [patent_app_country] => US [patent_app_date] => 2007-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 24522 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/956/07956551.pdf [firstpage_image] =>[orig_patent_app_number] => 11842853 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/842853
Apparatus and method for discretionary adjustment of lumen output of light sources having lamp lumen depreciation characteristic compensation Aug 20, 2007 Issued
Array ( [id] => 196719 [patent_doc_number] => 07635953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-22 [patent_title] => 'Insulation detection power supply and electronic ballast' [patent_app_type] => utility [patent_app_number] => 11/840281 [patent_app_country] => US [patent_app_date] => 2007-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4246 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/635/07635953.pdf [firstpage_image] =>[orig_patent_app_number] => 11840281 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/840281
Insulation detection power supply and electronic ballast Aug 16, 2007 Issued
Array ( [id] => 6586065 [patent_doc_number] => 20100000925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-07 [patent_title] => 'Method for Monitoring A Plurality of Electrical Luminous Elements and Device for Disinfecting A Substance By Means of Ultraviolet Radiation' [patent_app_type] => utility [patent_app_number] => 12/446676 [patent_app_country] => US [patent_app_date] => 2007-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3016 [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/A1/0000/20100000925.pdf [firstpage_image] =>[orig_patent_app_number] => 12446676 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/446676
Method for monitoring a plurality of electrical luminous elements and device for disinfecting a substance by means of ultraviolet radiation Aug 6, 2007 Issued
Array ( [id] => 7481903 [patent_doc_number] => 20110234116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-29 [patent_title] => 'METHOD FOR PROGRAMMING ELECTRONIC OPERATING DEVICES FOR DISCHARGE LAMPS AND ELECTRONIC OPERATING DEVICE FOR DISCHARGE LAMPS' [patent_app_type] => utility [patent_app_number] => 12/671914 [patent_app_country] => US [patent_app_date] => 2007-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2529 [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/A1/0234/20110234116.pdf [firstpage_image] =>[orig_patent_app_number] => 12671914 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/671914
Method for programming electronic operating devices for discharge lamps and electronic operating device for discharge lamps Aug 2, 2007 Issued
Array ( [id] => 4837494 [patent_doc_number] => 20080278082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-13 [patent_title] => 'PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME' [patent_app_type] => utility [patent_app_number] => 11/830882 [patent_app_country] => US [patent_app_date] => 2007-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8301 [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] => publications/A1/0278/20080278082.pdf [firstpage_image] =>[orig_patent_app_number] => 11830882 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/830882
PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME Jul 30, 2007 Abandoned
Array ( [id] => 8713927 [patent_doc_number] => 08400070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-03-19 [patent_title] => 'Electronic ballast and method for operating at least one discharge lamp' [patent_app_type] => utility [patent_app_number] => 12/671223 [patent_app_country] => US [patent_app_date] => 2007-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4325 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12671223 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/671223
Electronic ballast and method for operating at least one discharge lamp Jul 29, 2007 Issued
Array ( [id] => 5026706 [patent_doc_number] => 20070268152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-22 [patent_title] => 'METHOD AND DEVICE FOR DIMMING LIGHTING CONTROL DEVICES TO A PREDEFINED LEVEL' [patent_app_type] => utility [patent_app_number] => 11/779623 [patent_app_country] => US [patent_app_date] => 2007-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2546 [patent_no_of_claims] => 20 [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] => publications/A1/0268/20070268152.pdf [firstpage_image] =>[orig_patent_app_number] => 11779623 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/779623
Method and device for dimming lighting control devices to a predefined level Jul 17, 2007 Issued
Array ( [id] => 5288444 [patent_doc_number] => 20090021174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-22 [patent_title] => 'Controlling a Lamp Ballast' [patent_app_type] => utility [patent_app_number] => 11/779010 [patent_app_country] => US [patent_app_date] => 2007-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9890 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20090021174.pdf [firstpage_image] =>[orig_patent_app_number] => 11779010 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/779010
Controlling a lamp ballast Jul 16, 2007 Issued
Array ( [id] => 4907496 [patent_doc_number] => 20080018262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'BALLAST CONTROL CIRCUIT FOR USE WITH CCFL AND EEFL LAMPS' [patent_app_type] => utility [patent_app_number] => 11/779065 [patent_app_country] => US [patent_app_date] => 2007-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4700 [patent_no_of_claims] => 19 [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/A1/0018/20080018262.pdf [firstpage_image] =>[orig_patent_app_number] => 11779065 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/779065
Ballast control circuit for use with CCFL and EEFL lamps Jul 16, 2007 Issued
Array ( [id] => 191415 [patent_doc_number] => 07642729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-05 [patent_title] => 'Light-emitting device driving gear' [patent_app_type] => utility [patent_app_number] => 11/778530 [patent_app_country] => US [patent_app_date] => 2007-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 11624 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/642/07642729.pdf [firstpage_image] =>[orig_patent_app_number] => 11778530 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/778530
Light-emitting device driving gear Jul 15, 2007 Issued
Array ( [id] => 240035 [patent_doc_number] => 07592755 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-22 [patent_title] => 'Light source driving circuit' [patent_app_type] => utility [patent_app_number] => 11/775237 [patent_app_country] => US [patent_app_date] => 2007-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 12881 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/592/07592755.pdf [firstpage_image] =>[orig_patent_app_number] => 11775237 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/775237
Light source driving circuit Jul 9, 2007 Issued
Array ( [id] => 4925466 [patent_doc_number] => 20080164829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-10 [patent_title] => 'POWER SUPPLY DEVICE FOR LUMINOUS ELEMENT AND METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 11/773597 [patent_app_country] => US [patent_app_date] => 2007-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4320 [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] => publications/A1/0164/20080164829.pdf [firstpage_image] =>[orig_patent_app_number] => 11773597 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/773597
POWER SUPPLY DEVICE FOR LUMINOUS ELEMENT AND METHOD THEREOF Jul 4, 2007 Abandoned
Array ( [id] => 6567124 [patent_doc_number] => 20100060206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-11 [patent_title] => 'FAST ELECTROMAGNET DEVICE' [patent_app_type] => utility [patent_app_number] => 12/518704 [patent_app_country] => US [patent_app_date] => 2007-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5462 [patent_no_of_claims] => 4 [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/A1/0060/20100060206.pdf [firstpage_image] =>[orig_patent_app_number] => 12518704 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/518704
Fast electromagnet device Jul 3, 2007 Issued
Array ( [id] => 4724403 [patent_doc_number] => 20080203944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-28 [patent_title] => 'LIGHTING APPARATUS WITH CURRENT FEEDBACK' [patent_app_type] => utility [patent_app_number] => 11/767530 [patent_app_country] => US [patent_app_date] => 2007-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4817 [patent_no_of_claims] => 26 [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/A1/0203/20080203944.pdf [firstpage_image] =>[orig_patent_app_number] => 11767530 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/767530
Lighting apparatus with current feedback Jun 24, 2007 Issued
Array ( [id] => 4578005 [patent_doc_number] => 07855518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-21 [patent_title] => 'Dimming algorithms based upon light bulb type' [patent_app_type] => utility [patent_app_number] => 11/764964 [patent_app_country] => US [patent_app_date] => 2007-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3252 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/855/07855518.pdf [firstpage_image] =>[orig_patent_app_number] => 11764964 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/764964
Dimming algorithms based upon light bulb type Jun 18, 2007 Issued
Array ( [id] => 6580797 [patent_doc_number] => 20100235309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-16 [patent_title] => 'METHOD OF CONTROLLING A LIGHTING SYSTEM BASED ON A TARGET LIGHT DISTRIBUTION' [patent_app_type] => utility [patent_app_number] => 12/303753 [patent_app_country] => US [patent_app_date] => 2007-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7354 [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/A1/0235/20100235309.pdf [firstpage_image] =>[orig_patent_app_number] => 12303753 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/303753
Method of controlling a lighting system based on a target light distribution Jun 17, 2007 Issued
Array ( [id] => 4743642 [patent_doc_number] => 20080088243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-17 [patent_title] => 'DISPLAY APPARATUS AND CONTROL METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 11/764254 [patent_app_country] => US [patent_app_date] => 2007-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4188 [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] => publications/A1/0088/20080088243.pdf [firstpage_image] =>[orig_patent_app_number] => 11764254 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/764254
Display apparatus and control method thereof Jun 17, 2007 Issued
Array ( [id] => 844138 [patent_doc_number] => 07388336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-06-17 [patent_title] => 'Discharge lamp driving circuit having a signal detection circuit therein' [patent_app_type] => utility [patent_app_number] => 11/760071 [patent_app_country] => US [patent_app_date] => 2007-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4797 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/388/07388336.pdf [firstpage_image] =>[orig_patent_app_number] => 11760071 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/760071
Discharge lamp driving circuit having a signal detection circuit therein Jun 7, 2007 Issued
Array ( [id] => 4587563 [patent_doc_number] => 07852010 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-14 [patent_title] => 'Lighting device and method of lighting' [patent_app_type] => utility [patent_app_number] => 11/755162 [patent_app_country] => US [patent_app_date] => 2007-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 12954 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/852/07852010.pdf [firstpage_image] =>[orig_patent_app_number] => 11755162 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/755162
Lighting device and method of lighting May 29, 2007 Issued
Array ( [id] => 122980 [patent_doc_number] => 07710043 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-04 [patent_title] => 'Discharge-lamp lighting apparatus' [patent_app_type] => utility [patent_app_number] => 11/748888 [patent_app_country] => US [patent_app_date] => 2007-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5252 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/710/07710043.pdf [firstpage_image] =>[orig_patent_app_number] => 11748888 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/748888
Discharge-lamp lighting apparatus May 14, 2007 Issued
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