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] => 338671 [patent_doc_number] => 07505016 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-03-17 [patent_title] => 'Apparatus and method for driving liquid crystal display device' [patent_app_type] => utility [patent_app_number] => 11/646483 [patent_app_country] => US [patent_app_date] => 2006-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 5902 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/505/07505016.pdf [firstpage_image] =>[orig_patent_app_number] => 11646483 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/646483
Apparatus and method for driving liquid crystal display device Dec 27, 2006 Issued
Array ( [id] => 5257356 [patent_doc_number] => 20070210988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-13 [patent_title] => 'Method and apparatus for driving plasma display panel' [patent_app_type] => utility [patent_app_number] => 11/645822 [patent_app_country] => US [patent_app_date] => 2006-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7043 [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/A1/0210/20070210988.pdf [firstpage_image] =>[orig_patent_app_number] => 11645822 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/645822
Method and apparatus for driving plasma display panel Dec 26, 2006 Abandoned
Array ( [id] => 4770156 [patent_doc_number] => 20080055814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-06 [patent_title] => 'Lamp transformer' [patent_app_type] => utility [patent_app_number] => 11/646009 [patent_app_country] => US [patent_app_date] => 2006-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 6190 [patent_no_of_claims] => 34 [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/A1/0055/20080055814.pdf [firstpage_image] =>[orig_patent_app_number] => 11646009 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/646009
Lamp transformer Dec 26, 2006 Issued
Array ( [id] => 4980932 [patent_doc_number] => 20070085489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-19 [patent_title] => 'SWITCHED CONSTANT CURRENT DRIVING AND CONTROL CIRCUIT' [patent_app_type] => utility [patent_app_number] => 11/613442 [patent_app_country] => US [patent_app_date] => 2006-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7636 [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] => publications/A1/0085/20070085489.pdf [firstpage_image] =>[orig_patent_app_number] => 11613442 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/613442
Switched constant current driving and control circuit Dec 19, 2006 Issued
Array ( [id] => 274703 [patent_doc_number] => 07560870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Power supply apparatus for ion accelerator' [patent_app_type] => utility [patent_app_number] => 11/613479 [patent_app_country] => US [patent_app_date] => 2006-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 10754 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/560/07560870.pdf [firstpage_image] =>[orig_patent_app_number] => 11613479 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/613479
Power supply apparatus for ion accelerator Dec 19, 2006 Issued
Array ( [id] => 4986271 [patent_doc_number] => 20070152609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Inverter system and detecting device thereof' [patent_app_type] => utility [patent_app_number] => 11/640192 [patent_app_country] => US [patent_app_date] => 2006-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2826 [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/A1/0152/20070152609.pdf [firstpage_image] =>[orig_patent_app_number] => 11640192 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/640192
Inverter system and detecting device thereof Dec 17, 2006 Issued
Array ( [id] => 5060754 [patent_doc_number] => 20070222391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-27 [patent_title] => 'CURRENT BALANCING CIRCUIT FOR LIGHT EMITTING DIODES' [patent_app_type] => utility [patent_app_number] => 11/609576 [patent_app_country] => US [patent_app_date] => 2006-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 3384 [patent_no_of_claims] => 39 [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/A1/0222/20070222391.pdf [firstpage_image] =>[orig_patent_app_number] => 11609576 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/609576
CURRENT BALANCING CIRCUIT FOR LIGHT EMITTING DIODES Dec 11, 2006 Abandoned
Array ( [id] => 5282710 [patent_doc_number] => 20090096384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-16 [patent_title] => 'UNIVERSAL DIMMER' [patent_app_type] => utility [patent_app_number] => 12/096913 [patent_app_country] => US [patent_app_date] => 2006-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5012 [patent_no_of_claims] => 21 [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/A1/0096/20090096384.pdf [firstpage_image] =>[orig_patent_app_number] => 12096913 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/096913
UNIVERSAL DIMMER Dec 11, 2006 Abandoned
Array ( [id] => 5192166 [patent_doc_number] => 20070080648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-12 [patent_title] => 'DRIVING METHOD OF COLD CATHODE FLUORESCENT FLAT LAMP' [patent_app_type] => utility [patent_app_number] => 11/608845 [patent_app_country] => US [patent_app_date] => 2006-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4174 [patent_no_of_claims] => 4 [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/A1/0080/20070080648.pdf [firstpage_image] =>[orig_patent_app_number] => 11608845 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/608845
DRIVING METHOD OF COLD CATHODE FLUORESCENT FLAT LAMP Dec 10, 2006 Abandoned
Array ( [id] => 593505 [patent_doc_number] => 07436126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-14 [patent_title] => 'Resonant ballast circuit' [patent_app_type] => utility [patent_app_number] => 11/608080 [patent_app_country] => US [patent_app_date] => 2006-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2165 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/436/07436126.pdf [firstpage_image] =>[orig_patent_app_number] => 11608080 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/608080
Resonant ballast circuit Dec 6, 2006 Issued
Array ( [id] => 1077417 [patent_doc_number] => 07615934 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-10 [patent_title] => 'High efficiency resonant ballast' [patent_app_type] => utility [patent_app_number] => 11/608088 [patent_app_country] => US [patent_app_date] => 2006-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3078 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/615/07615934.pdf [firstpage_image] =>[orig_patent_app_number] => 11608088 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/608088
High efficiency resonant ballast Dec 6, 2006 Issued
Array ( [id] => 4496641 [patent_doc_number] => 07956543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-07 [patent_title] => 'Optimization of the excitation frequency of a resonator' [patent_app_type] => utility [patent_app_number] => 12/096382 [patent_app_country] => US [patent_app_date] => 2006-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3114 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/956/07956543.pdf [firstpage_image] =>[orig_patent_app_number] => 12096382 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/096382
Optimization of the excitation frequency of a resonator Dec 4, 2006 Issued
Array ( [id] => 7546028 [patent_doc_number] => 08054002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-08 [patent_title] => 'Light emitting device with light emitting cells arrayed' [patent_app_type] => utility [patent_app_number] => 12/088906 [patent_app_country] => US [patent_app_date] => 2006-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2827 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/054/08054002.pdf [firstpage_image] =>[orig_patent_app_number] => 12088906 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/088906
Light emitting device with light emitting cells arrayed Dec 4, 2006 Issued
Array ( [id] => 4743641 [patent_doc_number] => 20080088242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-17 [patent_title] => 'RF plasma source with quasi-closed ferrite core' [patent_app_type] => utility [patent_app_number] => 11/607603 [patent_app_country] => US [patent_app_date] => 2006-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4283 [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] => publications/A1/0088/20080088242.pdf [firstpage_image] =>[orig_patent_app_number] => 11607603 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/607603
RF plasma source with quasi-closed ferrite core Nov 30, 2006 Issued
Array ( [id] => 4958278 [patent_doc_number] => 20080272702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-06 [patent_title] => 'Device for Determining Characteristics a Lighting Unit' [patent_app_type] => utility [patent_app_number] => 12/096041 [patent_app_country] => US [patent_app_date] => 2006-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3626 [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] => publications/A1/0272/20080272702.pdf [firstpage_image] =>[orig_patent_app_number] => 12096041 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/096041
Device for Determining Characteristics a Lighting Unit Nov 30, 2006 Abandoned
Array ( [id] => 5077281 [patent_doc_number] => 20070120505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-31 [patent_title] => 'Liquid crystal display device' [patent_app_type] => utility [patent_app_number] => 11/604846 [patent_app_country] => US [patent_app_date] => 2006-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4850 [patent_no_of_claims] => 10 [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/A1/0120/20070120505.pdf [firstpage_image] =>[orig_patent_app_number] => 11604846 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/604846
Liquid crystal display device Nov 27, 2006 Issued
Array ( [id] => 4776316 [patent_doc_number] => 20080284314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-20 [patent_title] => 'Active-Matrix Field Emission Pixel and Active-Matrix Field Emission Display' [patent_app_type] => utility [patent_app_number] => 12/096595 [patent_app_country] => US [patent_app_date] => 2006-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2822 [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] => publications/A1/0284/20080284314.pdf [firstpage_image] =>[orig_patent_app_number] => 12096595 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/096595
Active-matrix field emission pixel and active-matrix field emission display Nov 26, 2006 Issued
Array ( [id] => 4897210 [patent_doc_number] => 20080116823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-22 [patent_title] => 'Current-balancing apparatus for lamps' [patent_app_type] => utility [patent_app_number] => 11/603075 [patent_app_country] => US [patent_app_date] => 2006-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4389 [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/A1/0116/20080116823.pdf [firstpage_image] =>[orig_patent_app_number] => 11603075 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/603075
Current-balancing apparatus for lamps Nov 21, 2006 Abandoned
Array ( [id] => 4897205 [patent_doc_number] => 20080116818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-22 [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] => 11/603689 [patent_app_country] => US [patent_app_date] => 2006-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 14587 [patent_no_of_claims] => 70 [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/A1/0116/20080116818.pdf [firstpage_image] =>[orig_patent_app_number] => 11603689 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/603689
Time division modulation with average current regulation for independent control of arrays of light emitting diodes Nov 20, 2006 Issued
Array ( [id] => 142891 [patent_doc_number] => 07688003 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-30 [patent_title] => 'Method of lighting high pressure mercury lamp, lighting device for the same, lamp system and projection display unit' [patent_app_type] => utility [patent_app_number] => 12/091167 [patent_app_country] => US [patent_app_date] => 2006-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11042 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/688/07688003.pdf [firstpage_image] =>[orig_patent_app_number] => 12091167 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/091167
Method of lighting high pressure mercury lamp, lighting device for the same, lamp system and projection display unit Nov 1, 2006 Issued
Menu