Search

David Hung Vu

Examiner (ID: 118, Phone: (571)272-1831 , Office: P/2844 )

Most Active Art Unit
2821
Art Unit(s)
2821, 2844, 2828, 2817, 2502
Total Applications
1734
Issued Applications
1511
Pending Applications
64
Abandoned Applications
163

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4162664 [patent_doc_number] => 06107758 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Operation circuit in particular for discharge lamps using discrete time definition values to control operation state switching' [patent_app_type] => 1 [patent_app_number] => 9/404723 [patent_app_country] => US [patent_app_date] => 1999-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3205 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/107/06107758.pdf [firstpage_image] =>[orig_patent_app_number] => 404723 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/404723
Operation circuit in particular for discharge lamps using discrete time definition values to control operation state switching Sep 22, 1999 Issued
Array ( [id] => 4365770 [patent_doc_number] => 06191537 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Solid state resonance igniter for control of the number of high voltage pulses for hot restrike of discharge lamps' [patent_app_type] => 1 [patent_app_number] => 9/396208 [patent_app_country] => US [patent_app_date] => 1999-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3125 [patent_no_of_claims] => 14 [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/06/191/06191537.pdf [firstpage_image] =>[orig_patent_app_number] => 396208 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/396208
Solid state resonance igniter for control of the number of high voltage pulses for hot restrike of discharge lamps Sep 14, 1999 Issued
Array ( [id] => 4326600 [patent_doc_number] => 06331756 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-18 [patent_title] => 'Method and apparatus for digital communications with multiparameter light fixtures' [patent_app_type] => 1 [patent_app_number] => 9/394300 [patent_app_country] => US [patent_app_date] => 1999-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 7497 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/331/06331756.pdf [firstpage_image] =>[orig_patent_app_number] => 394300 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/394300
Method and apparatus for digital communications with multiparameter light fixtures Sep 9, 1999 Issued
Array ( [id] => 4332625 [patent_doc_number] => 06329758 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-11 [patent_title] => 'LED matrix display with intensity and color matching of the pixels' [patent_app_type] => 1 [patent_app_number] => 9/366726 [patent_app_country] => US [patent_app_date] => 1999-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 8966 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/329/06329758.pdf [firstpage_image] =>[orig_patent_app_number] => 366726 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/366726
LED matrix display with intensity and color matching of the pixels Aug 3, 1999 Issued
Array ( [id] => 4415128 [patent_doc_number] => 06229268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Device for supplying power to at least one bromine tungsten filament lamp' [patent_app_type] => 1 [patent_app_number] => 9/362712 [patent_app_country] => US [patent_app_date] => 1999-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1257 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/229/06229268.pdf [firstpage_image] =>[orig_patent_app_number] => 362712 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/362712
Device for supplying power to at least one bromine tungsten filament lamp Jul 28, 1999 Issued
Array ( [id] => 4367414 [patent_doc_number] => 06255781 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Energy saving backlight device' [patent_app_type] => 1 [patent_app_number] => 9/363724 [patent_app_country] => US [patent_app_date] => 1999-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 6486 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/255/06255781.pdf [firstpage_image] =>[orig_patent_app_number] => 363724 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/363724
Energy saving backlight device Jul 28, 1999 Issued
Array ( [id] => 4240136 [patent_doc_number] => 06118220 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'Gas discharge display apparatus and method for driving the same' [patent_app_type] => 1 [patent_app_number] => 9/353710 [patent_app_country] => US [patent_app_date] => 1999-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 71 [patent_no_of_words] => 28143 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/118/06118220.pdf [firstpage_image] =>[orig_patent_app_number] => 353710 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/353710
Gas discharge display apparatus and method for driving the same Jul 13, 1999 Issued
Array ( [id] => 4210952 [patent_doc_number] => 06078144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Electronic ballast with inrush current limiting' [patent_app_type] => 1 [patent_app_number] => 9/346913 [patent_app_country] => US [patent_app_date] => 1999-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3561 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/078/06078144.pdf [firstpage_image] =>[orig_patent_app_number] => 346913 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/346913
Electronic ballast with inrush current limiting Jul 1, 1999 Issued
Array ( [id] => 1411766 [patent_doc_number] => 06534924 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Method and apparatus for manufacturing electron source, and method manufacturing image forming apparatus' [patent_app_type] => B1 [patent_app_number] => 09/328804 [patent_app_country] => US [patent_app_date] => 1999-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 96 [patent_figures_cnt] => 125 [patent_no_of_words] => 63720 [patent_no_of_claims] => 69 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/534/06534924.pdf [firstpage_image] =>[orig_patent_app_number] => 09328804 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/328804
Method and apparatus for manufacturing electron source, and method manufacturing image forming apparatus Jun 8, 1999 Issued
Array ( [id] => 4138679 [patent_doc_number] => 06147460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Flash apparatus' [patent_app_type] => 1 [patent_app_number] => 9/318005 [patent_app_country] => US [patent_app_date] => 1999-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6335 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/147/06147460.pdf [firstpage_image] =>[orig_patent_app_number] => 318005 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/318005
Flash apparatus May 24, 1999 Issued
Array ( [id] => 4195990 [patent_doc_number] => 06153979 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-28 [patent_title] => 'Channel member for a PALC panel' [patent_app_type] => 1 [patent_app_number] => 9/316602 [patent_app_country] => US [patent_app_date] => 1999-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2336 [patent_no_of_claims] => 3 [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/06/153/06153979.pdf [firstpage_image] =>[orig_patent_app_number] => 316602 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/316602
Channel member for a PALC panel May 20, 1999 Issued
Array ( [id] => 4267754 [patent_doc_number] => 06204735 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-20 [patent_title] => 'Geometrically modulated waves' [patent_app_type] => 1 [patent_app_number] => 9/312323 [patent_app_country] => US [patent_app_date] => 1999-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 29 [patent_no_of_words] => 8092 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/204/06204735.pdf [firstpage_image] =>[orig_patent_app_number] => 312323 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/312323
Geometrically modulated waves May 13, 1999 Issued
Array ( [id] => 4138623 [patent_doc_number] => 06147456 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Field emission display with amplification layer' [patent_app_type] => 1 [patent_app_number] => 9/311108 [patent_app_country] => US [patent_app_date] => 1999-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7220 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/147/06147456.pdf [firstpage_image] =>[orig_patent_app_number] => 311108 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/311108
Field emission display with amplification layer May 12, 1999 Issued
Array ( [id] => 4244798 [patent_doc_number] => 06081075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-27 [patent_title] => 'DC to AC switching circuit for driving an electroluminescent lamp exhibiting capactive loading characteristics' [patent_app_type] => 1 [patent_app_number] => 9/311315 [patent_app_country] => US [patent_app_date] => 1999-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 7271 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/081/06081075.pdf [firstpage_image] =>[orig_patent_app_number] => 311315 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/311315
DC to AC switching circuit for driving an electroluminescent lamp exhibiting capactive loading characteristics May 12, 1999 Issued
Array ( [id] => 3954400 [patent_doc_number] => 05998935 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'AC plasma display with dual discharge sites and contrast enhancement bars' [patent_app_type] => 1 [patent_app_number] => 9/310553 [patent_app_country] => US [patent_app_date] => 1999-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3605 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998935.pdf [firstpage_image] =>[orig_patent_app_number] => 310553 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/310553
AC plasma display with dual discharge sites and contrast enhancement bars May 11, 1999 Issued
Array ( [id] => 1436788 [patent_doc_number] => 06356027 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => '0-10V dimming interface protection circuit' [patent_app_type] => B1 [patent_app_number] => 09/306910 [patent_app_country] => US [patent_app_date] => 1999-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1967 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/356/06356027.pdf [firstpage_image] =>[orig_patent_app_number] => 09306910 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/306910
0-10V dimming interface protection circuit May 6, 1999 Issued
Array ( [id] => 4109573 [patent_doc_number] => 06100644 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Dimmable and non-dimmable electronic ballast for plural fluorescent lamps' [patent_app_type] => 1 [patent_app_number] => 9/301803 [patent_app_country] => US [patent_app_date] => 1999-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5821 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/100/06100644.pdf [firstpage_image] =>[orig_patent_app_number] => 301803 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/301803
Dimmable and non-dimmable electronic ballast for plural fluorescent lamps Apr 28, 1999 Issued
Array ( [id] => 4310639 [patent_doc_number] => 06188182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Power control apparatus for lighting systems' [patent_app_type] => 1 [patent_app_number] => 9/297117 [patent_app_country] => US [patent_app_date] => 1999-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6604 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/188/06188182.pdf [firstpage_image] =>[orig_patent_app_number] => 297117 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/297117
Power control apparatus for lighting systems Apr 22, 1999 Issued
Array ( [id] => 4425067 [patent_doc_number] => 06225754 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Operating method and operating apparatus for a high pressure discharge lamp' [patent_app_type] => 1 [patent_app_number] => 9/293843 [patent_app_country] => US [patent_app_date] => 1999-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 29 [patent_no_of_words] => 8195 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/225/06225754.pdf [firstpage_image] =>[orig_patent_app_number] => 293843 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/293843
Operating method and operating apparatus for a high pressure discharge lamp Apr 18, 1999 Issued
Array ( [id] => 7643451 [patent_doc_number] => 06429590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-08-06 [patent_title] => 'Straight fluorescent lamp with surface-mounted electrical conduit' [patent_app_type] => B2 [patent_app_number] => 09/289512 [patent_app_country] => US [patent_app_date] => 1999-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1418 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/429/06429590.pdf [firstpage_image] =>[orig_patent_app_number] => 09289512 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/289512
Straight fluorescent lamp with surface-mounted electrical conduit Apr 8, 1999 Issued
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