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] => 1519254 [patent_doc_number] => 06501223 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-31 [patent_title] => 'Device and method for demagnetizing the shielding of a color display device' [patent_app_type] => B2 [patent_app_number] => 09/968999 [patent_app_country] => US [patent_app_date] => 2001-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 1745 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/501/06501223.pdf [firstpage_image] =>[orig_patent_app_number] => 09968999 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/968999
Device and method for demagnetizing the shielding of a color display device Oct 1, 2001 Issued
09/967192 BALLAST WITH PROTECTION CIRCUIT FOR PREVENTING INVERTER STARTUP DURING AN OUTPUT GROUND-FAULT CONDITION Sep 27, 2001 Abandoned
Array ( [id] => 6781401 [patent_doc_number] => 20030062848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-03 [patent_title] => 'Method and circuit for regulating power in a high pressure discharge lamp' [patent_app_type] => new [patent_app_number] => 09/967104 [patent_app_country] => US [patent_app_date] => 2001-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1943 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20030062848.pdf [firstpage_image] =>[orig_patent_app_number] => 09967104 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/967104
Method and circuit for regulating power in a high pressure discharge lamp Sep 27, 2001 Issued
Array ( [id] => 6781402 [patent_doc_number] => 20030062849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-03 [patent_title] => 'METHOD AND CIRCUIT FOR CONTROLLING CURRENT IN A HIGH PRESSURE DISCHARGE LAMP' [patent_app_type] => new [patent_app_number] => 09/967191 [patent_app_country] => US [patent_app_date] => 2001-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2831 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20030062849.pdf [firstpage_image] =>[orig_patent_app_number] => 09967191 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/967191
Method and circuit for controlling current in a high pressure discharge lamp Sep 27, 2001 Issued
Array ( [id] => 1408583 [patent_doc_number] => 06538396 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-25 [patent_title] => 'Automatic foreground lighting effects in a composited scene' [patent_app_type] => B1 [patent_app_number] => 09/963147 [patent_app_country] => US [patent_app_date] => 2001-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3307 [patent_no_of_claims] => 12 [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/06/538/06538396.pdf [firstpage_image] =>[orig_patent_app_number] => 09963147 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/963147
Automatic foreground lighting effects in a composited scene Sep 23, 2001 Issued
Array ( [id] => 5871460 [patent_doc_number] => 20020047577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-25 [patent_title] => 'Energy recovery sustain circuit for AC plasma display panel' [patent_app_type] => new [patent_app_number] => 09/953174 [patent_app_country] => US [patent_app_date] => 2001-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4677 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20020047577.pdf [firstpage_image] =>[orig_patent_app_number] => 09953174 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/953174
Energy recovery sustain circuit for AC plasma display panel Sep 16, 2001 Issued
Array ( [id] => 6285593 [patent_doc_number] => 20020053888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-09 [patent_title] => 'Color cathode ray tube having an internal voltage-dividing resistor' [patent_app_type] => new [patent_app_number] => 09/953556 [patent_app_country] => US [patent_app_date] => 2001-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6741 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0053/20020053888.pdf [firstpage_image] =>[orig_patent_app_number] => 09953556 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/953556
Color cathode ray tube having an internal voltage-dividing resistor Sep 16, 2001 Issued
Array ( [id] => 1420397 [patent_doc_number] => 06525485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-02-25 [patent_title] => 'Vacuum fluorescence display' [patent_app_type] => B2 [patent_app_number] => 09/952776 [patent_app_country] => US [patent_app_date] => 2001-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2337 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/525/06525485.pdf [firstpage_image] =>[orig_patent_app_number] => 09952776 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/952776
Vacuum fluorescence display Sep 13, 2001 Issued
Array ( [id] => 1502541 [patent_doc_number] => 06486609 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-26 [patent_title] => 'Electron-emitting element and image display device using the same' [patent_app_type] => B1 [patent_app_number] => 09/936511 [patent_app_country] => US [patent_app_date] => 2001-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 8981 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/486/06486609.pdf [firstpage_image] =>[orig_patent_app_number] => 09936511 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/936511
Electron-emitting element and image display device using the same Sep 13, 2001 Issued
Array ( [id] => 1341296 [patent_doc_number] => 06593709 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-07-15 [patent_title] => 'Dual mode electronic dimmer' [patent_app_type] => B2 [patent_app_number] => 09/953513 [patent_app_country] => US [patent_app_date] => 2001-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2721 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/593/06593709.pdf [firstpage_image] =>[orig_patent_app_number] => 09953513 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/953513
Dual mode electronic dimmer Sep 13, 2001 Issued
Array ( [id] => 6672277 [patent_doc_number] => 20030057880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-27 [patent_title] => 'Two-wire lighting control system with indicator for imminent time out period expiration' [patent_app_type] => new [patent_app_number] => 09/942964 [patent_app_country] => US [patent_app_date] => 2001-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3392 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0057/20030057880.pdf [firstpage_image] =>[orig_patent_app_number] => 09942964 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/942964
Two-wire lighting control system with indicator for imminent time out period expiration Aug 30, 2001 Issued
Array ( [id] => 476841 [patent_doc_number] => 07227311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-05 [patent_title] => 'Electron-emitting device, electron-emitting apparatus, image display apparatus, and light-emitting apparatus' [patent_app_type] => utility [patent_app_number] => 09/941780 [patent_app_country] => US [patent_app_date] => 2001-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 11013 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/227/07227311.pdf [firstpage_image] =>[orig_patent_app_number] => 09941780 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/941780
Electron-emitting device, electron-emitting apparatus, image display apparatus, and light-emitting apparatus Aug 29, 2001 Issued
Array ( [id] => 1509792 [patent_doc_number] => 06441561 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-27 [patent_title] => 'Crack detecting device for plasma display panel' [patent_app_type] => B1 [patent_app_number] => 09/931614 [patent_app_country] => US [patent_app_date] => 2001-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3013 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/441/06441561.pdf [firstpage_image] =>[orig_patent_app_number] => 09931614 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/931614
Crack detecting device for plasma display panel Aug 15, 2001 Issued
Array ( [id] => 7206723 [patent_doc_number] => 20040070352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Method for color mixing with arc stability and straightening of HID lamps operated at high frequencies using duty cycle modulation' [patent_app_type] => new [patent_app_number] => 09/930730 [patent_app_country] => US [patent_app_date] => 2001-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2147 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0070/20040070352.pdf [firstpage_image] =>[orig_patent_app_number] => 09930730 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/930730
Method for color mixing with arc stability and straightening of HID lamps operated at high frequencies using duty cycle modulation Aug 14, 2001 Issued
Array ( [id] => 1422282 [patent_doc_number] => 06509694 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-21 [patent_title] => 'Dimmable illumination module for projection systems using a high-intensity discharge lamp via polarization manipulation' [patent_app_type] => B1 [patent_app_number] => 09/930347 [patent_app_country] => US [patent_app_date] => 2001-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1488 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/509/06509694.pdf [firstpage_image] =>[orig_patent_app_number] => 09930347 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/930347
Dimmable illumination module for projection systems using a high-intensity discharge lamp via polarization manipulation Aug 14, 2001 Issued
Array ( [id] => 1044340 [patent_doc_number] => 06867547 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-15 [patent_title] => 'Flash lamp and flash lamp structure' [patent_app_type] => utility [patent_app_number] => 10/344433 [patent_app_country] => US [patent_app_date] => 2001-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3957 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/867/06867547.pdf [firstpage_image] =>[orig_patent_app_number] => 10344433 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/344433
Flash lamp and flash lamp structure Aug 8, 2001 Issued
Array ( [id] => 1598187 [patent_doc_number] => 06492780 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-10 [patent_title] => 'Lamp ballast system' [patent_app_type] => B1 [patent_app_number] => 09/923174 [patent_app_country] => US [patent_app_date] => 2001-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1836 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/492/06492780.pdf [firstpage_image] =>[orig_patent_app_number] => 09923174 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/923174
Lamp ballast system Aug 5, 2001 Issued
Array ( [id] => 1519258 [patent_doc_number] => 06501225 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-31 [patent_title] => 'Ballast with efficient filament preheating and lamp fault protection' [patent_app_type] => B1 [patent_app_number] => 09/923037 [patent_app_country] => US [patent_app_date] => 2001-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5579 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/501/06501225.pdf [firstpage_image] =>[orig_patent_app_number] => 09923037 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/923037
Ballast with efficient filament preheating and lamp fault protection Aug 5, 2001 Issued
Array ( [id] => 5901779 [patent_doc_number] => 20020140375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-03 [patent_title] => 'High-power electronic ballast for fluorescent lamp' [patent_app_type] => new [patent_app_number] => 09/921600 [patent_app_country] => US [patent_app_date] => 2001-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3234 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0140/20020140375.pdf [firstpage_image] =>[orig_patent_app_number] => 09921600 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/921600
High-power electronic ballast for fluorescent lamp Aug 5, 2001 Issued
Array ( [id] => 1536722 [patent_doc_number] => 06489727 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-03 [patent_title] => 'Plasma display with improved display contrast' [patent_app_type] => B2 [patent_app_number] => 09/921923 [patent_app_country] => US [patent_app_date] => 2001-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 31 [patent_no_of_words] => 6743 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/489/06489727.pdf [firstpage_image] =>[orig_patent_app_number] => 09921923 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/921923
Plasma display with improved display contrast Aug 5, 2001 Issued
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