
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 6247904
[patent_doc_number] => 20100026189
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-02-04
[patent_title] => 'LAMP DRIVING CIRCUIT, AND DETECTION CIRCUIT FOR DETECTING AN END-OF-LIFE CONDITION'
[patent_app_type] => utility
[patent_app_number] => 12/444711
[patent_app_country] => US
[patent_app_date] => 2007-10-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3333
[patent_no_of_claims] => 14
[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/A1/0026/20100026189.pdf
[firstpage_image] =>[orig_patent_app_number] => 12444711
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/444711 | LAMP DRIVING CIRCUIT, AND DETECTION CIRCUIT FOR DETECTING AN END-OF-LIFE CONDITION | Oct 7, 2007 | Abandoned |
Array
(
[id] => 4624907
[patent_doc_number] => 08004209
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-08-23
[patent_title] => 'Method for color transition for general illumination system'
[patent_app_type] => utility
[patent_app_number] => 12/443022
[patent_app_country] => US
[patent_app_date] => 2007-10-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 8313
[patent_no_of_claims] => 19
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/004/08004209.pdf
[firstpage_image] =>[orig_patent_app_number] => 12443022
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/443022 | Method for color transition for general illumination system | Oct 1, 2007 | Issued |
Array
(
[id] => 243740
[patent_doc_number] => 07589477
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-09-15
[patent_title] => 'Control method and ballast for run-up of metal halide lamp'
[patent_app_type] => utility
[patent_app_number] => 11/860759
[patent_app_country] => US
[patent_app_date] => 2007-09-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2638
[patent_no_of_claims] => 13
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/589/07589477.pdf
[firstpage_image] =>[orig_patent_app_number] => 11860759
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/860759 | Control method and ballast for run-up of metal halide lamp | Sep 24, 2007 | Issued |
Array
(
[id] => 4879993
[patent_doc_number] => 20080153376
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-06-26
[patent_title] => 'PROCESSING METHOD AND PROCESSING DEVICE OF CONDITIONING ELECTRON GUN'
[patent_app_type] => utility
[patent_app_number] => 11/860178
[patent_app_country] => US
[patent_app_date] => 2007-09-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 6660
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 4
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[patent_maintenance] => 1
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[pdf_file] => publications/A1/0153/20080153376.pdf
[firstpage_image] =>[orig_patent_app_number] => 11860178
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/860178 | Processing method and processing device of conditioning electron gun | Sep 23, 2007 | Issued |
Array
(
[id] => 4715809
[patent_doc_number] => 20080238331
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-10-02
[patent_title] => 'ENERGY SAVING POWER SUPPLY CIRCUIT'
[patent_app_type] => utility
[patent_app_number] => 11/858125
[patent_app_country] => US
[patent_app_date] => 2007-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 1101
[patent_no_of_claims] => 15
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[pdf_file] => publications/A1/0238/20080238331.pdf
[firstpage_image] =>[orig_patent_app_number] => 11858125
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/858125 | Energy saving power supply circuit | Sep 19, 2007 | Issued |
Array
(
[id] => 7555995
[patent_doc_number] => 08067898
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-11-29
[patent_title] => 'Power supply device for light elements and method for supplying power to light elements'
[patent_app_type] => utility
[patent_app_number] => 12/443852
[patent_app_country] => US
[patent_app_date] => 2007-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 5753
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[pdf_file] => patents/08/067/08067898.pdf
[firstpage_image] =>[orig_patent_app_number] => 12443852
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/443852 | Power supply device for light elements and method for supplying power to light elements | Sep 19, 2007 | Issued |
Array
(
[id] => 4444028
[patent_doc_number] => 07928672
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-04-19
[patent_title] => 'Modulator for circular induction accelerator'
[patent_app_type] => utility
[patent_app_number] => 11/857908
[patent_app_country] => US
[patent_app_date] => 2007-09-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 2730
[patent_no_of_claims] => 15
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/928/07928672.pdf
[firstpage_image] =>[orig_patent_app_number] => 11857908
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/857908 | Modulator for circular induction accelerator | Sep 18, 2007 | Issued |
Array
(
[id] => 4919629
[patent_doc_number] => 20080067942
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-03-20
[patent_title] => 'LIGHT CONTROL CIRCUIT'
[patent_app_type] => utility
[patent_app_number] => 11/853157
[patent_app_country] => US
[patent_app_date] => 2007-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3924
[patent_no_of_claims] => 3
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0067/20080067942.pdf
[firstpage_image] =>[orig_patent_app_number] => 11853157
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/853157 | Light control circuit | Sep 10, 2007 | Issued |
Array
(
[id] => 5450220
[patent_doc_number] => 20090066256
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-03-12
[patent_title] => 'Solid Expellant Plasma Generator'
[patent_app_type] => utility
[patent_app_number] => 11/852007
[patent_app_country] => US
[patent_app_date] => 2007-09-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 1938
[patent_no_of_claims] => 25
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[pdf_file] => publications/A1/0066/20090066256.pdf
[firstpage_image] =>[orig_patent_app_number] => 11852007
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/852007 | Solid expellant plasma generator | Sep 6, 2007 | Issued |
Array
(
[id] => 4457895
[patent_doc_number] => 07893626
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-02-22
[patent_title] => 'Multi-color backlight control circuit and multi-color backlight control method'
[patent_app_type] => utility
[patent_app_number] => 11/851569
[patent_app_country] => US
[patent_app_date] => 2007-09-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 16
[patent_no_of_words] => 4283
[patent_no_of_claims] => 7
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/893/07893626.pdf
[firstpage_image] =>[orig_patent_app_number] => 11851569
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/851569 | Multi-color backlight control circuit and multi-color backlight control method | Sep 6, 2007 | Issued |
Array
(
[id] => 4702183
[patent_doc_number] => 20080061705
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-03-13
[patent_title] => 'CCFL INVERTER WITH SINGLE TRANSISTOR'
[patent_app_type] => utility
[patent_app_number] => 11/850336
[patent_app_country] => US
[patent_app_date] => 2007-09-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 1459
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0061/20080061705.pdf
[firstpage_image] =>[orig_patent_app_number] => 11850336
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/850336 | CCFL INVERTER WITH SINGLE TRANSISTOR | Sep 4, 2007 | Abandoned |
Array
(
[id] => 7801642
[patent_doc_number] => 08129917
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-03-06
[patent_title] => 'Light emitting device for AC operation'
[patent_app_type] => utility
[patent_app_number] => 12/442800
[patent_app_country] => US
[patent_app_date] => 2007-09-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/08/129/08129917.pdf
[firstpage_image] =>[orig_patent_app_number] => 12442800
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/442800 | Light emitting device for AC operation | Sep 4, 2007 | Issued |
Array
(
[id] => 6216777
[patent_doc_number] => 20100052557
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-03-04
[patent_title] => 'LAMP DRIVER CIRCUIT AND METHOD FOR DRIVING A DISCHARGE LAMP'
[patent_app_type] => utility
[patent_app_number] => 12/439697
[patent_app_country] => US
[patent_app_date] => 2007-09-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0052/20100052557.pdf
[firstpage_image] =>[orig_patent_app_number] => 12439697
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/439697 | Lamp driver circuit and method for driving a discharge lamp | Sep 3, 2007 | Issued |
Array
(
[id] => 5320335
[patent_doc_number] => 20090058325
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-03-05
[patent_title] => 'GROUP CONTROL TYPE FLUORESCENT, LED AND/OR HALIDE LIGHTING CONTROL SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 11/849295
[patent_app_country] => US
[patent_app_date] => 2007-09-02
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0058/20090058325.pdf
[firstpage_image] =>[orig_patent_app_number] => 11849295
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/849295 | Group control type fluorescent, LED and/or halide lighting control system | Sep 1, 2007 | Issued |
Array
(
[id] => 4913401
[patent_doc_number] => 20080094000
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-04-24
[patent_title] => 'DEVICE AND METHOD FOR DRIVING LED'
[patent_app_type] => utility
[patent_app_number] => 11/847273
[patent_app_country] => US
[patent_app_date] => 2007-08-29
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[pdf_file] => publications/A1/0094/20080094000.pdf
[firstpage_image] =>[orig_patent_app_number] => 11847273
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/847273 | Device and method for driving LED | Aug 28, 2007 | Issued |
Array
(
[id] => 4518465
[patent_doc_number] => 07911153
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-03-22
[patent_title] => 'Electronic ballasts for lighting systems'
[patent_app_type] => utility
[patent_app_number] => 11/847227
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/911/07911153.pdf
[firstpage_image] =>[orig_patent_app_number] => 11847227
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/847227 | Electronic ballasts for lighting systems | Aug 28, 2007 | Issued |
Array
(
[id] => 4667538
[patent_doc_number] => 20080042598
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-02-21
[patent_title] => 'AUXILIARY LIGHTING CIRCUIT FOR HIGH INTENSITY DISCHARGE SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 11/845889
[patent_app_country] => US
[patent_app_date] => 2007-08-28
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[pdf_file] => publications/A1/0042/20080042598.pdf
[firstpage_image] =>[orig_patent_app_number] => 11845889
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/845889 | Auxiliary lighting circuit for high intensity discharge system | Aug 27, 2007 | Issued |
Array
(
[id] => 4731604
[patent_doc_number] => 20080048582
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-02-28
[patent_title] => 'PWM METHOD AND APPARATUS, AND LIGHT SOURCE DRIVEN THEREBY'
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[patent_app_number] => 11/844770
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/844770 | PWM METHOD AND APPARATUS, AND LIGHT SOURCE DRIVEN THEREBY | Aug 23, 2007 | Abandoned |
Array
(
[id] => 4444026
[patent_doc_number] => 07928671
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[patent_title] => 'Illumination intensity control'
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[pdf_file] => patents/07/928/07928671.pdf
[firstpage_image] =>[orig_patent_app_number] => 11843837
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/843837 | Illumination intensity control | Aug 22, 2007 | Issued |
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
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[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 |