
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] => 5525104
[patent_doc_number] => 20090195180
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-08-06
[patent_title] => 'LED DRIVER CIRCUITS AND METHODS'
[patent_app_type] => utility
[patent_app_number] => 12/024180
[patent_app_country] => US
[patent_app_date] => 2008-02-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2290
[patent_no_of_claims] => 19
[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/A1/0195/20090195180.pdf
[firstpage_image] =>[orig_patent_app_number] => 12024180
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/024180 | LED driver circuits and methods | Jan 31, 2008 | Issued |
Array
(
[id] => 93363
[patent_doc_number] => 07733035
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-06-08
[patent_title] => 'Electronic power supply device for light-emitting diode'
[patent_app_type] => utility
[patent_app_number] => 12/024124
[patent_app_country] => US
[patent_app_date] => 2008-02-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 4391
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/733/07733035.pdf
[firstpage_image] =>[orig_patent_app_number] => 12024124
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/024124 | Electronic power supply device for light-emitting diode | Jan 31, 2008 | Issued |
Array
(
[id] => 4897209
[patent_doc_number] => 20080116822
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-05-22
[patent_title] => 'High Voltage Transformer for Backlight Power Source'
[patent_app_type] => utility
[patent_app_number] => 12/022991
[patent_app_country] => US
[patent_app_date] => 2008-01-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 3066
[patent_no_of_claims] => 6
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[pdf_file] => publications/A1/0116/20080116822.pdf
[firstpage_image] =>[orig_patent_app_number] => 12022991
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/022991 | High voltage transformer for backlight power source | Jan 29, 2008 | Issued |
Array
(
[id] => 5353311
[patent_doc_number] => 20090184655
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-07-23
[patent_title] => 'POWER MANAGEMENT SYSTEM FOR LIGHT EMITTING DIODES'
[patent_app_type] => utility
[patent_app_number] => 12/017474
[patent_app_country] => US
[patent_app_date] => 2008-01-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3987
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
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[pdf_file] => publications/A1/0184/20090184655.pdf
[firstpage_image] =>[orig_patent_app_number] => 12017474
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/017474 | POWER MANAGEMENT SYSTEM FOR LIGHT EMITTING DIODES | Jan 21, 2008 | Abandoned |
Array
(
[id] => 7530918
[patent_doc_number] => 07843141
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2010-11-30
[patent_title] => 'Low cost step dimming interface for an electronic ballast'
[patent_app_type] => utility
[patent_app_number] => 12/017750
[patent_app_country] => US
[patent_app_date] => 2008-01-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 4170
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/843/07843141.pdf
[firstpage_image] =>[orig_patent_app_number] => 12017750
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/017750 | Low cost step dimming interface for an electronic ballast | Jan 21, 2008 | Issued |
Array
(
[id] => 4624915
[patent_doc_number] => 08004217
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-08-23
[patent_title] => 'Electronic ballast with integral shutdown timer'
[patent_app_type] => utility
[patent_app_number] => 12/013247
[patent_app_country] => US
[patent_app_date] => 2008-01-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 4094
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/004/08004217.pdf
[firstpage_image] =>[orig_patent_app_number] => 12013247
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/013247 | Electronic ballast with integral shutdown timer | Jan 10, 2008 | Issued |
Array
(
[id] => 4451720
[patent_doc_number] => 07965045
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-06-21
[patent_title] => 'Power supply circuit for display unit and display unit'
[patent_app_type] => utility
[patent_app_number] => 12/007438
[patent_app_country] => US
[patent_app_date] => 2008-01-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 6018
[patent_no_of_claims] => 15
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/965/07965045.pdf
[firstpage_image] =>[orig_patent_app_number] => 12007438
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/007438 | Power supply circuit for display unit and display unit | Jan 9, 2008 | Issued |
Array
(
[id] => 5432612
[patent_doc_number] => 20090167198
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-07-02
[patent_title] => 'Light string having shunt circuitry arranged on husk of light bulb assembly'
[patent_app_type] => utility
[patent_app_number] => 12/003830
[patent_app_country] => US
[patent_app_date] => 2008-01-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 1527
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0167/20090167198.pdf
[firstpage_image] =>[orig_patent_app_number] => 12003830
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/003830 | Light string having shunt circuitry arranged on husk of light bulb assembly | Jan 1, 2008 | Abandoned |
Array
(
[id] => 5432600
[patent_doc_number] => 20090167186
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-07-02
[patent_title] => 'LEDs tricolor power signal'
[patent_app_type] => utility
[patent_app_number] => 12/006143
[patent_app_country] => US
[patent_app_date] => 2007-12-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
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[pdf_file] => publications/A1/0167/20090167186.pdf
[firstpage_image] =>[orig_patent_app_number] => 12006143
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/006143 | LEDs tricolor power signal | Dec 30, 2007 | Issued |
Array
(
[id] => 5499661
[patent_doc_number] => 20090160349
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-25
[patent_title] => 'Electronic stabilizer circuit for suppressing startup instabilities in cold cathode fluorescent lamps'
[patent_app_type] => utility
[patent_app_number] => 12/004528
[patent_app_country] => US
[patent_app_date] => 2007-12-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 3288
[patent_no_of_claims] => 15
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0160/20090160349.pdf
[firstpage_image] =>[orig_patent_app_number] => 12004528
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/004528 | Electronic stabilizer circuit for suppressing startup instabilities in cold cathode fluorescent lamps | Dec 20, 2007 | Issued |
Array
(
[id] => 191412
[patent_doc_number] => 07642726
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-01-05
[patent_title] => 'Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same'
[patent_app_type] => utility
[patent_app_number] => 11/958013
[patent_app_country] => US
[patent_app_date] => 2007-12-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 7873
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/642/07642726.pdf
[firstpage_image] =>[orig_patent_app_number] => 11958013
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/958013 | Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same | Dec 16, 2007 | Issued |
Array
(
[id] => 6425381
[patent_doc_number] => 20100102759
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-04-29
[patent_title] => 'LIGHT SOURCE AND METHOD FOR OPERATING A LIGHTING SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 12/518643
[patent_app_country] => US
[patent_app_date] => 2007-12-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[pdf_file] => publications/A1/0102/20100102759.pdf
[firstpage_image] =>[orig_patent_app_number] => 12518643
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/518643 | Light source and method for operating a lighting system | Dec 11, 2007 | Issued |
Array
(
[id] => 5420127
[patent_doc_number] => 20090146582
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-11
[patent_title] => 'Colour rendering in compact fluorescent lamps'
[patent_app_type] => utility
[patent_app_number] => 11/952551
[patent_app_country] => US
[patent_app_date] => 2007-12-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[pdf_file] => publications/A1/0146/20090146582.pdf
[firstpage_image] =>[orig_patent_app_number] => 11952551
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/952551 | Colour rendering in compact fluorescent lamps | Dec 6, 2007 | Abandoned |
Array
(
[id] => 5420131
[patent_doc_number] => 20090146586
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-11
[patent_title] => 'Power supply for external electrode fluorescent lamps'
[patent_app_type] => utility
[patent_app_number] => 11/999568
[patent_app_country] => US
[patent_app_date] => 2007-12-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[pdf_file] => publications/A1/0146/20090146586.pdf
[firstpage_image] =>[orig_patent_app_number] => 11999568
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/999568 | Power supply for external electrode fluorescent lamps | Dec 5, 2007 | Issued |
Array
(
[id] => 5421050
[patent_doc_number] => 20090147505
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-11
[patent_title] => 'Rechargeable portable Light with Multiple Charging Systems'
[patent_app_type] => utility
[patent_app_number] => 11/950996
[patent_app_country] => US
[patent_app_date] => 2007-12-05
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[pdf_file] => publications/A1/0147/20090147505.pdf
[firstpage_image] =>[orig_patent_app_number] => 11950996
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/950996 | Rechargeable portable Light with Multiple Charging Systems | Dec 4, 2007 | Abandoned |
Array
(
[id] => 134100
[patent_doc_number] => 07696702
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-04-13
[patent_title] => 'Transformer, backlight apparatus, and display apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/999126
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[patent_app_date] => 2007-12-04
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[pdf_file] => patents/07/696/07696702.pdf
[firstpage_image] =>[orig_patent_app_number] => 11999126
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/999126 | Transformer, backlight apparatus, and display apparatus | Dec 3, 2007 | Issued |
Array
(
[id] => 4837810
[patent_doc_number] => 20080278295
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-11-13
[patent_title] => 'SYSTEM AND METHOD FOR POWER LINE CARRIER COMMUNICATION USING HIGH FREQUENCY TONE BURSTS'
[patent_app_type] => utility
[patent_app_number] => 11/945870
[patent_app_country] => US
[patent_app_date] => 2007-11-27
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0278/20080278295.pdf
[firstpage_image] =>[orig_patent_app_number] => 11945870
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/945870 | System and method for power line carrier communication using high frequency tone bursts | Nov 26, 2007 | Issued |
Array
(
[id] => 4691400
[patent_doc_number] => 20080084170
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[patent_title] => 'Fluorescent lamp assembly having multiple settings and method'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/986460 | Fluorescent lamp assembly having multiple settings and method | Nov 20, 2007 | Issued |
Array
(
[id] => 4877055
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[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-06-26
[patent_title] => 'PLASMA DISPLAY AND DRIVING METHOD THEREOF'
[patent_app_type] => utility
[patent_app_number] => 11/938889
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[firstpage_image] =>[orig_patent_app_number] => 11938889
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/938889 | PLASMA DISPLAY AND DRIVING METHOD THEREOF | Nov 12, 2007 | Abandoned |
Array
(
[id] => 6466791
[patent_doc_number] => 20100007284
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[patent_issue_date] => 2010-01-14
[patent_title] => 'DEVICE FOR DRIVING A GAS DISCHARGE LAMP'
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0007/20100007284.pdf
[firstpage_image] =>[orig_patent_app_number] => 12445466
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/445466 | DEVICE FOR DRIVING A GAS DISCHARGE LAMP | Oct 10, 2007 | Abandoned |