Search

Wei Chan

Examiner (ID: 16812, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2844
Total Applications
773
Issued Applications
574
Pending Applications
72
Abandoned Applications
150

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11334897 [patent_doc_number] => 09526157 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-12-20 [patent_title] => 'Light source apparatus, discharge lamp driving method, and projector' [patent_app_type] => utility [patent_app_number] => 13/549579 [patent_app_country] => US [patent_app_date] => 2012-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 8164 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13549579 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/549579
Light source apparatus, discharge lamp driving method, and projector Jul 15, 2012 Issued
Array ( [id] => 10845256 [patent_doc_number] => 08872438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-28 [patent_title] => 'LED light dimming with a target brightness' [patent_app_type] => utility [patent_app_number] => 13/517613 [patent_app_country] => US [patent_app_date] => 2012-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 17710 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13517613 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/517613
LED light dimming with a target brightness Jun 13, 2012 Issued
Array ( [id] => 9704730 [patent_doc_number] => 08829802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-09 [patent_title] => 'LED dimming control scheme' [patent_app_type] => utility [patent_app_number] => 13/506813 [patent_app_country] => US [patent_app_date] => 2012-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4031 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 416 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13506813 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/506813
LED dimming control scheme May 17, 2012 Issued
Array ( [id] => 9118649 [patent_doc_number] => 20130285571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'LED Backlight drive circuit, LCD Device and Driving Method' [patent_app_type] => utility [patent_app_number] => 13/515284 [patent_app_country] => US [patent_app_date] => 2012-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3149 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13515284 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/515284
LED Backlight drive circuit, LCD Device and Driving Method Apr 27, 2012 Abandoned
Array ( [id] => 9131081 [patent_doc_number] => 20130291794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'PLASMA GENERATOR, AND CLEANING AND PURIFYING APPARATUS AND SMALL-SIZED ELECTRICAL APPLIANCE USING PLASMA GENERATOR' [patent_app_type] => utility [patent_app_number] => 13/980263 [patent_app_country] => US [patent_app_date] => 2012-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7601 [patent_no_of_claims] => 7 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13980263 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/980263
Plasma generator, and cleaning and purifying device apparatus and small-sized electrical appliance using plasma generator Jan 24, 2012 Issued
Array ( [id] => 10007428 [patent_doc_number] => 09050928 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-09 [patent_title] => 'Headlamp device and luminance control method therefor' [patent_app_type] => utility [patent_app_number] => 13/822899 [patent_app_country] => US [patent_app_date] => 2011-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 9500 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13822899 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/822899
Headlamp device and luminance control method therefor Sep 4, 2011 Issued
Array ( [id] => 8615762 [patent_doc_number] => 20130021074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-24 [patent_title] => 'DECISION FEEDBACK EQUALIZER OPERABLE WITH MULTIPLE DATA RATES' [patent_app_type] => utility [patent_app_number] => 13/187693 [patent_app_country] => US [patent_app_date] => 2011-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2550 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13187693 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/187693
Decision feedback equalizer operable with multiple data rates Jul 20, 2011 Issued
Array ( [id] => 11241395 [patent_doc_number] => 09468061 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-11 [patent_title] => 'LED driver and method of controlling an LED assembly' [patent_app_type] => utility [patent_app_number] => 13/807581 [patent_app_country] => US [patent_app_date] => 2011-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 6818 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13807581 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/807581
LED driver and method of controlling an LED assembly Jun 27, 2011 Issued
Array ( [id] => 10909760 [patent_doc_number] => 20140312776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-23 [patent_title] => 'DIMMING LED LIGHTING SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/358271 [patent_app_country] => US [patent_app_date] => 2011-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3421 [patent_no_of_claims] => 14 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14358271 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/358271
DIMMING LED LIGHTING SYSTEM Jun 23, 2011 Abandoned
Array ( [id] => 10871006 [patent_doc_number] => 08896209 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-25 [patent_title] => 'Programmed start circuit for ballast' [patent_app_type] => utility [patent_app_number] => 13/262139 [patent_app_country] => US [patent_app_date] => 2011-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3940 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13262139 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/262139
Programmed start circuit for ballast May 8, 2011 Issued
Array ( [id] => 11433881 [patent_doc_number] => 09572215 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-14 [patent_title] => 'Method and apparatus for detecting and correcting improper dimmer operation' [patent_app_type] => utility [patent_app_number] => 13/697611 [patent_app_country] => US [patent_app_date] => 2011-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 9400 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13697611 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/697611
Method and apparatus for detecting and correcting improper dimmer operation Apr 25, 2011 Issued
Array ( [id] => 8647463 [patent_doc_number] => 20130033193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-07 [patent_title] => 'METHOD AND APPARATUS FOR ADJUSTING LIGHT OUTPUT RANGE OF SOLID STATE LIGHTING LOAD BASED ON MAXIMUM AND MINIMUM DIMMER SETTINGS' [patent_app_type] => utility [patent_app_number] => 13/641982 [patent_app_country] => US [patent_app_date] => 2011-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10835 [patent_no_of_claims] => 18 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13641982 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/641982
Method and apparatus for adjusting light output range of solid state lighting load based on maximum and minimum dimmer settings Apr 21, 2011 Issued
Array ( [id] => 8974132 [patent_doc_number] => 20130207562 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'LED CENTRALIZED DC POWER SUPPLY SYSTEM AND OPERATING METHODS THEREOF' [patent_app_type] => utility [patent_app_number] => 13/512704 [patent_app_country] => US [patent_app_date] => 2011-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2381 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13512704 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/512704
LED centralized DC power supply system and operating methods thereof Apr 15, 2011 Issued
Array ( [id] => 12558858 [patent_doc_number] => 10015860 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-03 [patent_title] => Method and apparatus for detecting presence of dimmer and controlling power delivered to solid state lighting load [patent_app_type] => utility [patent_app_number] => 13/639880 [patent_app_country] => US [patent_app_date] => 2011-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8560 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13639880 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/639880
Method and apparatus for detecting presence of dimmer and controlling power delivered to solid state lighting load Mar 28, 2011 Issued
Array ( [id] => 8451128 [patent_doc_number] => 20120262073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-18 [patent_title] => 'LIGHT EMITTING ELEMENT DRIVE DEVICE AND MOBILE APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/518044 [patent_app_country] => US [patent_app_date] => 2011-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8136 [patent_no_of_claims] => 11 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13518044 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/518044
Light emitting element drive device and mobile apparatus Jan 30, 2011 Issued
Array ( [id] => 8439924 [patent_doc_number] => 20120256540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-11 [patent_title] => 'LED LIGHTING APPARATUS WITH A BATTERY MONITORING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/517998 [patent_app_country] => US [patent_app_date] => 2010-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2317 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13517998 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/517998
LED LIGHTING APPARATUS WITH A BATTERY MONITORING DEVICE Dec 20, 2010 Abandoned
Array ( [id] => 11490651 [patent_doc_number] => 09596733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-03-14 [patent_title] => 'Switch-actuated arrangements' [patent_app_type] => utility [patent_app_number] => 13/514441 [patent_app_country] => US [patent_app_date] => 2010-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 5648 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13514441 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/514441
Switch-actuated arrangements Dec 12, 2010 Issued
Array ( [id] => 11833533 [patent_doc_number] => 09730296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-08 [patent_title] => 'Switch actuated circuits' [patent_app_type] => utility [patent_app_number] => 13/514452 [patent_app_country] => US [patent_app_date] => 2010-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4449 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13514452 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/514452
Switch actuated circuits Dec 12, 2010 Issued
Array ( [id] => 10012102 [patent_doc_number] => 09055648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-09 [patent_title] => 'LED lighting system, LED lamp, and illumination system for LED' [patent_app_type] => utility [patent_app_number] => 13/518894 [patent_app_country] => US [patent_app_date] => 2010-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 11823 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13518894 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/518894
LED lighting system, LED lamp, and illumination system for LED Dec 12, 2010 Issued
Array ( [id] => 8474813 [patent_doc_number] => 20120274220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-01 [patent_title] => 'DISPLAY LED UNIT AND METHOD FOR CONTROLLING DISPLAY LEDS' [patent_app_type] => utility [patent_app_number] => 13/514533 [patent_app_country] => US [patent_app_date] => 2010-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2665 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13514533 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/514533
DISPLAY LED UNIT AND METHOD FOR CONTROLLING DISPLAY LEDS Dec 7, 2010 Abandoned
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