Search

Wei Chan

Examiner (ID: 10212, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2844
Total Applications
808
Issued Applications
598
Pending Applications
81
Abandoned Applications
151

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9832510 [patent_doc_number] => 08941330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Light source operation' [patent_app_type] => utility [patent_app_number] => 13/848516 [patent_app_country] => US [patent_app_date] => 2013-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5542 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13848516 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/848516
Light source operation Mar 20, 2013 Issued
Array ( [id] => 9460809 [patent_doc_number] => 20140125235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'CIRCUIT FOR DRIVING LEDS' [patent_app_type] => utility [patent_app_number] => 13/848448 [patent_app_country] => US [patent_app_date] => 2013-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5349 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 13848448 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/848448
Circuit for driving LEDs Mar 20, 2013 Issued
Array ( [id] => 9832501 [patent_doc_number] => 08941320 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus' [patent_app_type] => utility [patent_app_number] => 13/844592 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 11107 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13844592 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/844592
Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus Mar 14, 2013 Issued
Array ( [id] => 9828211 [patent_doc_number] => 08937440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-20 [patent_title] => 'Lighting device and voltage reduction method thereof' [patent_app_type] => utility [patent_app_number] => 13/844079 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8323 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13844079 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/844079
Lighting device and voltage reduction method thereof Mar 14, 2013 Issued
Array ( [id] => 9717358 [patent_doc_number] => 20140253056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'Power Supply with Adaptive-Controlled Output Voltage' [patent_app_type] => utility [patent_app_number] => 13/792457 [patent_app_country] => US [patent_app_date] => 2013-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4985 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [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] => 13792457 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/792457
Power supply with adaptive-controlled output voltage Mar 10, 2013 Issued
Array ( [id] => 13282937 [patent_doc_number] => 10153059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-11 [patent_title] => Charged particle acceleration device [patent_app_type] => utility [patent_app_number] => 14/379950 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3682 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14379950 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/379950
Charged particle acceleration device Feb 24, 2013 Issued
Array ( [id] => 10614475 [patent_doc_number] => 09333903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-10 [patent_title] => 'Headlight apparatus and method of controlling the same' [patent_app_type] => utility [patent_app_number] => 13/740840 [patent_app_country] => US [patent_app_date] => 2013-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6588 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13740840 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/740840
Headlight apparatus and method of controlling the same Jan 13, 2013 Issued
Array ( [id] => 9220663 [patent_doc_number] => 20140015438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-16 [patent_title] => 'TUNABLE LIGHT SYSTEM AND ASSOCIATED METHODS' [patent_app_type] => utility [patent_app_number] => 13/737606 [patent_app_country] => US [patent_app_date] => 2013-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4316 [patent_no_of_claims] => 20 [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] => 13737606 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/737606
TUNABLE LIGHT SYSTEM AND ASSOCIATED METHODS Jan 8, 2013 Abandoned
Array ( [id] => 9972161 [patent_doc_number] => 09019178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-28 [patent_title] => 'Pixel unit driving circuit, pixel unit and display device' [patent_app_type] => utility [patent_app_number] => 13/996138 [patent_app_country] => US [patent_app_date] => 2012-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4797 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13996138 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/996138
Pixel unit driving circuit, pixel unit and display device Dec 26, 2012 Issued
Array ( [id] => 9558302 [patent_doc_number] => 20140176014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'LED BACKLIGHT DRIVER CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/809448 [patent_app_country] => US [patent_app_date] => 2012-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9812 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13809448 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/809448
LED backlight driver circuit Dec 25, 2012 Issued
Array ( [id] => 9824159 [patent_doc_number] => 08933646 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-13 [patent_title] => 'Protection circuit for backlight driver circuit, backlight module, and LCD device' [patent_app_type] => utility [patent_app_number] => 13/809441 [patent_app_country] => US [patent_app_date] => 2012-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5394 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13809441 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/809441
Protection circuit for backlight driver circuit, backlight module, and LCD device Dec 23, 2012 Issued
Array ( [id] => 9515694 [patent_doc_number] => 20140152186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-05 [patent_title] => 'LED BACKLIGHT DRIVING CIRCUIT, BACKLIGHT MODULE, AND LCD DEVICE' [patent_app_type] => utility [patent_app_number] => 13/807702 [patent_app_country] => US [patent_app_date] => 2012-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2009 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [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] => 13807702 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/807702
LED BACKLIGHT DRIVING CIRCUIT, BACKLIGHT MODULE, AND LCD DEVICE Dec 6, 2012 Abandoned
Array ( [id] => 10643338 [patent_doc_number] => 09360198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-07 [patent_title] => 'Adjustable output solid-state lighting device' [patent_app_type] => utility [patent_app_number] => 13/707123 [patent_app_country] => US [patent_app_date] => 2012-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 11956 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13707123 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/707123
Adjustable output solid-state lighting device Dec 5, 2012 Issued
Array ( [id] => 9509155 [patent_doc_number] => 20140145646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-29 [patent_title] => 'LED VOLTAGE ADJUSTMENT DEVICE AND DRIVE SYSTEM THEREOF' [patent_app_type] => utility [patent_app_number] => 13/807008 [patent_app_country] => US [patent_app_date] => 2012-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3268 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [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] => 13807008 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/807008
LED voltage adjustment device and drive system thereof Dec 4, 2012 Issued
Array ( [id] => 9446693 [patent_doc_number] => 20140117862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-01 [patent_title] => 'DRIVING CIRCUIT AND METHOD FOR PIXEL UNIT, PIXEL UNIT AND DISPLAY APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/994946 [patent_app_country] => US [patent_app_date] => 2012-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5580 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [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] => 13994946 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/994946
Driving circuit and method for pixel unit, pixel unit and display apparatus Nov 29, 2012 Issued
Array ( [id] => 11580452 [patent_doc_number] => 09635735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-25 [patent_title] => 'Master illuminating device, illuminating device and illumination control system' [patent_app_type] => utility [patent_app_number] => 14/359109 [patent_app_country] => US [patent_app_date] => 2012-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2664 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14359109 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/359109
Master illuminating device, illuminating device and illumination control system Nov 25, 2012 Issued
Array ( [id] => 9515703 [patent_doc_number] => 20140152195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-05 [patent_title] => 'Method for Overcoming Excessively High Temperature of Constant Current Driving Chip and LED Light Bar Driving Circuit' [patent_app_type] => utility [patent_app_number] => 13/807718 [patent_app_country] => US [patent_app_date] => 2012-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4381 [patent_no_of_claims] => 9 [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] => 13807718 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/807718
Method for Overcoming Excessively High Temperature of Constant Current Driving Chip and LED Light Bar Driving Circuit Nov 24, 2012 Abandoned
Array ( [id] => 10864709 [patent_doc_number] => 08890417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-18 [patent_title] => 'LED backlight driving circuit, backlight module, and LCD device' [patent_app_type] => utility [patent_app_number] => 13/806807 [patent_app_country] => US [patent_app_date] => 2012-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2121 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13806807 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/806807
LED backlight driving circuit, backlight module, and LCD device Nov 22, 2012 Issued
Array ( [id] => 9474710 [patent_doc_number] => 20140132173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-15 [patent_title] => 'Method for Multiplying Current of LED Light Bar and Associated Driving Circuit Thereof' [patent_app_type] => utility [patent_app_number] => 13/807717 [patent_app_country] => US [patent_app_date] => 2012-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4315 [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] => 13807717 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/807717
Method for multiplying current of LED light bar and associated driving circuit thereof Nov 21, 2012 Issued
Array ( [id] => 10509761 [patent_doc_number] => 09237640 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-12 [patent_title] => 'RF device for synchrocyclotron' [patent_app_type] => utility [patent_app_number] => 14/359567 [patent_app_country] => US [patent_app_date] => 2012-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 4928 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14359567 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/359567
RF device for synchrocyclotron Nov 12, 2012 Issued
Menu