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] => 10352695 [patent_doc_number] => 20150237701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-20 [patent_title] => 'LOAD DRIVING APPARATUS RELATED TO LIGHT EMITTING DIODES' [patent_app_type] => utility [patent_app_number] => 14/690486 [patent_app_country] => US [patent_app_date] => 2015-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8695 [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] => 14690486 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/690486
LOAD DRIVING APPARATUS RELATED TO LIGHT EMITTING DIODES Apr 19, 2015 Abandoned
Array ( [id] => 10590234 [patent_doc_number] => 09311854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Pixel unit driving circuit, pixel unit and display device' [patent_app_type] => utility [patent_app_number] => 14/674581 [patent_app_country] => US [patent_app_date] => 2015-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4788 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14674581 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/674581
Pixel unit driving circuit, pixel unit and display device Mar 30, 2015 Issued
Array ( [id] => 11667468 [patent_doc_number] => 20170156187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-01 [patent_title] => 'LED DRIVE CIRCUIT' [patent_app_type] => utility [patent_app_number] => 15/118181 [patent_app_country] => US [patent_app_date] => 2015-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11123 [patent_no_of_claims] => 5 [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] => 15118181 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/118181
LED drive circuit Mar 30, 2015 Issued
Array ( [id] => 11097313 [patent_doc_number] => 20160294282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-06 [patent_title] => 'System and Method for a Switched-Mode Power Supply' [patent_app_type] => utility [patent_app_number] => 14/673128 [patent_app_country] => US [patent_app_date] => 2015-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6806 [patent_no_of_claims] => 26 [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] => 14673128 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/673128
System and method for a switched-mode power supply Mar 29, 2015 Issued
Array ( [id] => 11726966 [patent_doc_number] => 09699850 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-07-04 [patent_title] => 'Power circuit and related method for LED lighting device' [patent_app_type] => utility [patent_app_number] => 15/022371 [patent_app_country] => US [patent_app_date] => 2015-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4707 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15022371 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/022371
Power circuit and related method for LED lighting device Mar 9, 2015 Issued
Array ( [id] => 11968997 [patent_doc_number] => 20170273151 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2017-09-21 [patent_title] => 'Drive Circuit and Illumination Device Comprising the Drive Circuit' [patent_app_type] => utility [patent_app_number] => 14/631887 [patent_app_country] => US [patent_app_date] => 2015-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3490 [patent_no_of_claims] => 15 [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] => 14631887 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/631887
Drive circuit and illumination device comprising the drive circuit Feb 25, 2015 Issued
Array ( [id] => 11968997 [patent_doc_number] => 20170273151 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2017-09-21 [patent_title] => 'Drive Circuit and Illumination Device Comprising the Drive Circuit' [patent_app_type] => utility [patent_app_number] => 14/631887 [patent_app_country] => US [patent_app_date] => 2015-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3490 [patent_no_of_claims] => 15 [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] => 14631887 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/631887
Drive circuit and illumination device comprising the drive circuit Feb 25, 2015 Issued
Array ( [id] => 10361629 [patent_doc_number] => 20150246634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-03 [patent_title] => 'HEADLIGHT LEVEL CONTROL WITH RESIDENTIAL DETECTION MODE' [patent_app_type] => utility [patent_app_number] => 14/632493 [patent_app_country] => US [patent_app_date] => 2015-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5344 [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] => 14632493 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/632493
Headlight level control with residential detection mode Feb 25, 2015 Issued
Array ( [id] => 11008780 [patent_doc_number] => 20160205733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-14 [patent_title] => 'LOW-COST DIMMING DRIVER CIRCUIT WITH IMPROVED POWER FACTOR' [patent_app_type] => utility [patent_app_number] => 14/631175 [patent_app_country] => US [patent_app_date] => 2015-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 6664 [patent_no_of_claims] => 56 [patent_no_of_ind_claims] => 6 [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] => 14631175 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/631175
LOW-COST DIMMING DRIVER CIRCUIT WITH IMPROVED POWER FACTOR Feb 24, 2015 Abandoned
Array ( [id] => 11241392 [patent_doc_number] => 09468059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-11 [patent_title] => 'Light emitting device driving apparatus and illumination system including the same' [patent_app_type] => utility [patent_app_number] => 14/631202 [patent_app_country] => US [patent_app_date] => 2015-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 12945 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [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] => 14631202 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/631202
Light emitting device driving apparatus and illumination system including the same Feb 24, 2015 Issued
Array ( [id] => 12197210 [patent_doc_number] => 09900964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-20 [patent_title] => 'Resetting of an apparatus to a factory new state' [patent_app_type] => utility [patent_app_number] => 15/118273 [patent_app_country] => US [patent_app_date] => 2015-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 9305 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15118273 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/118273
Resetting of an apparatus to a factory new state Feb 5, 2015 Issued
Array ( [id] => 11624996 [patent_doc_number] => 20170135185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-11 [patent_title] => 'Central Unit of a Bus System, Bus System and Method for Locating Bus Subscribers' [patent_app_type] => utility [patent_app_number] => 15/127441 [patent_app_country] => US [patent_app_date] => 2015-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4221 [patent_no_of_claims] => 19 [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] => 15127441 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/127441
Central unit of a bus system, bus system and method for locating bus subscribers Feb 4, 2015 Issued
Array ( [id] => 11317447 [patent_doc_number] => 20160353556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-01 [patent_title] => 'INDOOR LIGHTING DEVICE, INDOOR LIGHTING SYSTEM, AND METHOD OF OPERATING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/114633 [patent_app_country] => US [patent_app_date] => 2015-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9962 [patent_no_of_claims] => 20 [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] => 15114633 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/114633
Indoor lighting device, indoor lighting system, and method of operating the same Jan 26, 2015 Issued
Array ( [id] => 10245361 [patent_doc_number] => 20150130356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-14 [patent_title] => 'LED LIGHT ASSEMBLY AND SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/601786 [patent_app_country] => US [patent_app_date] => 2015-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 49 [patent_no_of_words] => 10910 [patent_no_of_claims] => 20 [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] => 14601786 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/601786
LED light assembly and system Jan 20, 2015 Issued
Array ( [id] => 11368704 [patent_doc_number] => 20170006686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-05 [patent_title] => 'METHOD FOR CONTROLLING AN ADAPTIVE ILLUMINATION DEVICE, AND AN ILLUMINATION SYSTEM FOR CARRYING OUT SAID METHOD' [patent_app_type] => utility [patent_app_number] => 15/113231 [patent_app_country] => US [patent_app_date] => 2015-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4348 [patent_no_of_claims] => 20 [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] => 15113231 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/113231
METHOD FOR CONTROLLING AN ADAPTIVE ILLUMINATION DEVICE, AND AN ILLUMINATION SYSTEM FOR CARRYING OUT SAID METHOD Jan 19, 2015 Abandoned
Array ( [id] => 11755190 [patent_doc_number] => 09713224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-18 [patent_title] => 'Electroluminescent device with short detection circuit' [patent_app_type] => utility [patent_app_number] => 15/114877 [patent_app_country] => US [patent_app_date] => 2015-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8258 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15114877 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/114877
Electroluminescent device with short detection circuit Jan 12, 2015 Issued
Array ( [id] => 11317434 [patent_doc_number] => 20160353544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-01 [patent_title] => 'LIGHT-EMITTING DEVICE' [patent_app_type] => utility [patent_app_number] => 15/114816 [patent_app_country] => US [patent_app_date] => 2015-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 11836 [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] => 15114816 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/114816
LIGHT-EMITTING DEVICE Jan 6, 2015 Abandoned
Array ( [id] => 12336525 [patent_doc_number] => 09948177 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-17 [patent_title] => Power conversion device [patent_app_type] => utility [patent_app_number] => 15/541633 [patent_app_country] => US [patent_app_date] => 2015-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 9303 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [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] => 15541633 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/541633
Power conversion device Jan 6, 2015 Issued
Array ( [id] => 11126998 [patent_doc_number] => 20160323973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-03 [patent_title] => 'ILLUMINATION DEVICE, AND FRAME PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 15/107720 [patent_app_country] => US [patent_app_date] => 2014-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7729 [patent_no_of_claims] => 9 [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] => 15107720 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/107720
Illumination device, and frame provided with the same Dec 23, 2014 Issued
Array ( [id] => 11275625 [patent_doc_number] => 20160338171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-17 [patent_title] => 'A LIGHTING SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/107594 [patent_app_country] => US [patent_app_date] => 2014-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9306 [patent_no_of_claims] => 20 [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] => 15107594 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/107594
A LIGHTING SYSTEM Dec 22, 2014 Abandoned
Menu