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] => 12130790 [patent_doc_number] => 20180014376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'INPUT VOLTAGE STABILIZATION CIRCUIT FOR REAR COMBINATION LAMP, REAR COMBINATION LAMP, AND VEHICLE' [patent_app_type] => utility [patent_app_number] => 15/622942 [patent_app_country] => US [patent_app_date] => 2017-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11503 [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] => 15622942 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/622942
Input voltage stabilization circuit for rear combination lamp, rear combination lamp, and vehicle Jun 13, 2017 Issued
Array ( [id] => 13616557 [patent_doc_number] => 20180359830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => CONTROLLER STRUCTURE FOR LED LIGHT STRINGS [patent_app_type] => utility [patent_app_number] => 15/619434 [patent_app_country] => US [patent_app_date] => 2017-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15619434 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/619434
Controller structure for LED light strings Jun 8, 2017 Issued
Array ( [id] => 13697843 [patent_doc_number] => 20170359876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-14 [patent_title] => CURRENT TUNEBACK IN LIGHT EMITTING DIODE LUMINAIRES [patent_app_type] => utility [patent_app_number] => 15/618966 [patent_app_country] => US [patent_app_date] => 2017-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15618966 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/618966
Current tuneback in light emitting diode luminaires Jun 8, 2017 Issued
Array ( [id] => 13896987 [patent_doc_number] => 10201060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Communication address setting method, operation terminal, and lighting system [patent_app_type] => utility [patent_app_number] => 15/617956 [patent_app_country] => US [patent_app_date] => 2017-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 21 [patent_no_of_words] => 8066 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 450 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15617956 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/617956
Communication address setting method, operation terminal, and lighting system Jun 7, 2017 Issued
Array ( [id] => 12258577 [patent_doc_number] => 09930745 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-03-27 [patent_title] => 'LED driving circuit for controlling leakage current' [patent_app_type] => utility [patent_app_number] => 15/616374 [patent_app_country] => US [patent_app_date] => 2017-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5082 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 708 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15616374 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/616374
LED driving circuit for controlling leakage current Jun 6, 2017 Issued
Array ( [id] => 12401040 [patent_doc_number] => 09967947 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-05-08 [patent_title] => LED driving circuit for controlling leakage current and compatible with ballast [patent_app_type] => utility [patent_app_number] => 15/616426 [patent_app_country] => US [patent_app_date] => 2017-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6160 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15616426 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/616426
LED driving circuit for controlling leakage current and compatible with ballast Jun 6, 2017 Issued
Array ( [id] => 11947392 [patent_doc_number] => 20170251543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-31 [patent_title] => 'LAMP BYPASS SWITCH' [patent_app_type] => utility [patent_app_number] => 15/597583 [patent_app_country] => US [patent_app_date] => 2017-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1809 [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] => 15597583 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/597583
Lamp bypass switch May 16, 2017 Issued
Array ( [id] => 15171219 [patent_doc_number] => 10491124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-26 [patent_title] => BiFRED converter and a method of driving an output load [patent_app_type] => utility [patent_app_number] => 16/300031 [patent_app_country] => US [patent_app_date] => 2017-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 4640 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16300031 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/300031
BiFRED converter and a method of driving an output load May 9, 2017 Issued
Array ( [id] => 12035207 [patent_doc_number] => 20170325307 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-09 [patent_title] => 'BACKLIGHT UNIT, METHOD OF DRIVING THE SAME, AND DISPLAY DEVICE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/589488 [patent_app_country] => US [patent_app_date] => 2017-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6932 [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] => 15589488 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/589488
Backlight unit, method of driving the same, and display device including the same May 7, 2017 Issued
Array ( [id] => 14336561 [patent_doc_number] => 10299321 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-05-21 [patent_title] => Multi-channel white light tuning [patent_app_type] => utility [patent_app_number] => 15/589710 [patent_app_country] => US [patent_app_date] => 2017-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7123 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15589710 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/589710
Multi-channel white light tuning May 7, 2017 Issued
Array ( [id] => 12005091 [patent_doc_number] => 20170309246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'POWER SUPPLY DEVICE AND DISPLAY DEVICE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/495057 [patent_app_country] => US [patent_app_date] => 2017-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8575 [patent_no_of_claims] => 20 [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] => 15495057 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/495057
Power supply device and display device including the same Apr 23, 2017 Issued
Array ( [id] => 12006002 [patent_doc_number] => 20170310157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'LAMP WITH BATTERY BACKUP CAPABILITY' [patent_app_type] => utility [patent_app_number] => 15/493216 [patent_app_country] => US [patent_app_date] => 2017-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7106 [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] => 15493216 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/493216
Lamp with battery backup capability Apr 20, 2017 Issued
Array ( [id] => 14289069 [patent_doc_number] => 20190141819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => INTELLIGENT LIGHTING CONTROL BULB DETECTION APPARATUSES, SYSTEMS, AND METHODS [patent_app_type] => utility [patent_app_number] => 16/092931 [patent_app_country] => US [patent_app_date] => 2017-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16092931 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/092931
Intelligent lighting control bulb detection apparatuses, systems, and methods Apr 10, 2017 Issued
Array ( [id] => 14224717 [patent_doc_number] => 20190124744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-25 [patent_title] => MONITORING SYSTEM FOR MONITORING ELECTRICAL DEVICES [patent_app_type] => utility [patent_app_number] => 16/090938 [patent_app_country] => US [patent_app_date] => 2017-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7869 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16090938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/090938
Monitoring system for monitoring electrical devices Mar 29, 2017 Issued
Array ( [id] => 13772739 [patent_doc_number] => 10178728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-08 [patent_title] => Direct current negative dimming circuit and liquid crystal display device [patent_app_type] => utility [patent_app_number] => 15/552272 [patent_app_country] => US [patent_app_date] => 2017-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3314 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15552272 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/552272
Direct current negative dimming circuit and liquid crystal display device Mar 28, 2017 Issued
Array ( [id] => 18215963 [patent_doc_number] => 11590881 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Motor vehicle having at least one headlight with separately actuated light segments [patent_app_type] => utility [patent_app_number] => 16/084115 [patent_app_country] => US [patent_app_date] => 2017-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5472 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 411 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16084115 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/084115
Motor vehicle having at least one headlight with separately actuated light segments Mar 14, 2017 Issued
Array ( [id] => 11963021 [patent_doc_number] => 20170267174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-21 [patent_title] => 'LIGHT EMITTING ELEMENT DRIVING DEVICE, LIGHT EMITTING DEVICE, AND VEHICLE' [patent_app_type] => utility [patent_app_number] => 15/458310 [patent_app_country] => US [patent_app_date] => 2017-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6016 [patent_no_of_claims] => 19 [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] => 15458310 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/458310
Light emitting element driving device, light emitting device, and vehicle Mar 13, 2017 Issued
Array ( [id] => 13274521 [patent_doc_number] => 10149358 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-12-04 [patent_title] => Programmable control elements for illumination systems [patent_app_type] => utility [patent_app_number] => 15/457172 [patent_app_country] => US [patent_app_date] => 2017-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 39 [patent_no_of_words] => 19139 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15457172 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/457172
Programmable control elements for illumination systems Mar 12, 2017 Issued
Array ( [id] => 12558864 [patent_doc_number] => 10015862 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-03 [patent_title] => Power supply apparatus and method of supplying power [patent_app_type] => utility [patent_app_number] => 15/457052 [patent_app_country] => US [patent_app_date] => 2017-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5198 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15457052 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/457052
Power supply apparatus and method of supplying power Mar 12, 2017 Issued
Array ( [id] => 11972879 [patent_doc_number] => 20170277032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'DISCHARGE LAMP DRIVING DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVING METHOD' [patent_app_type] => utility [patent_app_number] => 15/448311 [patent_app_country] => US [patent_app_date] => 2017-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 37174 [patent_no_of_claims] => 24 [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] => 15448311 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/448311
Discharge lamp driving device, light source device, projector, and discharge lamp driving method Mar 1, 2017 Issued
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