Inventor
Wen-Tien Tsai
Inventor
Pingtung County, TW
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Bprimary
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications41%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems35%
H05BElectric heating12%
G01RMeasuring electric variables6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
PatentTitleYear
9,549,444'Dimming system and operating method thereof'20179,343,956'Passive power factor correction circuit, electronic device applying the same and operation methods thereof'20169,257,904'Direct current conversion circuit'20169,190,904'DC conversion circuit'20159,048,750'Active buck power factor correction device'20158,901,900'Buck power factor correction system'20148,878,459'Method for identifying rated power of HID lamp'20148,111,009'Light adjustment circuit for alternating-current light emitting diodes (AC-LED\'s)'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2017Patents assigned to IND TECH RES INST (8)· patent assignee history
2012–2015Patents assigned to TSAI WEN-TIEN (4)· patent assignee history
2012Patents assigned to CHEN CHUNG-YUE (1)· patent assignee history
2012–2017Based in Pingtung County, TW· patent location history
2014–2015Patents assigned to LEE CHING-RAN (3)· patent assignee history
2015Patents assigned to CHEN PO-YEN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IND TECH RES INST | 8 | 2012–2017 |
| TSAI WEN-TIENself | 4 | 2012–2015 |
| LEE CHING-RAN | 3 | 2014–2015 |
| CHEN CHUNG-YUE | 1 | 2012 |
| CHEN PO-YEN | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pingtung County, TW | 8 | 2012–2017 |