Inventor
Ying-Ya Lu
Inventor
Kaohsiung, TW
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters89%
H02HEmergency protective circuit arrangements11%
PatentTitleYear
6,922,038'Speed control circuit for a dc brushless motor'20056,822,419'Speed control circuit for a DC brushless motor'20046,815,916'Speed-control drive circuit for a D.C. brushless fan motor'20046,759,819'Rotation detection circuit of a dc brushless motor using a fixed bias voltage'20046,744,229'Safety-guard detective circuit of a fan motor'20046,741,047'Dual current-limiting circuit for DC brushless motor'20046,664,756'Conversion circuit for a DC brushless motor'20036,593,715'Single-phase motor with a conversion circuit'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2005Patents assigned to SUNONWEALTH ELECTR MACH IND CO (8)· patent assignee history
2003–2005Based in Kaohsiung, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUNONWEALTH ELECTR MACH IND CO | 8 | 2003–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kaohsiung, TW | 8 | 2003–2005 |