Inventor
Chen-Fu Tsai
Inventor
Taichung, TW
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Hprimary
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool50%
F16CShafts25%
F16JPistons25%
PatentTitleYear
7,943,882'Sealing apparatus having circulating channel for wire cutting machine'20117,119,300'Method and apparatus of asynchronous electric discharge machine for wire cut'20066,612,043'Method and apparatus for vertically calibrating wire of wire cutting electric discharge machine'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2006Patents assigned to IND TECH RES INST (2)· patent assignee history
2003Based in Hsinchu, TW· patent location history
2006Based in Hsinchu County, TW· patent location history
2011Patents assigned to ACCUTEX TECHNOLOGIES CO LTD (1)· patent assignee history
2011Based in Taichung, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IND TECH RES INST | 2 | 2003–2006 |
| ACCUTEX TECHNOLOGIES CO LTD | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taichung, TW | 1 | 2011 |
| Hsinchu County, TW | 1 | 2006 |
| Hsinchu, TW | 1 | 2003 |