Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7973361 | High breakdown voltage semiconductor device and fabrication method of the same | Yoshinobu Sato, Hiroyoshi Ogura, Hisao Ichijo, Toru Terashita | 2011-07-05 |
| 7944022 | Lateral insulated gate bipolar transistor having a retrograde doping profile in base region and method of manufacture thereof | Yoshinobu Sato | 2011-05-17 |