Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080846 | Semiconductor device having improved breakdown voltage and method of manufacturing the same | Koh Yoshikawa, Setsuko Wakimoto | 2011-12-20 |
| 7510975 | Method for manufacturing a semiconductor device having trenches defined in the substrate surface | Daisuke Kishimoto, Yuji Sano, Akihiko Ohi, Yoshihiko Nagayasu | 2009-03-31 |
| 7410873 | Method of manufacturing a semiconductor device | — | 2008-08-12 |
| 7368363 | Method of manufacturing semiconductor device and method of treating semiconductor surface | Reiko Hiruta, Ryosuke Shimizu | 2008-05-06 |