Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9269576 | Silicon carbide semiconductor substrate and method for manufacturing same | Naohiko Hirano | 2016-02-23 |
| 8349693 | Method of manufacturing a semiconductor device having a super junction | Takumi Shibata | 2013-01-08 |
| 8097511 | Semiconductor device having P-N column layer and method for manufacturing the same | Takumi Shibata, Syouji Nogami, Tomonori Yamaoka | 2012-01-17 |
| 7915671 | Semiconductor device having super junction structure | Takumi Shibata | 2011-03-29 |