Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067310 | Semiconductor device and method for manufacturing of same | Tomomi Imamura, Yoshinosuke Nishijo | 2011-11-29 |
| 7936015 | Semiconductor device having trenches filled with a semiconductor having an impurity concentration gradient | Kenichi Tokano, Wataru Saito | 2011-05-03 |
| 7898031 | Semiconductor device with tapered trenches and impurity concentration gradients | Kenichi Tokano, Wataru Saito | 2011-03-01 |