Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670650 | Power semiconductor rectifier with ring-shaped trenches | Tatsuya Naito, Masahito Otsuki, Mitsuaki Kirisawa | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670650 | Power semiconductor rectifier with ring-shaped trenches | Tatsuya Naito, Masahito Otsuki, Mitsuaki Kirisawa | 2003-12-30 |