Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712070 | Power conversion device | Takushi Jimichi, Satoshi Azuma, Kimiyuki Koyanagi, Ritaka Nakamura, Yoshihito Kato | 2017-07-18 |
| 6492720 | Flat-type semiconductor stack | Hiroaki Yamaguchi | 2002-12-10 |