Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8446202 | Power limiting circuit | Hirotaka Sato, Yoshiaki Doi, Yoichi Kushioka | 2013-05-21 |
| 4395321 | Separator electrolytic cell | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto | 1983-07-26 |