Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12021369 | Impulse voltage generation device, and power semiconductor switch protection method | Jintong Sun, Tetsuo Yoshimitsu, Kiyoshi Umezu | 2024-06-25 |
| 6329734 | Permanent magnet and reluctance type rotating machine | Norio Takahashi, Kazuto Sakai, Yutaka Hashiba, Masanori Arata | 2001-12-11 |