Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11656582 | Radio wave watch | Ken Kitamura, Shuji Naka, Akira Kato | 2023-05-23 |
| 10781656 | Undersea mining base, mining base monitoring device, and chimney avoidance method for seabed deposit | Fumio Yuasa | 2020-09-22 |
| 6683769 | Protective relay apparatus | Daisuke Maeda, Takashi Funawatari | 2004-01-27 |
| 6678136 | Protective relay apparatus | Daisuke Maeda, Takashi Funawatari | 2004-01-13 |
| 6268579 | Vacuum switchgear | Satoru Kajiwara, Toru Tanimizu, Yozo Shibata, Ayumu Morita | 2001-07-31 |
| 5892645 | Protection system for power receiving station | Toru Tanimizu, Kazuo Kano, Yasunobu Kanou, Toshio Horikoshi, Koji Kondou +2 more | 1999-04-06 |