Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478887 | Die abnormality prediction system, press machine provided with the same, and die abnormality prediction method | Tetsuya Iwakuro, Takayuki Sawada, Masayuki Otani, Kazuyoshi Koga, Takeshi Honda +1 more | 2019-11-19 |
| 7579712 | Power system protection system | Ken Yanagihashi, Mamoru Suzuki, Akira Ishibashi, Yasuchika Nishitani | 2009-08-25 |
| 5796630 | Protective relay system provided with difference and addition filters | Hiroshi Yamakawa, Fumio Andow, Mitsuru Yamaura, Yasuhiro Kurosawa | 1998-08-18 |
| 5503964 | Resist removing method | Tatsushi Nishina, Shin Hasebe | 1996-04-02 |
| 5170308 | Method and system of transformer protection and method and system of detecting a defective winding | Keizo Inagaki, Yoshihiro Sano, Yoshiaki Matsui | 1992-12-08 |
| 4546303 | Static reactive-power compensation apparatus | Setsurou Mine | 1985-10-08 |