Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4785405 | Power system stabilizer | Taizo Hasegawa, Hirotaka Ono, Isao Koda, Hideharu Oshida, Toshiharu Narita | 1988-11-15 |
| 4481629 | Abnormal signal detecting device | Minoru Hatata | 1984-11-06 |