Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595457 | Oil-impregnatable insulating board | Ryota Nishiyama, Masahiro Amano, Shunji Seino, Yutaka Gamou | 1986-06-17 |
| 4482880 | Iron core for three-phase electromagnetic induction machine | Yoshihiro Ohta, Keiji Tsuruta | 1984-11-13 |