Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500935 | Package substation in tank with separate chambers | Nagayuki Tsutsumi | 1985-02-19 |
| 4482880 | Iron core for three-phase electromagnetic induction machine | Yoshihiro Ohta, Hidenori Kawakami | 1984-11-13 |