Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562397 | Squirrel-cage induction motor | Noriyoshi Takahashi, Toshiaki Okuyama, Masatoshi Watanabe, Hitoshi Ohura | 1985-12-31 |
| 4503377 | Variable speed rotary electric machine | Noriyoshi Takahashi, Masatoshi Watanabe, Toshiaki Okuyama, Yoji Tanaka | 1985-03-05 |
| 4306165 | Cooling system for rotary electric machines | Masatoshi Watanabe, Hironori Okuda, Noriyoshi Takahashi | 1981-12-15 |