Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588972 | Electromagnetic induction apparatus with cooling grooves | Yoshio Yoshida, Yuichi Kabayama, Hisao Kan, Tetsuro Hakata, Takahiro Matsumoto | 1986-05-13 |
| 4581477 | Gas-insulated electrical apparatus | Yoshio Yoshida, Yuichi Kabayama, Tetsuro Hakata, Takahiro Matsumoto, Tsugio Watanabe | 1986-04-08 |