Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922683 | Extracorporeal circulator | Mitsuaki Ogihara, Hidetaka Nakayama, Kazuhiko Takeuchi, Yuki Ishikura | 2011-04-12 |
| 6522044 | Disc-type commutator for electric rotating machine | Jiro Ebihara, Hajime Ohta | 2003-02-18 |
| 5317122 | Discharge-processing electric power-source assembly | Munenori Kimura, Kazuo Tsurumoto, Shouichi Nagasaka | 1994-05-31 |
| 5216217 | Wirecut electrical discharge machine | Hiroaki Morishita, Yutaka Terada, Kazuo Tsurumoto | 1993-06-01 |