Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379115 | Windmill and windmill control method | — | 2002-04-30 |
| 4735559 | Scroll-type vacuum pump with oil seal between suction and discharge chambers | Etsuo Morishita, Masayuki Kakuda, Yoshihisa Kitora | 1988-04-05 |
| 4533292 | Turbine rotatable in one direction in a reciprocating flow | Masahiro Sugihara, Etsuo Morishita, Shin Sekiya | 1985-08-06 |