Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616985 | Vane type compressor having an improved rotatable sleeve | Toshihiko Hattori, Yuji Akagi | 1986-10-14 |
| 4509906 | Vane type rotary compressor having a wear resistant resin coating | Toshihiko Hattori, Yuji Akagi | 1985-04-09 |
| 4228203 | Method of forming aluminum coating layer on ferrous base alloy workpiece | Toshiro Yagi, Junichi Yamamoto | 1980-10-14 |