Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4447196 | Rotary vane compressor with valve control of undervane pressure | Eiichi Nagasaku, Masao Yasunaga | 1984-05-08 |
| 4403929 | Rotary compressor | Eiichi Nagasaku, Masao Yasunaga | 1983-09-13 |