Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733258 | Gas compressor apparatus having a discharge pulsation reducing cooler | Hiroshi Okada | 2004-05-11 |
| 6663366 | Compressor having cooling passage integrally formed therein | Hiroshi Okada, Kazuhiro Ojika, Mamoru Shimoda | 2003-12-16 |
| 6585503 | Screw compressor having a shaped discharge port | Hiroshi Okada | 2003-07-01 |