Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383799 | Ring and groove contraction for assembling a turbocharger | Hiroshi Okano | 1983-05-17 |
| 4279576 | Rotating speed detecting device of a turbocharger | Hiroshi Okano | 1981-07-21 |