Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8235357 | Valve gear having a valve stem and a valve bush | Toshinari Nishimura | 2012-08-07 |
| 8167270 | Valve gear with a bearing having a sliding surface against a valve shaft | Toshinari Nishimura, Takahiko Hirohata, Masaya Kanikawa | 2012-05-01 |