Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287928 | Valve operating apparatus for internal combustion engine | Hiroshi Yokota, Satoru Nojima | 2019-05-14 |
| 10273905 | Exhaust emission control device for internal combustion engine | Hiroshi Yokota, Hiroyuki Sugiura | 2019-04-30 |