Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8661886 | Valve stem grommet structure | — | 2014-03-04 |
| 8650945 | Retention member on valve stem sealing grommet | Yutaka Amamiya | 2014-02-18 |
| 8631695 | Extended valve stem Cap | Hirotake Harada | 2014-01-21 |
| 8570537 | Method for bore chamfer measurement | — | 2013-10-29 |