Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025039 | Valve spring device and valve train of internal combustion engine using the same | Kazuo Iwata, Noritoshi Takamura, Jun Tominaga, Takeshi Yabushita | 2011-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025039 | Valve spring device and valve train of internal combustion engine using the same | Kazuo Iwata, Noritoshi Takamura, Jun Tominaga, Takeshi Yabushita | 2011-09-27 |