Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939210 | Electric automobile | Ryoichi Okuyama, Yoshihiro Yamamoto, Masashi Motoi | 2011-05-10 |
| 7910252 | Hydrogen supply system | Ryoichi Okuyama, Yoshihiro Yamamoto, Masashi Motoi | 2011-03-22 |