Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8187763 | Cooling liquid composition for fuel cell | Hiroshi Egawa, Nobuyuki Kaga, Shiro Yagawa | 2012-05-29 |
| 7670498 | Coolant composition for fuel cell | Michihiro Hori, Hiroshi Egawa, Hidemi Kado, Shiro Yagawa | 2010-03-02 |