Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7670498 | Coolant composition for fuel cell | Hiroshi Egawa, Hidemi Kado, Tsuyumi Takashiba, Shiro Yagawa | 2010-03-02 |
| 7540974 | Antifreeze/coolant composition | Hiroshi Egawa, Hidemi Kado, Yoshiyuki Morita, Mitsuru Osawa, Ayako Omori | 2009-06-02 |
| 6508951 | Low P type coolant composition | Yasuaki Mori, Mitsuru Osawa, Takashi Nagashima | 2003-01-21 |