Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11108102 | Coolant | Hiroyuki Arai, Yasuaki KODAMA, Yoshimichi UMEHARA, Yoichiro Yoshii, Yu Sasaki | 2021-08-31 |
| 10913883 | Coolant composition and method of operating internal combustion engine using the same | Yasuaki KODAMA, Shogo Kamenoue, Kazuhito Yaeda, Yoichiro Yoshii | 2021-02-09 |
| 10899952 | Automotive engine coolant composition, automotive engine concentrated coolant composition, and method of operating internal combustion engine | Yasuaki KODAMA, Tomoyuki Nakano, Takato Sakurai, Kazuhito Yaeda, Yoichiro Yoshii +2 more | 2021-01-26 |
| 10883031 | Automotive engine coolant composition, automotive engine concentrated coolant composition, and method of operating internal combustion engine | Yasuaki KODAMA, Kazuhito Yaeda, Yoichiro Yoshii, Yosuke Kishino, Tomoyuki Nakano +1 more | 2021-01-05 |