Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7744686 | Frost-preventive composition | Daijiro Shiino, Kosuke Tsuda, Akinori Itoh, Hiroshi Mori, Masaaki Kume | 2010-06-29 |
| 6127325 | Viscosity index improver, process for preparing the same and lubricating oil composition | Shuji Suyama, Yoshiki Higuchi, Hiroshi Ohmura | 2000-10-03 |