Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6127325 | Viscosity index improver, process for preparing the same and lubricating oil composition | Shuji Suyama, Hidefumi Tochigi, Hiroshi Ohmura | 2000-10-03 |
| 5091586 | Novel dialkyl peroxides, production method and use thereof | Shuji Suyama | 1992-02-25 |
| 4954656 | Ester-type polymeric peroxides | Shuji Suyama | 1990-09-04 |