Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776784 | Hydrodesulfurization catalyst and hydrodesulfurization process for gasoline fractions | Hideshi Iki, Shigeto Hatanaka, Shinya Takahashi | 2010-08-17 |
| 7371710 | Lubricating oil composition | — | 2008-05-13 |
| 6828286 | Lubricant compositions | Kenichi Komiya, Naozumi Arimoto, Noboru Ishida, Shinichi Shirahama | 2004-12-07 |