Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254890 | Lubricant composition | Ryuji Maruyama, Kenji Ohara, Mitsuhiro Nagakari, Misato Kishi, Kotaro Hiraga +1 more | 2022-02-22 |
| 8168573 | Lubricating oil composition | Eiji Nagatomi, Kenji Ueno, Koji Saito, Kiyonari Ishikawa, Hiroshi Fujito | 2012-05-01 |