Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021673 | Lubricant composition | Mao Ueda | 2021-06-01 |
| 10465142 | Lubricating oil composition for internal combustion engines | Mao Ueda, Kouichi Kubo | 2019-11-05 |
| 10100265 | Lubricating oil composition for internal combustion engines | Kouji Murakami, Izumi Kobayashi, Kouichi Kubo | 2018-10-16 |
| 9580666 | Lubricating oil composition | Kouichi Kubo | 2017-02-28 |
| 6756346 | Lubricating oil composition useful in hydraulic fluids | Yoshiharu Baba | 2004-06-29 |