Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12043813 | Lubricating oil composition | — | 2024-07-23 |
| 10865360 | Lubricating oil composition for engine equipped with supercharging mechanism, method for suppressing low-speed pre-ignition in engine equipped with supercharging mechanism using lubricating oil composition, and method for manufacturing lubricating oil composition | Kazushi TAMURA, Akira Iijima | 2020-12-15 |
| 10472583 | Lubricating oil composition | — | 2019-11-12 |
| 9938482 | Lubricating oil composition for internal combustion engine | — | 2018-04-10 |
| 9587200 | Lubricant composition for internal combustion engine | Hideki Kamano | 2017-03-07 |
| 6238640 | Conversion method of carbon monoxide and catalyst | Koichi Eguchi, Koshi Sekizawa, Sei-ichi Yano, Hiromichi Arai, Kanta Arai | 2001-05-29 |