Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820954 | Lubricant composition for transmission, production method thereof, lubricating method using lubricant composition for transmission, and transmission | — | 2023-11-21 |
| 11572525 | Lubricating oil composition | — | 2023-02-07 |
| 11535808 | Lubricating oil composition | — | 2022-12-27 |
| 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 | Toshimasa Utaka, Akira Iijima | 2020-12-15 |
| 10781395 | Lubricant composition for gasoline engine and method for producing same | — | 2020-09-22 |
| 10584302 | Lubricating oil composition and method for manufacturing said lubricating oil composition | — | 2020-03-10 |
| 10155915 | Lubricating oil composition and method for reducing friction in internal combustion engines | — | 2018-12-18 |