Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982214 | Tractor hydraulic fluid compositions | Shuhei Yamamoto | 2018-05-29 |
| 8497232 | Friction modifier and transmission oil | Michio Shiga, Masami Fuchi, Takahiro Nakagawa | 2013-07-30 |