Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11220651 | Reciprocating-type compressor oil | Hiroshi Kaneko, Mitsuhiro Nagakari | 2022-01-11 |
| 10920165 | Lubricating oil composition for hydraulic actuator equipped with electronic control device | Hiroyuki Tazaki, Hiroshi Kaneko, Mitsuhiro Nagakari | 2021-02-16 |