Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10655081 | Defoaming agent and lubricating oil composition | Akira Takagi, Go Tatsumi | 2020-05-19 |
| 10647941 | Defoaming agent and lubricating oil composition | Akira Takagi | 2020-05-12 |
| 10087389 | Lubricating oil composition | Go Tatsumi, Hironori Isoh, Isao Kurihara, Masaaki Itou | 2018-10-02 |