Issued Patents 2020
Showing 1–2 of 2 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 |