Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338408 | Lubricating oil composition | Yohei Susukida, Yasushi Onumata, Akira Tada | 2025-06-24 |
| 12060536 | Defoaming agent and lubricating oil composition | Akira Takagi | 2024-08-13 |
| 12024667 | Cooling liquid composition | Akira Tada, Yasushi Onumata, Yohei Susukida | 2024-07-02 |
| 11718810 | Lubricating oil composition and method for defoaming lubricating oil, and defoaming agent composition | Akira Takagi, Go Tatsumi | 2023-08-08 |
| 11555159 | Lubricating oil composition | Yohei Susukida, Yasushi Onumata, Akira Tada | 2023-01-17 |
| 9359574 | Lubricating oil composition | Yasushi Onumata | 2016-06-07 |