Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785882 | Fluorine-based magnetic fluid | Yasushi Yamamoto, Yoshiyuki Takeishi, Yutaka Kouda, Takao Kanno | 1998-07-28 |
| 5738802 | Fluorine-based magnetic fluid | Yasushi Yamamoto, Yoshiyuki Takeishi, Yutaka Kouda, Takao Kanno | 1998-04-14 |
| 5718833 | Fluorine-based magnetic fluid | Yasushi Yamamoto, Yoshiyuki Takeishi, Yutaka Kouda, Takao Kanno | 1998-02-17 |