Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240628 | Process for producing magnetic fluid | Takao Kanno, Yutaka Kouda, Yasuki Karita, Takahiro Ishizuka | 1993-08-31 |
| 4976883 | Process for preparing a magnetic fluid | Takao Kanno, Yutaka Koda | 1990-12-11 |
| 4956113 | Process for preparing a magnetic fluid | Takao Kanno, Yutaka Koda | 1990-09-11 |