Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211770 | Magnetic recording powder having a high coercive force at room temperatures and a low curie point | Ginya Ishiguro, Kouichi Ishiyama, Yoshinari Ishii, Takuo Takeshita, Hachiro Saito | 1993-05-18 |