Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456475 | Process for preparing ferromagnetic particles comprising metallic iron | Toshinobu Sueyoshi, Masahiro Amemiya | 1984-06-26 |
| 4400337 | Method for production of metal magnetic particles | Yukihiro Hayashi, Toshinobu Sueyoshi, Mikio Kishimoto, Katsunori Tashita, Masahiro Amemiya | 1983-08-23 |
| 4390361 | Process for preparing ferromagnetic particles comprising metallic iron | Toshinobu Sueyoshi, Masahiro Amemiya | 1983-06-28 |