Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911905 | Processes for producing hydrated iron oxide and ferromagnetic iron oxide | Hideaki Tokunaga, Koji Nakata, Seiji Shinohara, Kouji Kurosaki, Nobuyuki Hashimoto | 1999-06-15 |