Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609789 | Cobalt-containing magnetic iron oxide and process for producing the same | Kiyoshi Asano, Arata Koyama, Nobusuke Takumi, Kouichi Tamura, Tokuo Suita | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609789 | Cobalt-containing magnetic iron oxide and process for producing the same | Kiyoshi Asano, Arata Koyama, Nobusuke Takumi, Kouichi Tamura, Tokuo Suita | 1997-03-11 |