Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4267207 | Process for producing cobalt-containing ferromagnetic iron oxide powder | Koji Sasazawa, Tatsuji Kitamoto, Goro Akashi, Kouichi Masaki | 1981-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4267207 | Process for producing cobalt-containing ferromagnetic iron oxide powder | Koji Sasazawa, Tatsuji Kitamoto, Goro Akashi, Kouichi Masaki | 1981-05-12 |