Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342589 | Process for preparing iron compound particles for use in magnetic recording | Kazushi Ohshima, Haruo Sekiguchi, Kazuhiro Imaoka, Fujio Hayashi | 1982-08-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342589 | Process for preparing iron compound particles for use in magnetic recording | Kazushi Ohshima, Haruo Sekiguchi, Kazuhiro Imaoka, Fujio Hayashi | 1982-08-03 |