Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691008 | Magnetic recording media fabrication method | Kazunari Yoshimoto, Ryuji Sugita, Tatsuaki Ishida | 1997-11-25 |
| 5679166 | Magnetic recording media, magnetic recording media fabrication method, and fabrication equipment | Kazunari Yoshimoto, Ryuji Sugita, Tatsuaki Ishida | 1997-10-21 |