Issued Patents All Time
Showing 1–3 of 3 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 |
| 5569523 | Magnetic recording medium having a ferromagnetic thin film in which 70% to 90% of the total magnetic particles have residual magnetization vectors within .+-.10.degree. of the easy axis direction | Kazunari Yoshimoto, Ryuji Sugita, Tatsuaki Ishida | 1996-10-29 |