Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691008 | Magnetic recording media fabrication method | Kiyokazu Thoma, Kazunari Yoshimoto, Tatsuaki Ishida | 1997-11-25 |
| 5679166 | Magnetic recording media, magnetic recording media fabrication method, and fabrication equipment | Kiyokazu Thoma, Kazunari Yoshimoto, Tatsuaki Ishida | 1997-10-21 |
| 5679410 | Continuous fabrication of thin film magnetic recording medium with vacuum deposition | Kiyokazu Tohma, Tatsuaki Ishida, Kazunari Yoshimoto | 1997-10-21 |
| 5665460 | Magnetic recording medium | Kiyokazu Tohma, Tatsuaki Ishida, Kazunari Yoshimoto | 1997-09-09 |