Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926352 | Magnetic disk and a glass substrate for the magnetic disk | Yuzo Murayama | 1999-07-20 |
| 5549954 | Magnetic disc | Haruhiko Otsuka, Yuzo Murayama, Akihiko Tashiro, Kyoko Hyomi | 1996-08-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926352 | Magnetic disk and a glass substrate for the magnetic disk | Yuzo Murayama | 1999-07-20 |
| 5549954 | Magnetic disc | Haruhiko Otsuka, Yuzo Murayama, Akihiko Tashiro, Kyoko Hyomi | 1996-08-27 |