Issued Patents All Time
Showing 226–228 of 228 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263015 | Magneto-optical recording media and overwrite recording method using the same | Toshio Niihara, Makoto Miyamoto, Keikichi Andoo, Tsuyoshi Toda, Atsushi Saito +3 more | 1993-11-16 |
| 5179546 | Magneto-optical disk and process for manufacturing the same | Yumiko Anzai, Yoshinori Miyamura, Toshio Niihara, Norio Ohta | 1993-01-12 |
| 5170383 | Magneto-optical data recording system | Seiji Yonezawa, Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi +2 more | 1992-12-08 |