Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279877 | Magneto optical disc | Ryota UCHIYAMA, Hiroyuki Endo, Isamu Kuribayashi, Shin-ichi Tezuka, Tsuneo Kuwahara +1 more | 1994-01-18 |
| 5244706 | Optical recording disk | Hideki Hirata, Toshifumi Tanaka, Atsuko Motai | 1993-09-14 |
| 5242729 | Optical recording medium | Hideki Hirata, Toshifumi Tanaka, Atsuko Motai | 1993-09-07 |