Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375285 | Apparatus for cleaning cylindrical outer surface of a disk | Hitoshi Miura | 1994-12-27 |
| 5369321 | Optical recording medium | Tadashi Koike, Tomoyoshi Sasakawa, Yuko Suzuki, Kouichi Shiina | 1994-11-29 |
| 5344682 | Optical recording medium | Tadashi Koike, Nobuhisa Kitagawa, Sumio Hirose | 1994-09-06 |