Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058078 | Information recording disc demagnetization apparatus | — | 2000-05-02 |
| 5006058 | Apparatus for injection molding information recording disks | Haruhisa Maruyama, Hiroaki Watanabe, Osamu Yagisawa | 1991-04-09 |
| 4567114 | Thermal dye-transfer type recording sheet | Hiroyo Oshima, Isao Kano, Yutaka Kojima, Yoshihiko Shimura, Koichi Nagai | 1986-01-28 |
| 4490435 | Thermal dye-transfer type recording sheet | Hiroyo Oshima, Isao Kano, Yutaka Kojima, Koichi Nagai, Kunio Hata | 1984-12-25 |