Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328816 | Process for producing optical recording medium | Miki Tamura, Osamu Kanome, Yukitoshi Okubo, Mizuho Hiraoka, Masataka Yashima | 1994-07-12 |
| 5324188 | Roller stamper for molding a substrate sheet to become an information recording medium | Tsuyoshi Santoh, Masataka Yashima, Hirofumi Kamitakahara, Hitoshi Yoshino, Osamu Kanome +2 more | 1994-06-28 |
| 5310333 | Roll stamper for molding substrate used for optical recording medium | Tetsuya Sato, Osamu Kanome, Masataka Yashima | 1994-05-10 |
| 5275925 | Infrared-absorptive compound containing optical recording medium | Chieko Mihara, Tsuyoshi Santoh, Tetsuro Fukui | 1994-01-04 |