Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320514 | Roll stamper, and apparatus and process for manufacturing substrate sheet for information recording mediums by using the same | Osamu Kanome, Hirofumi Kamitakahara, Hitoshi Yoshino, Toshiya Yuasa, Takashi Kai +1 more | 1994-06-14 |
| 5308235 | Roll stamper and apparatus for forming a substrate for information recording medium | Hirofumi Kamitakahara, Yukitoshi Ohkubo, Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato +1 more | 1994-05-03 |
| 5281372 | Process for producing resin moldings having a concave-convex pattern on the surface | Hisanori Hayashi, Hirofumi Kamitakahara, Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato | 1994-01-25 |