Issued Patents 1994
Showing 1–1 of 1 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, Naoki Kushida, Hitoshi Yoshino, Takashi Kai +1 more | 1994-06-14 |