Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308235 | Roll stamper and apparatus for forming a substrate for information recording medium | Hirofumi Kamitakahara, Naoki Kushida, Hitoshi Yoshino, Osamu Kanome, Tetsuya Sato +1 more | 1994-05-03 |