Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485808 | Method of manufacturing an optical disk substrate, an apparatus of manufacturing an optical disk and an optical disk substrate | Yumiko Anzai, Motoyasu Terao, Tetsuya Nishida | 2002-11-26 |