Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665059 | Method of measuring an inner stress state of disk substrate | Eiji Ishibashi, Toru Yoshizawa, Yukitoshi Otani | 2003-12-16 |
| 6563263 | Multi-colored organic EL device with protective layer | Koji Kawaguchi | 2003-05-13 |