Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5246475 | Method for preparing a fused silica glass body co-doped with a rare earth element and aluminum | Noboru Edagawa, Yoshihiro Yoshida, Minoru Taya, Kazuo Koya | 1993-09-21 |