Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5585173 | High-purity, opaque quartz glass, method for producing same and use thereof | Kouichi Ono, Koji Tsukuma, Hiroya Nagata, Emiko Abe, Yoshikazu Kikuchi +1 more | 1996-12-17 |