Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878653 | Ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass | Yuko Ishizu | 2005-04-12 |
| 6407021 | Ultraviolet radiation-absorbing, colorless, transparent soda-lime silica glass | Teiji Kita | 2002-06-18 |