Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9746773 | Titania-doped quartz glass and making method | Hisatoshi Otsuka, Tetsuji Ueda, Masanobu Ezaki | 2017-08-29 |
| 9612525 | Titania-doped quartz glass and making method | Hisatoshi Otsuka | 2017-04-04 |