Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005693 | Opaque quartz glass and method for its production | Satori Hirai, Kazuyoshi Arai | 2018-06-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005693 | Opaque quartz glass and method for its production | Satori Hirai, Kazuyoshi Arai | 2018-06-26 |