Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865139 | Large-size synthetic quartz glass substrate, evaluation method, and manufacturing method | Yoko Ishitsuka, Daijitsu Harada, Masaki Takeuchi | 2020-12-15 |
| 10737966 | Method for preparing synthetic quartz glass substrate | Yoko Ishitsuka, Daijitsu Harada, Masaki Takeuchi | 2020-08-11 |
| 10646976 | Method for producing substrate | Yoko Ishitsuka, Masaki Takeuchi | 2020-05-12 |