Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11424389 | Synthetic quartz glass cavity member, synthetic quartz glass cavity lid, optical device package, and making methods | Harunobu Matsui, Daijitsu Harada, Hiroyuki Yamazaki, Masaki Takeuchi | 2022-08-23 |
| 11402751 | Imprint mold-forming synthetic quartz glass substrate | Hiroyuki Yamazaki, Masao Ando, Masaki Takeuchi | 2022-08-02 |