Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948814 | Substrate for use as mask blank, and mask blank | Yusuke Hirabayashi | 2021-03-16 |
| 10146125 | Glass substrate for mask blank, mask blank, photomask, and method for manufacturing glass substrate for mask blank | Yusuke Hirabayashi, Yuzo Okamura | 2018-12-04 |
| 10146126 | Glass substrate for mask blank, mask blank, photomask, and method for manufacturing glass substrate for mask blank | Yusuke Hirabayashi, Yuzo Okamura | 2018-12-04 |