Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10481484 | Reflective mask blank, reflective mask, method for manufacturing reflective mask blank, and method for manufacturing semiconductor device | Takahiro Onoue, Tsutomu Shoki | 2019-11-19 |
| 10394113 | Reflective mask blank, reflective mask and method of manufacturing semiconductor device | Kazuhiro Hamamoto | 2019-08-27 |