Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9798050 | Substrate with multilayer reflective film, mask blank, transfer mask and method of manufacturing semiconductor device | Kazuhiro Hamamoto | 2017-10-24 |
| 9581895 | Mask blank substrate, substrate with multilayer reflective film, reflective mask blank, reflective mask, method of manufacturing mask blank substrate, method of manufacturing substrate with reflective film and method of manufacturing semiconductor device | Kazuhiro Hamamoto, Tsutomu Shoki, Junichi Horikawa | 2017-02-28 |