Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10042247 | Mask blank, method for manufacturing mask blank and transfer mask | Takahiro Hiromatsu, Yasushi Sakaida, Ryuta MIZUOCHI, Rikimaru Sakamoto, Masaki Nagai | 2018-08-07 |
| 9927697 | Mask blank, method of manufacturing mask blank and method of manufacturing transfer mask | Takahiro Hiromatsu | 2018-03-27 |