Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9488906 | Photomask blank and method for manufacturing photomask blank | Yukio Inazuki, Toyohisa Sakurada, Akira Ikeda, Hideo Kaneko, Satoshi Watanabe +1 more | 2016-11-08 |
| 9400422 | Method for manufacturing photomask blank | Yoshio Kawai, Yukio Inazuki, Satoshi Watanabe, Akira Ikeda, Toyohisa Sakurada +1 more | 2016-07-26 |