Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012654 | Photomask blank and photomask | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2011-09-06 |
| 8003284 | Photomask blank and photomask | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2011-08-23 |
| 7989124 | Photomask blank and photomask making method | Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Tadashi Saga +2 more | 2011-08-02 |