Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8627239 | Mask fabrication supporting method, mask blank providing method, and mask blank dealing system | Hiroyuki Ishida, Koichi Maruyama | 2014-01-07 |
| 8196070 | Mask fabrication supporting method, mask blank providing method, and mask blank dealing system | Hiroyuki Ishida, Koichi Maruyama | 2012-06-05 |
| 7660456 | Mask fabrication supporting method, mask blank providing method, and mask blank dealing system | Hiroyuki Ishida, Koichi Maruyama | 2010-02-09 |