Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404407 | Mask blank, mask blank manufacturing method, transfer mask, and transfer mask manufacturing method | Masahiro Hashimoto, Hiroshi Shirotori, Mitsuhiro Shirakura | 2013-03-26 |
| 5062981 | Magnet and method for manufacturing the same | Takuji Nomura, Shogo Miki, Takashi Sakauchi, Yoshitaka Sato | 1991-11-05 |