Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048596 | Photomask producing method and photomask blank | Mutsumi Hara | 2011-11-01 |
| 8048591 | Mask blank glass substrate, mask blank glass substrate manufacturing method, mask blank manufacturing method, and mask manufacturing method | Hisashi Kasahara | 2011-11-01 |
| 8043771 | Phase shift mask blank and method of manufacturing phase shift mask | Atsushi Kominato, Toshiyuki Suzuki | 2011-10-25 |
| 8021804 | Photomask manufacturing method | Hisashi Kasahara | 2011-09-20 |
| 7955763 | Mask blank glass substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, mask blank glass substrate, mask blank, and mask | Akinori Kurikawa, Hisashi Kasahara | 2011-06-07 |
| 7901842 | Photomask blank and method of producing the same, method of producing photomask, and method of producing semiconductor device | Takeyuki Yamada, Masao Ushida, Hiroyuki Iwashita | 2011-03-08 |
| 7871713 | Electroluminescent material, electroluminescent element and color conversion filter | Hiroshi Kita, Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda | 2011-01-18 |