Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007959 | Photomask and pattern formation method using the same | Akio Misaka, Shigeo Irie | 2011-08-30 |
| 7998641 | Photomask and pattern formation method using the same | Shigeo Irie, Akio Misaka, Tetsuya Nakamura, Chika Harada | 2011-08-16 |