Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8278014 | Photomask and pattern formation method using the same | Shigeo Irie, Akio Misaka, Yuji Nonami, Tetsuya Nakamura | 2012-10-02 |
| 7998641 | Photomask and pattern formation method using the same | Shigeo Irie, Akio Misaka, Yuji Nonami, Tetsuya Nakamura | 2011-08-16 |