Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9507252 | Photomask and pattern forming method using photomask | — | 2016-11-29 |
| 9291889 | Photo mask and method for forming pattern using the same | Yoshimasa YOSHIOKA, Shigeo Irie, Hiroshi Sakaue, Masaru Sasago | 2016-03-22 |