Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740455 | Photomask | Kenji Noguchi, Toshiaki Motonaga, Hiro-o Nakagawa, Yasutaka Morikawa, Toshifumi Yokoyama +3 more | 2004-05-25 |
| 5556724 | Phase shift photomask and method of producing same | Norihiro Tarumoto, Hiroyuki Inomata | 1996-09-17 |