Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634990 | Photomask and methods for manufacturing and correcting photomask | Takaharu Nagai, Hiroshi Mohri, Katsuya Hayano | 2020-04-28 |
| 10394118 | Photomask and methods for manufacturing and correcting photomask | Takaharu Nagai, Hiroshi Mohri, Katsuya Hayano | 2019-08-27 |
| 10048580 | Photomask and methods for manufacturing and correcting photomask | Takaharu Nagai, Hiroshi Mohri, Katsuya Hayano | 2018-08-14 |
| 9519211 | Photomask and methods for manufacturing and correcting photomask | Takaharu Nagai, Hiroshi Mohri, Katsuya Hayano | 2016-12-13 |
| 8974987 | Photomask and methods for manufacturing and correcting photomask | Takaharu Nagai, Hideyoshi Takamizawa, Hiroshi Mohri, Katsuya Hayano | 2015-03-10 |
| 7968255 | Photomask | Yasuhisa Kitahata, Takashi Adachi, Nobuhito Toyama, Yuichi Inazuki, Takanori Sutou | 2011-06-28 |
| 7287240 | Designing method and device for phase shift mask | Nobuhito Toyama, Kei Mesuda | 2007-10-23 |
| 6740455 | Photomask | Kenji Noguchi, Toshiaki Motonaga, Hiro-o Nakagawa, Toshifumi Yokoyama, Takashi Tominaga +3 more | 2004-05-25 |