Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914953 | Photomask and pattern formation method using the same | Akio Misaka, Masaru Sasago | 2011-03-29 |
| 6492665 | Semiconductor device | Susumu Akamatsu, Toshitaka Hibi, Takehiko Ueda, Yoshiaki Kato, Tatsuya Obata +1 more | 2002-12-10 |
| 6180472 | Method for fabricating semiconductor device | Susumu Akamatsu, Toshitaka Hibi, Takehiko Ueda, Yoshiaki Kato, Tatsuya Obata +1 more | 2001-01-30 |