Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946306 | Method of manufacturing a semiconductor device and a fabrication apparatus for a semiconductor device | Akio Ishizu, Kazutoshi Takashima, Shiro Oba, Yoshihiko Kobayashi, Tsutomu Ida +4 more | 2005-09-20 |
| 6852553 | Semiconductor device fabrication method and semiconductor device fabrication apparatus | Akio Ishizu, Kazutoshi Takashima, Shiro Oba, Yoshihiko Kobayashi, Tsutomu Ida +4 more | 2005-02-08 |
| 6441484 | Semiconductor device having switching elements around a central control circuit | Kenji Koyama, Akio Mikami, Mamoru Iizuka | 2002-08-27 |