Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919260 | Method of manufacturing a substrate having shallow trench isolation | Kaori Umezawa, Norihiko Tsuchiya, Yoshiaki Matsushita, Atsushi Yagishita, Tsunehiro KITA | 2005-07-19 |
| 5994756 | Substrate having shallow trench isolation | Kaori Umezawa, Norihiko Tsuchiya, Yoshiaki Matsushita, Atsushi Yagishita, Tsunehiro KITA | 1999-11-30 |
| 5854133 | Method for manufacturing a semiconductor device | Takayo Hachiya, Moto Yabuki | 1998-12-29 |