Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7042051 | Semiconductor device including impurity layer having a plurality of impurity peaks formed beneath the channel region | Fumio Ootsuka, Takahiro Onai, Kazuhiro Ohnishi | 2006-05-09 |
| 6806128 | Semiconductor integrated circuit device and a method of manufacturing the same | Fumio Ootsuka, Katsuhiko Ichinose | 2004-10-19 |
| 6524903 | Method of manufacturing a semiconductor device having two peaks in an impurity concentration distribution | Fumio Ootsuka, Takahiro Onai, Kazuhiro Ohnishi | 2003-02-25 |