Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831378 | Semiconductor integrated circuit device and contactless electronic device | Kazuki Watanabe, Norihisa Yamamoto, Hajime Kinota, Keiji Kamei | 2004-12-14 |
| 6686750 | Semiconductor integrated circuit device and IC card | Kazuki Watanabe, Kenji Nagai, Tatsuya Nishihara | 2004-02-03 |