Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427065 | Power transmission system, IC card and information communication system using IC card | Takashi Suga, Yoshihiko Hayashi, Ryouzou Yoshino | 2002-07-30 |
| 6420883 | Semiconductor integrated circuit device and IC card | Kazuki Watanabe, Ryouzou Yoshino, Tatsuya Nishihara | 2002-07-16 |
| 6385119 | Internal supply voltage generating cicuit in a semiconductor memory device and method for controlling the same | Isamu Kobayashi, Yoshiharu Kato | 2002-05-07 |