Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8635472 | Semiconductor integrated circuit device and IC card using the same | Kazuki Watanabe | 2014-01-21 |
| 8301915 | Semiconductor integrated circuit device and IC card using the same | Kazuki Watanabe | 2012-10-30 |
| 5053650 | Monolithic semiconductor integrated circuit device having current adjusting circuit | Yuichi Ohkubo, Satoru Sekiguchi, Toshihiko Watanabe | 1991-10-01 |