Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7714269 | Light receiving circuit | Kei Yoshikawa, Ryusuke Shibata, Tokio Sawataishi, Koichi Iguchi | 2010-05-11 |
| 6661252 | Matrix switch device high in isolation between terminals thereof, small in size, and low in manufacturing cost | Kazuhiko Onda, Junichi Somei | 2003-12-09 |
| 6467666 | Method of producing a semiconductor device | Seiji Ichikawa, Tatsuo Tokue, Fumie Ogihara, Taku Sato | 2002-10-22 |