Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212124 | Portable information device | Hiroshi Yoshigi | 2007-05-01 |
| 6972662 | RFID (radio frequency identification) and IC card | Miki Yuyama, Hiroshi Yoshigi, Tadashi Oonishi, Kazuki Watanabe | 2005-12-06 |
| 6373708 | Contactless IC card | Kimiaki Ando, Kazuo Kaneko | 2002-04-16 |
| 6121623 | Parallel radiation detector | Isao Ochiai, Kimio Kanda | 2000-09-19 |
| 5999409 | Contactless IC card | Kimiaki Ando, Kazuo Kaneko | 1999-12-07 |
| 5594680 | Noise reduced contactless parallel data transfer device and method thereof | Masatoshi Ohtake, Takeshi Tottori, Kazunari Nakagawa, Nobuo Hamamoto, Yutaka Kinebuti | 1997-01-14 |