Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7944338 | RFID tag, RFID reader/writer, RFID system, and processing method of RFID system | Hiroshi Yoshigi, Yoshiaki Yazawa, Kazuki Watanabe | 2011-05-17 |
| 7764090 | Semiconductor device having transmitter/receiver circuit between circuit blocks | Hiroki Yamashita | 2010-07-27 |
| 7649381 | Level conversion circuit | Hiroki Yamashita, Fumio Yuuki, Hisaaki Kanai, Keiichi Yamamoto | 2010-01-19 |
| 7276891 | Semiconductor integrated circuit device and a contactless electronic device | Kazuki Watanabe, Yoshiaki Yazawa | 2007-10-02 |
| 7250863 | Transponder and a sensing system using the transponder | Tadashi Oonishi, Kazuki Watanabe, Yoshiaki Yazawa, Yasushi Goto, Hiroshi Yoshigi | 2007-07-31 |