Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8600654 | Data structure of route guidance database | Kiyonari Kishikawa, Eiji Teshima, Masatoshi Aramaki, Hideyuki Shimozuru, Masaya Ada +3 more | 2013-12-03 |
| 7518517 | Verification method of goods using IC tags and equipment using the method | Hiroshi Sako, Tatsuhiko Kagehiro, Hiroto Nagayoshi | 2009-04-14 |
| 7199714 | Verification method of goods using IC tags and equipment using the method | Hiroshi Sako, Tatsuhiko Kagehiro, Hiroto Nagayoshi | 2007-04-03 |
| 6931379 | IC card system and IC card | Akiko Sato, Yusuke Mishina, Masaru Ohki, Yutaka Matsui | 2005-08-16 |