Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428534 | Information retrieval system and information retrieval method using network | Shinichi Ito, Taiki Kamiya, Yasuhiko Asahi, Taro Tokuhiro, Seiichi Yamaguchi | 2008-09-23 |
| 7346544 | Method for selling items using a network | Taro Tokuhiro, Seiichi Yamaguchi | 2008-03-18 |