Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7688957 | Information service system, information service method, and information service program | — | 2010-03-30 |
| 7193531 | Method for providing security | Shigeru Yamada, Yuji Kijima | 2007-03-20 |
| 7107217 | Voice interactive system and voice interactive method | Satoru Watanabe, Takahiro Kii, Yuji Kijima | 2006-09-12 |