Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422642 | Message system for conducting message | — | 2013-04-16 |
| 8244797 | Information supplementing device, system, method and program | Yoshiyuki Koseki, Katsuhiro Ochiai, Masahiro Tabuchi | 2012-08-14 |