Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8311887 | Methods, devices and systems for real-time instant presence with advertisement (RIPA) | I-wen TSOU, Hitoshi Matsumoto | 2012-11-13 |
| 7409382 | Information processing system, terminal device, method and medium | — | 2008-08-05 |
| 6578199 | Automatic tracking system and method for distributable software | I-wen TSOU, Hirokatsu Araki, Tsuyoshi Hirao, Tadashi Takahashi | 2003-06-10 |