Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8996385 | Conversation system and conversation software | Mikio Nakano, Hiroshi Tsujino, Kazunori Komatani, Hiroshi Okuno | 2015-03-31 |
| 7711569 | Chat information service system | Atsushi Hoshino | 2010-05-04 |