Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6981021 | Position-link chat system, position-linked chat method, and computer product | Tetsuo Takakura | 2005-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6981021 | Position-link chat system, position-linked chat method, and computer product | Tetsuo Takakura | 2005-12-27 |