Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953821 | Presence information providing system, and method and server thereof | Yoshihiro Ono, Naoko Ito | 2011-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953821 | Presence information providing system, and method and server thereof | Yoshihiro Ono, Naoko Ito | 2011-05-31 |