Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8483379 | Telephone control apparatus and telephone system including telephone control apparatus | Jun Satou | 2013-07-09 |
| 7480257 | IP telephone terminal searching for a destination with a telephone number to set up a call connection over an IP network | Yoshinori Sekine | 2009-01-20 |
| 7233995 | Method and device for connecting networks | Kohei Yamaguchi, Yasubumi Chimura | 2007-06-19 |