Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961351 | Communication device and transit device having a call-hold function and a method for controlling the function | Satoru Fukushima, Yasuhiro Tsuchiya, Yasutaka Iwasaki | 2005-11-01 |