Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813748 | Group communications switching method, subscriber terminal and server used for the method | Takahito Suzuki, Saiki Kawamura, Yayoi Itoh, Kiyomi Hasesaka, Hiroyasu Taguchi +6 more | 2010-10-12 |
| 6229883 | Apparatus for providing caller ID services in internet telephony system | Katsuhisa Sato | 2001-05-08 |