Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813748 | Group communications switching method, subscriber terminal and server used for the method | Takahito Suzuki, Saiki Kawamura, Naoyuki Kakizaki, Yayoi Itoh, Kiyomi Hasesaka +6 more | 2010-10-12 |