Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5727048 | Multimedia communication system with a multimedia server to terminals via a public network | Shuuichi Hiroshima, Ayako Katsuyama, Hajime Kamata, Masayuki Ozawa | 1998-03-10 |
| 5408261 | Method and apparatus for controlling image communication between a plurality of terminals and an exchange | Hajime Kamata, Masayuki Ozawa | 1995-04-18 |