Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701412 | Telecommunications service control method in intelligent network | Yukiko Takeda, Kazuko Wakayama | 1997-12-23 |
| 5612959 | Multicast communications method | Akihiko Takase, Noboru Endo, Ryoji Takeyari, Yusuke Mishina, Toshiya Oouchi +1 more | 1997-03-18 |