Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5933605 | Apparatus for filtering multicast messages transmitted between subnetworks based upon the message content | Shigeki Kawano, Katsumi Kawano, Hiroshi Wataya | 1999-08-03 |
| 5699521 | Communication system and communication method | Koichiro Sakuraba, Kouji Kamoshida, Yoshiaki Adachi | 1997-12-16 |