Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642352 | LAN connecting device and LAN connecting system | Toshihiro Ishida | 1997-06-24 |
| 5590183 | Keep call back device | Norihiro Yoneda, Reiko Furuya, Kiyotaka Shikata | 1996-12-31 |
| 5588003 | LAN-WAN-LAN communication method, and apparatus for LAN-WAN connection | Kiyotaka Shikata, Osamu Sekihata | 1996-12-24 |
| 5471203 | Admission managing system | Michiyuki Sasaki, Kenji Suzuki, Kenji Morosawa, Tooru Kadonaga | 1995-11-28 |
| 5168496 | System for internetwork communication between local areas networks | Shigehiro Hayashi | 1992-12-01 |