Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341127 | Node device and method for controlling label switching path set up in inter-connected networks | Takeshi Saito, Yoshiaki Takabatake, Mikio Hashimoto, Hisako Tanaka | 2002-01-22 |
| 6336129 | Packet transfer method and node device using resource reservation or priority transfer control without requiring virtual connection merging | Kotaro Ise | 2002-01-01 |
| 6304577 | Node apparatus and method of using a virtual connection to transmit a packet | Kenichi Nagami, Hisako Tanaka | 2001-10-16 |
| 6188689 | Network node and method of frame transfer | Katsumi Yamato, Shigeo Matsuzawa | 2001-02-13 |
| 6185213 | Packet transfer control method and node device using plurality of dedicated cut-through paths | Hisako Tanaka, Kenichi Nagami | 2001-02-06 |
| 6167051 | Network node and method of packet transfer | Kenichi Nagami, Hisako Tanaka | 2000-12-26 |
| 6144661 | Network node apparatus and virtual connection control method for providing various service attributes in multicast communication | Takeshi Saito, Hisako Tanaka | 2000-11-07 |
| 6104713 | Router device and datagram transfer method for data communication network system | Kenichi Nagami | 2000-08-15 |
| 6094431 | Node device and network resource reservation method for data packet transfer using ATM networks | Katsumi Yamato | 2000-07-25 |
| 5930259 | Packet transmission node device realizing packet transfer scheme and control information transfer scheme using multiple virtual connections | Kenichi Nagami | 1999-07-27 |
| 5835710 | Network interconnection apparatus, network node apparatus, and packet transfer method for high speed, large capacity inter-network communication | Kenichi Nagami, Junko Ami, Takeshi Saito, Hiroshi Esaki | 1998-11-10 |
| 5822319 | Router device and datagram transfer method for data communication network system | Kenichi Nagami | 1998-10-13 |
| 5572523 | Method of controlling communication network incorporating virtual channels exchange nodes and virtual paths exchange nodes | Toshikazu Kodama | 1996-11-05 |
| 5453981 | Method of controlling communication network incorporating virtual channels exchange nodes and virtual paths exchange nodes | Toshikazu Kodama | 1995-09-26 |
| 5285442 | Traffic supervisory method and traffic supervisory apparatus | Kazuaki Iwamura | 1994-02-08 |
| 5267232 | Method of controlling data transmission in ATM network with cell loss priority level | Hiroshi Esaki, Toshikazu Kodama | 1993-11-30 |
| 5153877 | Packet network with communication resource allocation and call set up control of higher quality of service | Hiroshi Esaki, Kazuaki Iwamura | 1992-10-06 |
| 4984264 | Call admission control method and cell flow monitoring method in the same method | — | 1991-01-08 |