Hiroshi Sekino

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Isehara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Packet switching method and apparatus thereof
- Patent number 7,170,885
- Issue date Jan 30, 2007
- Hitachi, Ltd.
- Nagayuki Hirota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet relaying apparatus and high speed multicast system
- Patent number 6,778,532
- Issue date Aug 17, 2004
- Hitachi, Ltd.
- Shinichi Akahane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet switching method and apparatus thereof
- Patent number 6,542,496
- Issue date Apr 1, 2003
- Hitachi, Ltd.
- Nagayuki Hirota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication network system
- Patent number 6,137,781
- Issue date Oct 24, 2000
- Hitachi, Ltd.
- Toshiyasu Goto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Packet switching method and apparatus thereof
- Publication number 20030123429
- Publication date Jul 3, 2003
- Hitachi, Ltd.
- Nagayuki Hirota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE