Yoshihito Sako

Person

Sagamihara-shi, JP

People

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
Network relaying apparatus and network relaying method capable of h...
- Patent number 7,167,474
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Kazuo Sugai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network repeater and network next transfer desitination searching m...
- Patent number 6,874,033
- Issue date Mar 29, 2005
- Hitachi, Ltd.
- Kazuo Sugai
- 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
Network relaying apparatus and network relaying method
- Patent number 6,683,885
- Issue date Jan 27, 2004
- Hitachi, Ltd.
- Kazuo Sugai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network relaying apparatus and network relaying method capable of h...
- Patent number 6,671,277
- Issue date Dec 30, 2003
- Hitachi, Ltd.
- Kazuo Sugai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network relaying apparatus and network relaying method capable of h...
- Patent number 6,658,003
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Kazuo Sugai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network relaying apparatus and network relaying method capable of h...
- Patent number 6,650,642
- Issue date Nov 18, 2003
- Hirachi, Ltd.
- Kazuo Sugai
- 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
Method and apparatus for testing station address in network
- Patent number 4,984,233
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Susumu Nakayashiki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Network relaying apparatus and network relaying method capable of h...
- Publication number 20040085962
- Publication date May 6, 2004
- Hitachi, Ltd.
- Kazuo Sugai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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

Yoshihito Sako

Person

Patents Grantslast 30 patents

Packet switching method and apparatus thereof

Network relaying apparatus and network relaying method capable of h...

Network repeater and network next transfer desitination searching m...

Packet relaying apparatus and high speed multicast system

Network relaying apparatus and network relaying method

Network relaying apparatus and network relaying method capable of h...

Network relaying apparatus and network relaying method capable of h...

Network relaying apparatus and network relaying method capable of h...

Packet switching method and apparatus thereof

Method and apparatus for testing station address in network

Patents Applicationslast 30 patents

Network relaying apparatus and network relaying method capable of h...

Packet switching method and apparatus thereof