Tokuhiro Niwa

Person

Ebina-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Network system having function of changing route upon failure
- Patent number 7,243,258
- Issue date Jul 10, 2007
- Hitachi, Ltd.
- Shinya Ichinohe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet routing apparatus having label switching function
- Patent number 7,031,307
- Issue date Apr 18, 2006
- Hitachi, Ltd.
- Kazutomo Kon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system having function of changing route upon failure
- Patent number 6,647,509
- Issue date Nov 11, 2003
- Hitachi, Ltd.
- Shinya Ichinohe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system having function of changing route upon failure
- Patent number 6,505,311
- Issue date Jan 7, 2003
- Hitachi, Ltd.
- Shinya Ichinohe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM switch congestion control method of connection setup requests a...
- Patent number 6,212,164
- Issue date Apr 3, 2001
- Hitachi, Ltd.
- Toshihiko Murakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system having function of changing route upon failure
- Patent number 6,148,411
- Issue date Nov 14, 2000
- Hitachi, Ltd.
- Shinya Ichinohe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system having function of changing route upon failure
- Patent number 6,032,266
- Issue date Feb 29, 2000
- Hitachi, Ltd.
- Shinya Ichinohe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network synchronization control system and control method
- Patent number 5,327,425
- Issue date Jul 5, 1994
- Hitachi, Ltd.
- Tokuhiro Niwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Buffer management system
- Patent number 5,046,039
- Issue date Sep 3, 1991
- Hitachi, Ltd.
- Atsushi Ugajin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Loop back control system
- Patent number 4,769,807
- Issue date Sep 6, 1988
- Hitachi, Ltd.
- Tokuhiro Niwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Network system having function of changing route upon failure
- Publication number 20050076231
- Publication date Apr 7, 2005
- Hitachi, Ltd.
- Shinya Ichinohe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network system having function of changing route upon failure
- Publication number 20030093559
- Publication date May 15, 2003
- Hitachi, Ltd.
- Shinya Ichinohe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet routing apparatus having label switching function
- Publication number 20020194368
- Publication date Dec 19, 2002
- Hitachi, Ltd
- Kazutomo Kon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tokuhiro Niwa

Person

Patents Grantslast 30 patents

Network system having function of changing route upon failure

Packet routing apparatus having label switching function

Network system having function of changing route upon failure

Network system having function of changing route upon failure

ATM switch congestion control method of connection setup requests a...

Network system having function of changing route upon failure

Network system having function of changing route upon failure

Network synchronization control system and control method

Buffer management system

Loop back control system

Patents Applicationslast 30 patents

Network system having function of changing route upon failure

Network system having function of changing route upon failure

Packet routing apparatus having label switching function