Setsuo Takahashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Path changing system and method for use in ATM communication apparatus
- Patent number 5,926,456
- Issue date Jul 20, 1999
- Hitachi, Ltd.
- Masataka Takano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Looped bus system for connecting plural nodes or plural circuit cards
- Patent number 5,657,321
- Issue date Aug 12, 1997
- Hitachi, Ltd.
- Junichirou Yanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Path changing system and method for use in ATM communication apparatus
- Patent number 5,600,630
- Issue date Feb 4, 1997
- Hitachi, Ltd.
- Masataka Takano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Looped bus system for connecting plural nodes or plural circuit cards
- Patent number 5,487,062
- Issue date Jan 23, 1996
- Hitachi, Ltd.
- Junichirou Yanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switching system and subscriber's circuit controlling apparatus
- Patent number 5,404,389
- Issue date Apr 4, 1995
- Hitachi, Ltd.
- Yasushi Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE