Yutaka Torii

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Yokohama, JP

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Patents Grantslast 30 patents

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Packet communication method, packet communication device and packet...
- Patent number 5,159,591
- Issue date Oct 27, 1992
- Hitachi, Ltd.
- Shinobu Gohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet congestion control method and packet switching equipment
- Patent number 5,090,011
- Issue date Feb 18, 1992
- Hitachi, Ltd.
- Isao Fukuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bit synchronization circuit
- Patent number 5,022,057
- Issue date Jun 4, 1991
- Hitachi, Ltd.
- Yumiko Nishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM switching system
- Patent number 4,956,839
- Issue date Sep 11, 1990
- Hitachi, Ltd.
- Yutaka Torii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE