Yozo Iketani

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
ISDN interface circuit and system using the same
- Patent number 5,311,518
- Issue date May 10, 1994
- Fujitsu Limited
- Kenji Takato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring trip circuit for subscriber telephone
- Patent number 4,995,111
- Issue date Feb 19, 1991
- Fujitsu Limited
- Toshiro Tojo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminating circuit in a battery feed circuit of an electronic exch...
- Patent number 4,982,422
- Issue date Jan 1, 1991
- Fujitsu Limited
- Shin-ichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriber line interface circuit
- Patent number 4,827,505
- Issue date May 2, 1989
- Fujitsu Limited
- Kenji Takato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE