Takuji Mukaemachi

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Yokohama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Subscriber line testing system
- Patent number 4,076,971
- Issue date Feb 28, 1978
- Hitachi, Ltd.
- Takuji Mukaemachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech path system
- Patent number 4,075,431
- Issue date Feb 21, 1978
- Hitachi, Ltd.
- Takuji Mukaemachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cross-point switch matrix and multistage switching network using th...
- Patent number 4,068,215
- Issue date Jan 10, 1978
- Hitachi, Ltd.
- Takuji Mukaemachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cross-point switch matrix and multiswitching network using the same
- Patent number 4,024,352
- Issue date May 17, 1977
- Hitachi, Ltd.
- Takuji Mukaemachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE