Yoshiki Sano

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Called party response detecting apparatus
- Patent number 5,287,405
- Issue date Feb 15, 1994
- Tamura Electric Works, Ltd.
- Yoshiki Sano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Called party response detecting apparatus
- Patent number 4,811,386
- Issue date Mar 7, 1989
- Tamura Electric Works, Ltd.
- Yoshiki Sano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Public telephone set with internal charge processing
- Patent number 4,768,223
- Issue date Aug 30, 1988
- Tamura Electric Works, Ltd.
- Toshiharu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE