Isami Nomoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker diaphragm made of a molded, sintered ceramic body
- Patent number 4,550,797
- Issue date Nov 5, 1985
- Victor Company of Japan
- Kiyoaki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable-directivity microphone device
- Patent number 4,308,425
- Issue date Dec 29, 1981
- Victor Company of Japan, Ltd.
- Chikahide Momose
- H04 - ELECTRIC COMMUNICATION TECHNIQUE