Kazuo Murayama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker apparatus
- Patent number 7,171,015
- Issue date Jan 30, 2007
- Sony Corporation
- Kazuo Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Changeover circuit in tape recorder
- Patent number 6,185,060
- Issue date Feb 6, 2001
- Sony Corporation
- Kazuyuki Suda
- G11 - INFORMATION STORAGE
Information Patent Grant
Sound quality adjustment circuit
- Patent number 6,141,425
- Issue date Oct 31, 2000
- Sony Corporation
- Kazuo Murayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Combined detector circuit for detecting a tape end or unrecorded ar...
- Patent number 4,636,878
- Issue date Jan 13, 1987
- Sony Corporation
- Kazuo Murayama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Speaker apparatus
- Publication number 20050175212
- Publication date Aug 11, 2005
- Kazuo Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE