Masayoshi Ito

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker cabinet
- Patent number 5,284,222
- Issue date Feb 8, 1994
- Sony Corporation
- Masayoshi Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for fixturing a cathode ray tube
- Patent number 4,883,439
- Issue date Nov 28, 1989
- Sony Corporation
- Tatsurou Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS