Norio Yoshikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Deflection coil
- Patent number 4,243,965
- Issue date Jan 6, 1981
- Denki Onkyo Co., Ltd.
- Norio Yoshikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflection coil
- Patent number 4,181,908
- Issue date Jan 1, 1980
- Denki Onkyo Co., Ltd.
- Norio Yoshikawa
- H01 - BASIC ELECTRIC ELEMENTS