Toshihiro Harada

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cathode ray tube having an electron gun constructed for ready refoc...
- Patent number 4,786,845
- Issue date Nov 22, 1988
- Iwatsu Electric Co., Ltd.
- Takefumi Kato
- H01 - BASIC ELECTRIC ELEMENTS