Yoichi Murakami

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lightning arrester
- Patent number 4,389,693
- Issue date Jun 21, 1983
- Tokyo Shibaura Denki Kabushiki Kaisha
- Satoru Yanabu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for detecting foreign matters in gas sealed el...
- Patent number 4,231,258
- Issue date Nov 4, 1980
- Tokyo Shibaura Denki Kabushiki Kaisha
- Shinichi Menju
- G01 - MEASURING TESTING