Shigeki Monma

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power semiconductor switching apparatus with heat sinks
- Patent number 5,006,921
- Issue date Apr 9, 1991
- Kabushiki Kaisha Toshiba
- Masaru Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge apparatus having hollow cathode
- Patent number 4,339,691
- Issue date Jul 13, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Osami Morimiya
- H01 - BASIC ELECTRIC ELEMENTS