Riichi Kondo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cathode for an electron tube
- Patent number 6,091,189
- Issue date Jul 18, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Takashi Shinjo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Jig for aligning/fixing oxide cathode and method of fabrication oxi...
- Patent number 6,062,934
- Issue date May 16, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS