Kazuo Sunahara

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxide-coated cathode for electron tube
- Patent number 4,313,854
- Issue date Feb 2, 1982
- Hitachi, Ltd.
- Kazuo Sunahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for vapor depositing a cerium oxide film
- Patent number 4,242,373
- Issue date Dec 30, 1980
- Hitachi, Ltd.
- Kiyoshi Watanabe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Oxide-coated cathodes for electron tubes
- Patent number 4,215,180
- Issue date Jul 29, 1980
- Hitachi, Ltd.
- Akira Misumi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Image display device
- Publication number 20070273269
- Publication date Nov 29, 2007
- Yuichi Sukigara
- H01 - BASIC ELECTRIC ELEMENTS