Hidetoshi Kato

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Ichinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal ring preventing implosion of cathode-ray tube
- Patent number 4,641,196
- Issue date Feb 3, 1987
- Sony Corporation
- Kazuhiko Musha
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube and a ventilator used in its baking process
- Patent number 4,217,015
- Issue date Aug 12, 1980
- Sony Corporation
- Shigeo Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS