Tsutomu Arai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cathode-ray tube and cathode-ray tube manufacturing method
- Patent number 6,858,977
- Issue date Feb 22, 2005
- Sony Corporation
- Tsuneharu Nomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply circuit maintaining electrical isolation
- Patent number 6,188,584
- Issue date Feb 13, 2001
- Sony Corporation
- Tsutomu Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television receiver with memory recall of television broadcast chan...
- Patent number 5,083,205
- Issue date Jan 21, 1992
- Sony Corporation
- Tsutomu Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Cathode-ray tube and cathode-ray tube manufacturing method
- Publication number 20030015954
- Publication date Jan 23, 2003
- Tsuneharu Nomura
- H01 - BASIC ELECTRIC ELEMENTS