Tsutomu Tojyo

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Mobara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cathode ray tube
- Patent number 6,353,281
- Issue date Mar 5, 2002
- Hitachi, Ltd.
- Mitsuhiro Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube with coma reduced
- Patent number 6,337,534
- Issue date Jan 8, 2002
- Hitachi, Ltd.
- Masayoshi Misono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube
- Patent number 6,232,711
- Issue date May 15, 2001
- Hitachi, Ltd.
- Mitsuhiro Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube with coma reduced
- Patent number 6,157,122
- Issue date Dec 5, 2000
- Hitachi, Ltd.
- Masayoshi Misono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube with coma reduced
- Patent number 5,912,530
- Issue date Jun 15, 1999
- Hitachi, Ltd.
- Masayoshi Misono
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Cathode ray tube
- Publication number 20010011865
- Publication date Aug 9, 2001
- Mitsuhiro Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS