Akihito Sudo

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Patents Grantslast 30 patents

Information Patent Grant
Cathode ray tube and method for punched electrode profile with pred...
- Patent number 6,541,903
- Issue date Apr 1, 2003
- Hitachi, Ltd.
- Ken Kagabu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having an improved electrode assembly
- Patent number 6,476,543
- Issue date Nov 5, 2002
- Hitachi, Ltd.
- Takeshi Mera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having improved main lens
- Patent number 6,417,610
- Issue date Jul 9, 2002
- Hitachi, Ltd.
- Akihito Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having improved main lens electrodes
- Patent number 6,081,068
- Issue date Jun 27, 2000
- Hitachi, Ltd.
- Akihito Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having correction plate electrodes mounted i...
- Patent number 5,886,462
- Issue date Mar 23, 1999
- Hitachi, Ltd.
- Akihito Sudo
- H01 - BASIC ELECTRIC ELEMENTS