Kotaro Aoki

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection tube having different neck diameters
- Patent number 7,075,221
- Issue date Jul 11, 2006
- Hitachi, Ltd.
- Kouichi Saitou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projection tube having different neck diameters
- Patent number 6,998,767
- Issue date Feb 14, 2006
- Hitachi Ltd.
- Kouichi Saitou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projection tube having different neck diameters
- Patent number 6,847,159
- Issue date Jan 25, 2005
- Hitachi Ltd.
- Nobuyuki Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projection type cathode ray tube device employing a cathode ray tub...
- Patent number 6,750,602
- Issue date Jun 15, 2004
- Hitachi Ltd.
- Katsumi Hirota
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Projection tube having different neck diameters
- Publication number 20040027043
- Publication date Feb 12, 2004
- Kouichi Saitou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Projection tube having different neck diameters
- Publication number 20030038583
- Publication date Feb 27, 2003
- Nobuyuki Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Projection type cathode ray tube device employing a cathode ray tub...
- Publication number 20030030361
- Publication date Feb 13, 2003
- Katsumi Hirota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Projection tube having different neck diameters
- Publication number 20020180335
- Publication date Dec 5, 2002
- Kouichi Saitou
- H01 - BASIC ELECTRIC ELEMENTS