Masayoshi Furuyama

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Togane, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color cathode ray tube
- Patent number 6,657,372
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube
- Patent number 6,313,576
- Issue date Nov 6, 2001
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube with electrostatic quadrupole lens
- Patent number 6,051,919
- Issue date Apr 18, 2000
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube
- Patent number 5,739,630
- Issue date Apr 14, 1998
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color picture tube
- Patent number 5,015,910
- Issue date May 14, 1991
- Hitachi, Ltd.
- Yoshiaki Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color picture tube
- Patent number 4,851,741
- Issue date Jul 25, 1989
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Color cathode ray tube
- Publication number 20030006688
- Publication date Jan 9, 2003
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color cathode ray tube
- Publication number 20020024286
- Publication date Feb 28, 2002
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color cathode ray tube
- Publication number 20010035708
- Publication date Nov 1, 2001
- Yoshiaki Takahashi
- H01 - BASIC ELECTRIC ELEMENTS