Akihiko Yoshida

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Paint for heat absorbing film, heat absorbing film and color CRT
- Patent number 6,559,590
- Issue date May 6, 2003
- Sony Corporation
- Masatoshi Mori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cathode-ray tube with fixing springs for color selection electrode
- Patent number 6,057,641
- Issue date May 2, 2000
- Sony Corporation
- Akihiko Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of magnetically processing color cathode-ray tube
- Patent number 5,759,077
- Issue date Jun 2, 1998
- Sony Corporation
- Akihiko Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of degaussing cathode ray tube
- Patent number 5,754,007
- Issue date May 19, 1998
- Sony Corporation
- Akihiko Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE