Isao Yokoyama

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Akita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Deflection apparatus for cathode ray tube
- Patent number 4,841,267
- Issue date Jun 20, 1989
- TDK Corporation
- Seiji Watabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impedance element mounted on a pc board
- Patent number 4,758,808
- Issue date Jul 19, 1988
- TDK Corporation
- Yoshinori Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic deflection-distortion corrector
- Patent number 4,714,908
- Issue date Dec 22, 1987
- TDK Corporation
- Seiji Watabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Combined dipole and ferrite antenna
- Patent number 4,407,000
- Issue date Sep 27, 1983
- TDK Electronics Co., Ltd.
- Masanori Sasaki
- H01 - BASIC ELECTRIC ELEMENTS