Tohru Matsuoka

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Patents Grantslast 30 patents

Information Patent Grant
Reflector-provided dipole antenna
- Patent number 6,008,773
- Issue date Dec 28, 1999
- Nihon Dengyo Kosaku Co., Ltd.
- Tohru Matsuoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phase shifting device with rotatable cylindrical case having driver...
- Patent number 5,877,660
- Issue date Mar 2, 1999
- Nihon Dengyo Kosaku Co., Ltd.
- Yoshio Ebine
- H01 - BASIC ELECTRIC ELEMENTS