Arai; Hiroyuki

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Tokyo, JP

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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
Double-Channel common antenna
- Patent number 5,548,297
- Issue date Aug 20, 1996
- Arai; Hiroyuki
- Hiroyuki Arai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Combined capacitive loaded monopole and notch array with slits for...
- Patent number 5,402,136
- Issue date Mar 28, 1995
- Goto; Naohisa
- Naohisa Goto
- H01 - BASIC ELECTRIC ELEMENTS