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Koichi Takehara
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Nagaokakyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Radio frequency signal combining/sorting apparatus
Patent number
5,229,729
Issue date
Jul 20, 1993
Murata Manufacturing Co., Ltd.
Toshio Nishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Parallel connection multi-stage band-pass filter comprising resonat...
Patent number
5,184,096
Issue date
Feb 2, 1993
Murata Manufacturing Co., Ltd.
Kikuo Wakino
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Parallel connection multi-stage band-pass filter
Patent number
5,097,236
Issue date
Mar 17, 1992
Murata Manufacturing Co., Ltd.
Kikuo Wakino
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Radio frequency signal combining/sorting device
Patent number
4,902,991
Issue date
Feb 20, 1990
Murata Manufacturing Co., Ltd.
Youhei Ishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric resonator device
Patent number
4,623,857
Issue date
Nov 18, 1986
Murata Manufacturing Co., Ltd.
Toshio Nishikawa
H01 - BASIC ELECTRIC ELEMENTS