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Shigeru Takeda
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Tottori, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Millimeter wave band nonreciprocal device
Patent number
8,335,037
Issue date
Dec 18, 2012
The University of Tokyo
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-reciprocal element with three central conductors and communicat...
Patent number
7,365,616
Issue date
Apr 29, 2008
Hitachi Metals, Ltd.
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Two-port isolator and method for evaluating it
Patent number
6,940,360
Issue date
Sep 6, 2005
Hitchi Metals, Ltd.
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Concentrated constant irreciprocal device
Patent number
6,696,901
Issue date
Feb 24, 2004
Hitachi Metals, Ltd.
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for dynamically collecting and editing management informa...
Patent number
5,535,388
Issue date
Jul 9, 1996
Hitachi, Ltd.
Shigeru Takeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetostatic microwave device having large impedance change at res...
Patent number
5,512,868
Issue date
Apr 30, 1996
Hitachi Metals, Ltd.
Shigeru Takeda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Magnetostatic wave device with minimized higher order mode excitations
Patent number
5,168,254
Issue date
Dec 1, 1992
Hitachi Metals, Ltd.
Kohei Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetostatic wave device
Patent number
5,053,734
Issue date
Oct 1, 1991
Hitachi Metals, Ltd.
Yasuhide Murakami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Faraday rotator device and optical switch containing same
Patent number
5,048,937
Issue date
Sep 17, 1991
Hitachi Metals, Ltd.
Shigeru Takeda
G02 - OPTICS
Information
Patent Grant
Magnetostatic wave device and chip therefor
Patent number
4,992,760
Issue date
Feb 12, 1991
Hitachi Metals, Ltd.
Shigeru Takeda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Magnetostatic wave band-pass-filter
Patent number
4,983,937
Issue date
Jan 8, 1991
Hitachi, Ltd.
Yasuaki Kinoshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resonance absorption-type microstrip line isolator
Patent number
4,943,790
Issue date
Jul 24, 1990
Hitachi Metals, Ltd.
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for suppressing backward propagation along an optical pat...
Patent number
4,865,429
Issue date
Sep 12, 1989
Hitachi Metals, Ltd.
Shigeru Takeda
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
MILLIMETER WAVE BAND NONRECIPROCAL DEVICE
Publication number
20090261919
Publication date
Oct 22, 2009
Keycom Corporation
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Non-reciprocal element with three central conductors and communicat...
Publication number
20050083146
Publication date
Apr 21, 2005
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Two-port isolator and method for evaluating it
Publication number
20020171504
Publication date
Nov 21, 2002
Shigeru Takeda
H01 - BASIC ELECTRIC ELEMENTS