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Kumagaya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic core for saturable reactor, magnetic amplifier type multi-...
Patent number
6,504,737
Issue date
Jan 7, 2003
Hitachi Metals, Ltd.
Shin Nakajima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic core for saturable reactor, magnetic amplifier type multi-...
Patent number
6,270,592
Issue date
Aug 7, 2001
Hitachi Metals, Ltd.
Shin Nakajima
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
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
Patents Applications
last 30 patents
Information
Patent Application
Magnetic core for saturable reactor, magnetic amplifier type multi-...
Publication number
20010032685
Publication date
Oct 25, 2001
Shin Nakajima
H01 - BASIC ELECTRIC ELEMENTS