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Hatakeyama; Kenichi
Tokyo, JP
No. of patents:

Patent Number Title Of Patent Date Issued
5523548 Electromagnetic wave heater having a cone-shaped container whose tapered portion is pointed and June 4, 1996
An electromagnetic wave heater comprises an electromagnetic wave generator a wave guide being connected to the generator for guiding the generated electromagnetic wave to be propagated in a uniform direction, at least one container being provided in the wave guide for accommodating an ob
5300879 Bidimensional electromagnetic emission level monitoring equipment April 5, 1994
Bidimensional electromagnetic emission level monitoring equipment for detecting the electric fields or the magnetic fields of RF (Radio Frequency) emissions from equipment under test by moving an electromagnetic probe bidimensionally. The measuring frequency, the scanning range of th
5179381 Electromagnetic wave absorber for VHF to UHF band January 12, 1993
An electromagnetic wave absorber available for a VHF to UHF band is implemented by a conductive film, a magnetic film laminated on the conductive film and back-plated with a metal film, and the magnetic film is formed from a resin film containing ferrite powder equal to or greater th
5160806 Electromagnetic shielding member and electromagnetic shielding case November 3, 1992
A shielding member includes magnetic and conductive members. The magnetic and conductive members are alternately arranged. At least one of the conductive members may be replaced with an elastic conductive electromagnetic shielding member.
5081455 Electromagnetic wave absorber January 14, 1992
For reduction in occupation space without sacrifice of the responsible broad bandwidth, an electromagnetic wave absorber for electromagnetic waves is provided with an absorbing sheet formed of a non-woven fabric containing conductive fibers mixed with insulative fibers, and each of the
4538151 Electro-magnetic wave absorbing material August 27, 1985
An electro-magnetic wave absorbing member comprises a mixture of short fibers of metal or alloy having a high electroconductivity, a length of from 0.1 mm to 50 mm and a length to diameter ratio of larger than 10, ferrite and a high molecular weight synthetic resin. In a modification a

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