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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Nakamura; Shigeki
Address:
Osaka, JP
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
7899420 Wireless transmission device in which transmission output is controlled in feedback control March 1, 2011
A wireless transmission device includes a RF power amplification section for amplifying a transmit RF signal and outputting the amplified signal to a transmission antenna, a detector section, and a control section. The RF power amplification section includes a plurality of stages of
7683712 Wireless frequency power amplifier, semiconductor device, and wireless frequency power amplifica March 23, 2010
A differential amplifier circuit is connected to the input node and the output node of the final amplification stage through detection circuits. The signal level difference output from the differential amplifier circuit does not change even if the input power varies. Because a change
7576612 Power amplifier August 18, 2009
The present invention provides a power amplifier that includes the following: an RF operation transistor 3 having a base to which an RF signals is inputted, an emitter connected to the ground, and a collector connected to a power supply and a terminal for outputting an RF signal; a c
4358474 Method for electric recording November 9, 1982
An electric recording material comprising(A) a semiconductive resin layer comprising a resin matrix and a conductivity-imparting agent dispersed therein and having a surface resistance of more than 1 ohm to less than 10.sup.5 ohms,(B) a metal-containing resin layer comprising a resin matrix
4308314 Electric recording material December 29, 1981
An electric recording material comprising(A) a semiconductive resin layer comprising a resin matrix and a conductivity-imparting agent dispersed therein and having a surface resistance of more than 1 ohm to less than 10.sup.5 ohms,(B) a metal-containing resin layer comprising a resin matrix
4105449 Extruded electrophotographic recording material August 8, 1978
An electrophotographic recording material formed by extrusion, which comprises (A) 100 parts by weight of a blended composition of olefins having high and low melt indices in a specified weight ratio, (B) 0.025 to 40 parts by weight of a specified light-sensitizing organic compound, (C)










 
 
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