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Akio TANAKA patents

Recent bibliographic sampling of Akio TANAKA patents listed/published in the public domain by the USPTO (USPTO Patent Application #,Title):

10/15/15 - 20150291905 - Sliding seal member
[Solving Means] There is provided a sliding seal member having a sliding surface which is slidable with other sliding member so as to seal a fluid by the sliding surface, comprising carbon fibers which are oriented substantially parallel to the sliding surface in a longitudinal direction of the carbon fibers...
Inventors: Hidekazu Takahashi, Masami Miyazawa, Akio Tanaka, Takashi Yanagisawa, Kimiyasu Sato (Eagle Burgmann Japan Co., Ltd.)

01/16/14 - 20140019311 - Store system, control method thereof, and non-transitory computer-readable medium storing a control program thereof
It comprises a front yard including a display unit that displays commodity images, a receiving unit that receives selection of a commodity desired by the purchaser from among commodities corresponding to the displayed commodity images, an association instruction unit that acquires purchaser identification information identifying the purchaser and makes an...
Inventors: Akio Tanaka (Nec Corporation)

10/20/11 - 20110255430 - Communication device, communication method, and program
There is provided a communication device including a communication state determination section which determines a communication state corresponding to a transmission rate demanded from a simulation engine based on a transmission rate and a state of communication at the transmission rate between a first communication state measurement device and a...
Inventors: Kensaku Wakuda, Shinji Kobayashi, Akio Tanaka, Shunsuke Miura, Yoshinobu Kure (Sony Corporation)

09/08/11 - 20110217960 - Wireless communication device, wireless communication system, controlling method for wireless communication device, and recording medium storing program
To improve operability by a user in a case of performing data transfer wirelessly in a near area, a near-field wireless communication circuit 10 included in a terminal 1A is able to switch between a normal mode to perform OFDM and a near mode with a relatively short communicable distance...
Inventors: Akio Tanaka, Hiromu Ishikawa

05/26/11 - 20110124286 - Wireless communication device, wireless communication system, controlling method for wireless communication device, and recording medium
A near-field wireless communication circuit 10 included in a terminal 1A can perform switching between a normal mode and a near mode which has a relatively short communicable distance and a relatively high transmission rate as compared with those in the normal mode. Further, a controller 13 executes preliminary processing...
Inventors: Akio Tanaka, Hiromu Ishikawa

02/03/11 - 20110026509 - Wireless communication apparatus
A wireless communication apparatus includes: a first local generator that generates a first local frequency arranged around a center frequency of a band group; a first down converter that receives a supply of a local signal from the first local generator; and a complex filter that quickly changes filter wave...
Inventors: Akio Tanaka

11/25/10 - 20100296592 - Signal processing circuit, signal processing method and recording medium
A signal processing circuit, a signal processing method and a recording medium suppressing occurrence of unnecessary waves are provided. A timing generation means which generates timing to select a signal of a predetermined local frequency in a set time period and not to select any signal of all local frequencies...
Inventors: Akio Tanaka, Kiyoshi Yanagisawa

09/09/10 - 20100226450 - Receiver and wireless communication system equipped with the same
A receiver includes: an amplifier that amplifies a received broadband signal up to a predetermined level; a first switch that switches an output signal from the amplifier; a signal generator that generates a signal for controlling a switching operation of the first switch; an integration capacitor that integrates an output...
Inventors: Akio Tanaka (Nec Corporation)

03/25/10 - 20100074303 - Wireless communication apparatus
A wireless communication apparatus comprises a local generator for generating a local signal having a frequency equal to the central frequency of the band group; a first down converter for down-converting a wireless signal in each of the bands into an IF signal; a hopping complex filter for removing an...
Inventors: Akio Tanaka (Nec Corporation)

01/28/10 - 20100023174 - Electric power system
In order to provide an electric power system in which a plurality of electric power suppliers and demanders is configured by being mutually connected by electric power supply and demand control devices, the electric power system being not only self-sustainable without depending on a known electric power system, but also...
Inventors: Satoshi Nagata, Akio Tanaka

04/30/09 - 20090108945 - Frequency synthesizer
A frequency synthesizer switches the frequency at a high rate, is of low power consumption, and has a high signal-to-noise ratio. CMOS quadrature VCOs 31, 32 generate and output four-phase signals 36, 37, respectively. CMOS selector 33 selects either one of two four-phase signals 36, 37 generated by CMOS quadrature...
Inventors: Hiroshi Kodama, Akio Tanaka (Nec Corporation)

04/02/09 - 20090085645 - Semiconductor device
A plurality of circuit blocks are provided in a semiconductor device which collects and corrects impairment quantities of discretionary areas in a circuit group of various types having random couplings. The semiconductor device is provided with a detector, which is arranged in each circuit block and detects an electric signal...
Inventors: Akio Tanaka (Nec Corporation)

Eagle Industry Co., Ltd., Nec Corporation, Sony Corporation

(*May have duplicates - we are upgrading our archive.)

20080129385 - High-frequency amplification circuit


The bibliographic references displayed about Akio TANAKA's patents are for a recent sample of Akio TANAKA's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the website. If Akio TANAKA filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the website.


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