Takahiro Asai
Takahiro Asai, Kawasaki-Sh JP
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20110061800 | ADHESIVE COMPOSITION, FILM ADHESIVE, AND HEAT TREATMENT METHOD - An adhesive composition of the present invention contains, as a main composition, a polymer obtained by copolymerizing a monomer composition containing a monomer having a maleimide group, and further contains a thermal polymerization inhibitor. As a result, it is possible to provide an adhesive composition that allows forming an adhesive layer that is excellently dissolved after the adhesive layer has been subjected to a high-temperature process. | 03-17-2011 |
Takahiro Asai, Yokosuka-Shi JP
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20090186645 | MULTICARRIER RADIO COMMUNICATION SYSTEM, BASE STATION, RADIO RELAY STATION, MOBILE STATION, AND MULTICARRIER RADIO COMMUNICATION METHOD - A multicarrier radio communication system includes a first mobile station located at a position where it is possible to directly communicate with the base station and to communicate with a radio relay station, and a second mobile station located at a position where it is impossible to directly communicate with the base station and it is possible to communicate with the radio relay station. For allocating subcarriers to signals, the base station determines an order of priority for signals destined for mobile stations on the basis of whether each mobile station is the first mobile station or not. The radio relay station allocates subcarriers to the signals, independently of subcarrier allocation made at the base station. For allocating subcarriers, the radio relay station determines an order of priority for signals on the basis of whether each mobile station is the first mobile station or not. | 07-23-2009 |
20090207931 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD - A wireless communication device that transmits a wireless signal by carrying out linear precoding processing using a plurality of transmission antennas is provided with: a phase pattern control unit for selecting a phase pattern that reduces peak-to-average power ratio; a phase rotation unit for carrying out phase rotation on a modulation signal using the phase pattern selected in the phase pattern control unit; a control signal generation unit for generating a control signal based on the phase pattern selected in the phase pattern control unit; and a preceding unit for carrying out linear precoding processing on output signals from the phase rotation unit and output signals from the control signal generation unit. | 08-20-2009 |
20100062708 | RADIO RELAY APPARATUS AND METHOD - A disclosed radio relay apparatus receives signals from a transmitter via multiple receive antennas and transmits relay signals derived from the received signals to a receiver via multiple transmit antennas. The apparatus includes a channel estimation unit configured to estimate a forward channel matrix H | 03-11-2010 |
20100219884 | TRANSMITTER, RECEIVER, POWER AMPLIFICATION METHOD, AND SIGNAL DEMODULATION METHOD - There is provided a transmitter including a nonlinear input-output conversion characteristic control unit configured to determine a nonlinear input-output conversion characteristic for converting a signal depending on a usage status of a frequency band; an amplitude control unit configured to convert an amplitude of the signal based on the determined nonlinear input-output conversion characteristic; and a transmission power amplification unit configured to amplify power of the signal with the converted amplitude. There is also provided a transmitter including a nonlinear input-output conversion characteristic control unit configured to determine a nonlinear input-output conversion characteristic for converting a signal depending on a usage status of a frequency band; plural transmission power amplification units having different nonlinear input-output conversion characteristics; and a selecting unit configured to select one of the plural transmission power amplification units based on the determined nonlinear input-output conversion characteristic. | 09-02-2010 |
20100309863 | RADIO COMMUNICATIONS APPARATUS, RADIO COMMUNICATIONS METHOD, AND RADIO COMMUNICATIONS SYSTEM - A radio communications apparatus is disclosed which includes a generator which generates a transmit frame; and a transmitter which transmits the transmit frame via multiple transmit antennas. In the radio comuunications apparatus, the transmit frame includes a predetermined number of resource elements having a predetermined frequency bandwidth and a predetermined symbol period, and the generator generates the transmit frame such that the number of transmit antennas which are identifiable from a location of the resource element taken up by a pilot signal in a certain transmit frame is less than the number of transmit antennas which are identifiable from the location of the resource element taken up by the pilot signal in a retransmission transmit frame of the certain transmit frame. | 12-09-2010 |
20110255439 | RADIO COMMUNICATION CONTROL APPARATUS AND RADIO COMMUNICATION CONTROL METHOD - To provide a radio communication control apparatus and a radio communication control method capable of controlling simultaneous transmission and reception so as not to degrade system throughput. | 10-20-2011 |
20130322362 | Communication System, Transmitting Device, Receiving Device, and Communication Method - There is provided a communication system capable of achieving a high usage efficiency of frequencies without the need for cooperation of multiplexed users. A communication system communicates over frequency channels set by dividing a frequency bandwidth assigned to the system allows interference between channels by overlapping the adjacent frequency channels with each other in the frequency domain, or a transmitting and receiving device, which transmits and receives a signal by allowing the interference between symbols at a waveform level for each channel to decrease the occupied bandwidth, is provided with ICI removal and ISI compensation filter | 12-05-2013 |
Takahiro Asai, Shizuoka JP
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20100255257 | PROTECTOR FOR ELECTROCHEMICAL ELEMENT - The invention aims to provide a protector that is prevented from being loosened from an electrochemical element, prevented from having dispersion in dimension and prevented from coming off the electrochemical element. In a protector | 10-07-2010 |
Takahiro Asai, Tokyo JP
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20100235710 | SIGNAL TRANSMISSION METHOD AND TRANSMITTER IN RADIO MULTIPLEX TRANSMISSION SYSTEM - A disclosed signal transmission method in a radio multiplex transmission system comprises the steps of: serial-to-parallel converting serial data to be transmitted into N (N: two or more) parallel data series; independently performing an error-correcting encoding process on the parallel signals of the N data series serial-to-parallel converted; parallel-to-serial converting the parallel signals encoded with error-correcting codes; performing an interleaving process on the parallel-to-serial converted signals; serial-to-parallel converting the interleaved signals into L (L: two or more) parallel data series and transmitting each of the L data series using L antennas; receiving the transmitted signals; separating the received signals into M (M: two or more) data series and parallel-to-serial converting the M data series; performing a deinterleaving process on the parallel-to-serial converted signals; serial-to-parallel converting the deinterleaved signals into N data series; independently performing an error-correcting decoding process on the parallel signals of the N data series serial-to-parallel converted; and parallel-to-serial converting the signals in which the error-correcting codes are decoded, thereby recovering the transmitted data. | 09-16-2010 |
20130059616 | RADIO STATION, TRANSMITTING STATION, AND FREQUENCY BAND SHARING METHOD - The invention has a step where a transmitting station in a second radio communication system determines whether transmission of a second radio communication system signal using a shared frequency band is possible or not based on load information of a first radio communication system broadcast from a base station in the first radio communication system, a step where the transmitting station in the second radio communication system calculates predicted interference power caused in a receiving station in the first radio communication system by the second radio communication system signal transmitted using the shared frequency band, and a step where the base station in the first radio communication system increases an allowable interference level of a first radio communication system signal transmitted using the shared frequency band based on the predicted interference power broadcast from the transmitting station in the second radio communication system. | 03-07-2013 |
Takahiro Asai, Kanagawa-Ken JP
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20090051962 | CONTROLLING IMAGE PROCESSING SYSTEM - In an image processing system, when a user request is received from a client apparatus, an image processing management apparatus determines whether the user request can be processed by the image processing system to generate a determination result, and generate an instruction indicating how the image processing system should operate based on the determination result. | 02-26-2009 |
20100088408 | STATUS REPORTING APPARATUS, IMAGE PROCESSING SYSTEM, AND STORAGE MEDIUM STORING CONTROL PROGRAM - A status reporting apparatus for reporting a status of an image processing apparatus operating in connection with a network includes a status detector, a status report destination information obtainer, and a status reporting unit. The status detector detects a status of the image processing apparatus. The status report destination information obtainer obtains information on at least one report destination to which the status detected by the status detector is to be reported in accordance with status report destination information in which the status of the image processing apparatus is associated with the information on the at least one report destination. The status reporting unit reports the status detected by the status detector to the at least one report destination on which the information is obtained by the status report destination information obtainer. | 04-08-2010 |
Takahiro Asai, Naka-Gun JP
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20130027747 | CONTROLLING IMAGE PROCESSING SYSTEM - In an image processing system, when a user request is received from a client apparatus, an image processing management apparatus determines whether the user request can be processed by the image processing system to generate a determination result, and generate an instruction indicating how the image processing system should operate based on the determination result. | 01-31-2013 |
Takahiro Asai, Chiyoda-Ku JP
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20130148538 | MOBILE COMMUNICATION TERMINAL - A mobile communication terminal including multiple receiving antennas demodulates an interfering UE-specific reference signal that might be used in another mobile communication terminal, and analyzes interference parameters specified by the interfering UE-specific reference signal demodulated by the interfering UE-specific reference signal demodulator, the interference parameters being parameters with regard to another beam sent to another mobile communication terminal from an interfering base station. Then, the mobile communication terminal calculates receiving weights so as to suppress influence to the desired beam from other beams, on the basis of desired beam parameters and the interference parameters. | 06-13-2013 |
20130163462 | MOBILE COMMUNICATION TERMINAL - A mobile communication terminal includes an interference rejection combining processor for obtaining a received signal vector with regard to each of multiple resource elements and for calculating receiving weights so as to suppress influence to a desired beam of electric wave sent from the desired base station by other beams, on the basis of the received signal vectors; a non-interference-rejection receiving weight calculator for calculating receiving weights so as not to suppress influence to the desired beam by other beams; a signal separator for separating a signal destined for the mobile communication terminal from signals destined for other mobile communication terminals; and an interference rejection combining determiner for determining whether the receiving weights to suppress influence by other beams or the receiving weights calculated by the non-interference-rejection receiving weight calculator should be used for signal separation by the signal separator, on the basis of an index representing a relationship between reception quality of a desired downlink transmission signal and reception quality of an interfering signal. | 06-27-2013 |
Takahiro Asai, Numazu-Shi JP
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20130216882 | PROTECTOR FOR ELECTROCHEMICAL ELEMENT - A system for protecting an electrochemical element from an external shock includes an electrochemical element, a bag-shaped aluminum laminate film configured to receive and entirely cover the electrochemical element, and a protector configured to cover the electrochemical element and the bag-shaped aluminum laminate film. The protector includes a frame having corners and a plurality of recesses disposed at an inner surface of the corners. When the electrochemical element is received in the bag-shaped aluminum laminate film and an interior of the bag-shaped aluminum laminate film is vacuumed, a plurality of wrinkled portions are formed at corners of the bag-shaped aluminum laminate film. The plurality of recesses of the protector are configured to receive the plurality of wrinkled portions of the bag-shaped aluminum laminate film such that portions of the protector other than the plurality of recesses are in intimate contact with the bag-shaped aluminum laminate film. | 08-22-2013 |
Takahiro Asai, Aichi-Gun JP
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20130341951 | VEHICLE SEAT - In a vehicle rear seat, slits are respectively formed in side wall portions of retainers provided on a vehicle body side and are respectively open at upper end sides of the side wall portions. Hinge pins respectively provided at lower end sides on side portions of a rear seat back are inserted in the corresponding slits to thereby couple the rear seat back to the vehicle body side via the retainers. Furthermore, in the vehicle rear seat, distal end sides of the hinge pins, that is, portions that protrude outward of the rear seat back, are respectively covered with covers attached to the corresponding retainers. | 12-26-2013 |
Takahiro Asai, Ichinomiya-Shi JP
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20150021907 | FUEL LINE JOINT - To provide a fuel line joint capable of improving resistance to an external force in a joint configured to store a liquid fuel. A fuel line joint is equipped with an integrally formed main body portion that has a storage region configured to store a liquid fuel in a lower part thereof and has an opening portion above the storage region of the liquid fuel; a lid that is formed separately from the main body portion, is attached to the main body portion so as to close the opening portion of the main body portion, and is not connected to members other than the main body portion; and a plurality of mounting portions that is formed integrally with the main body portion and mounted to each of a plurality of pipes forming a fuel line. | 01-22-2015 |
20150276122 | FIXTURE FOR PIPING - A fixture for piping includes a fitting. The fitting includes a base, and a locking tab. The locking tab has an end fixed onto the base, and one or more folding sections. The locking tab is formed as a folding configuration folded twice or more, and is further formed so as to be inclinable by elastic deformation about the end and the one or more folding sections serving as a fulcrum, respectively, thereby being locked up with a hole in a vehicle body. | 10-01-2015 |
Takahiro Asai, Kasugai-Shi JP
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20160059797 | SOUNDPROOF BODY FOR MOTOR VEHICLES AND SILENCER FOR MOTOR VEHICLES - A dash silencer has a lamination structure of a first layer, an intermediate layer, and a second layer. The intermediate layer is formed as a non-air permeable thin-membrane layer. The second layer is formed as a perforated layer having a plurality of opening portions. | 03-03-2016 |