Patents by Inventor Nobuyoshi Nishikawa

Nobuyoshi Nishikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10081394
    Abstract: A mounting structure for a vehicular resin component provided with a panel body having a design surface on a surface of the panel body; a reinforcement rib arranged upright on a back surface of the panel body; and a mounting member for a vehicle. The reinforcement rib includes a proximal end portion connected to the panel body and formed with a thickness thinner than a thickness of a distal end portion. The distal end portion of the reinforcement rib includes an inclined surface formed between the distal end portion and the proximal end portion with increasing thickness toward the leading end side, and is provided with a locking hole with a hole direction inclined in the direction of inclination of the inclined surface. In the mounting member, a locking claw capable of being fitted in the locking hole is formed.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: September 25, 2018
    Assignee: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Katsuya Ikeno, Osamu Tamura, Nobuyoshi Nishikawa, Wataru Iwase
  • Patent number: 9751240
    Abstract: A method for manufacturing a resin vehicle part provided with a panel body having a decorative surface on the front surface and a stepped reinforcing rib, which stands on the back surface of the panel body and the thickness of the base end of which is formed to be thinner than the thickness of the leading end. On the injection molding die thereof, a sliding piece for forming the stepped reinforcing rib is provided so as to be movable. During shrinkage movement of the stepped reinforcing rib in the height direction after molten resin has been filled in the injection molding die, the sliding piece is pressed by the leading end of the stepped reinforcing rib and moves towards the panel body.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: September 5, 2017
    Assignee: Toyota Shatai Kabushiki Kaisha
    Inventors: Katsuya Ikeno, Tomohiro Arakawa, Yoshihisa Yamashita, Nobuyoshi Nishikawa
  • Patent number: 9479376
    Abstract: A modulator generates a modulation signal from an input signal by, and a serial-parallel converter generates a subcarrier modulation signal from the modulation signal. A shifter shifts a predetermined data series to generate a shift sequence. Two IFFT units perform an IFFT on data sent thereto to generate first data and second data. An operator generates baseband signals from at least one of the sum of the first data and the second data and the difference therebetween. The foregoing processing is repeated with a predetermined number of times to shift the predetermined data series being changed. A PAPR determiner sends the baseband signal matching with a predetermined reference for determining a transmission signal to a transmitter. The transmitter generates a transmission signal from the baseband signal, and transmits the transmission signal to another communication apparatus via an antenna.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: October 25, 2016
    Assignee: ICOM INCORPORATED
    Inventor: Nobuyoshi Nishikawa
  • Publication number: 20160288842
    Abstract: A mounting structure for a vehicular resin component provided with a panel body having a design surface on a surface of the panel body; a reinforcement rib arranged upright on a back surface of the panel body; and a mounting member for a vehicle. The reinforcement rib includes a proximal end portion connected to the panel body and formed with a thickness thinner than a thickness of a distal end portion. The distal end portion of the reinforcement rib includes an inclined surface formed between the distal end portion and the proximal end portion with increasing thickness toward the leading end side, and is provided with a locking hole with a hole direction inclined in the direction of inclination of the inclined surface. In the mounting member, a locking claw capable of being fitted in the locking hole is formed.
    Type: Application
    Filed: September 26, 2014
    Publication date: October 6, 2016
    Inventors: Katsuya IKENO, Osamu TAMURA, Nobuyoshi NISHIKAWA, Wataru IWASE
  • Patent number: 9385908
    Abstract: A communication apparatus comprises an inserter that inserts an element having a value of 0 or nearly 0 into a predetermined position of a modulated signal to generate inserted data; an operator that adds a pilot signal comprising a data series of which the elements at the positions corresponding to the predetermined positions in the modulated signal are multiplied by a first amplitude coefficient and the elements other than the elements multiplied by the first amplitude coefficient are multiplied by a second amplitude coefficient to the inserted data to generate a post-operation data; an IFFT unit that performs IFFT on the post-operation data; and a transmitter that generates a baseband signal based on the post-operation data on which the IFFT is performed and transmits a transmission signal generated from the baseband signal.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: July 5, 2016
    Assignee: Icom Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 9369324
    Abstract: The communication apparatus comprises a modulator that modulates an input signal to generate a modulated signal; an inserter that inserts a predetermined element into the modulated signal at a predetermined position to generate inserted data of which the number of elements is equal to a size of Fast Fourier Transformation (FFT); a calculator that calculates Peak-to-Average Power Ratio (PAPR) of a baseband signal corresponding to the inserted data; and a transmitter transmits a transmission signal corresponding to the baseband signal based on the calculated PAPR.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: June 14, 2016
    Assignee: ICOM Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 9359013
    Abstract: A resin part for a vehicle provided with: a panel body having a design surface; and stepped reinforcing ribs, which are vertically arranged on the inside surface of the panel body, in which the wall thickness of the base end portion is formed to be thinner than the wall thickness of the leading end portion, and in which the side ends at the end in the direction in which the ribs extend (arrow (X) direction) are open. Resin supply ports, to which molten resin is supplied prior to the base end portion, are formed in the leading end portion.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: June 7, 2016
    Assignee: TOYOTA SHATAI KABUSHIKI KAISHA
    Inventors: Katsuya Ikeno, Tomohiro Arakawa, Nobuyoshi Nishikawa, Wataru Iwase
  • Publication number: 20160031491
    Abstract: A resin part for a vehicle provided with: a panel body having a design surface; and stepped reinforcing ribs, which are vertically arranged on the inside surface of the panel body, in which the wall thickness of the base end portion is formed to be thinner than the wall thickness of the leading end portion, and in which the side ends at the end in the direction in which the ribs extend (arrow (X) direction) are open. Resin supply ports, to which molten resin is supplied prior to the base end portion, are formed in the leading end portion.
    Type: Application
    Filed: March 10, 2014
    Publication date: February 4, 2016
    Inventors: Katsuya IKENO, Tomohiro ARAKAWA, Nobuyoshi NISHIKAWA, Wataru IWASE
  • Publication number: 20150306791
    Abstract: A method for manufacturing a resin vehicle part provided with a panel body having a decorative surface on the front surface and a stepped reinforcing rib, which stands on the back surface of the panel body and the thickness of the base end of which is formed to be thinner than the thickness of the leading end. On the injection molding die thereof, a sliding piece for forming the stepped reinforcing rib is provided so as to be movable. During shrinkage movement of the stepped reinforcing rib in the height direction after molten resin has been filled in the injection molding die, the sliding piece is pressed by the leading end of the stepped reinforcing rib and moves towards the panel body.
    Type: Application
    Filed: December 26, 2013
    Publication date: October 29, 2015
    Inventors: Katsuya IKENO, Tomohiro ARAKAWA, Yoshihisa YAMASHITA, Nobuyoshi NISHIKAWA
  • Patent number: 9112757
    Abstract: An identification provider provides predetermined identification data to an input signal, and generates a first signal. A differential encoder performs a differential encoding of a data series that is an aggregate of data having a matching number of elements to that contained in the first signal, and generates a second signal. A modulator modulates each of the first and second signals using a primary modulation, and generates first and second modulated data. An IFFT calculator performs an inverse fast Fourier transformation on each of the first and second modulated data, and generates first and second inverse transformed data. A selector compares peak-to-average power ratios calculated by baseband signals associated with the first and second inverse transformed data, and selects a baseband signal having the lower peak-to-average power ratio. A transmitter generates a transmission signal based on the selected baseband signal, and transmits the transmission signal.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 18, 2015
    Assignee: ICOM INCORPORATED
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 9083591
    Abstract: A modulator generates a modulation signal from an input signal. A serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An inserter inserts a transmission-side data series, generated by multiplying a data series having an autocorrelation property by a predetermined series amplitude coefficient, in a signal for synthesis, generated by multiplying the subcarrier modulation signal by a predetermined signal amplitude coefficient, in such a way that elements in the signal for synthesis and elements in the transmission-side data series are alternately positioned, thereby generating first data. An IFFT unit performs an inverse fast Fourier transformation on the first data. A separator generates a baseband signal based on first half data of an operation result from the IFFT unit. A transmitter generates a transmission signal from the baseband signal, and transmits it to another apparatus via an antenna.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: July 14, 2015
    Assignee: ICOM INCORPORATED
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 9083431
    Abstract: A modulator generates a modulation signal from an input signal. A serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An IFFT unit performs an inverse fast Fourier transformation on the subcarrier modulation signal, generating first data. A decomposer decomposes the first data into real data and imaginary data. An operator performs a predetermined operation using a predetermined threshold value, a boundary value and the real data, generating positive data and negative data. Another operator performs a similar operation on the imaginary data. A generator adds the positive data and negative data based on the real data, and adds the positive data and negative data based on the imaginary data, generating real operation data and imaginary operation data. A synthesizer synthesizes both operation data to generate a baseband signal. A transmitter generates a transmission signal from the baseband signal, and transmits it to another apparatus via an antenna.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: July 14, 2015
    Assignee: ICOM INCORPORATED
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 9031160
    Abstract: A modulator subjects an input signal to primary modulation to generate a primary modulated signal. A transmitter generates and transmits a transmission signal based on a secondary modulated signal generated from the primary modulated signal. A retransmission request receiver receives a retransmission request that contains identification information. An operator uses a data sequence that is a set of elements of a same number as a number of elements in an input signal identified by the identification information and with element values of 1 or 0 to generate operation data whose elements are values of exclusive OR of respective elements of the input signal and respective elements of the data sequence that are at same positions as positions of the respective elements of the input signal. If a retransmission request receiver receives a retransmission request, the modulator and transmitter perform the above processing using the operation data as an input signal.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: May 12, 2015
    Assignee: Icom Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 9031159
    Abstract: A modulator generates modulation signals from input signals. A combiner arranges subcarrier modulation signals based on the modulation signals in order thereby to generate a compound matrix. The shifter shifts elements of each row of the compound matrix to generate shift matrix. An IFFT calculator subjects the shift matrix to inverse fast Fourier transformation to generate inverse transformation matrix. A maximum detector detects a column with a highest peak-to-average power ratio among columns of the inverse transformation matrix. A minimum detector detects an inverse transformation matrix including a column with a lowest peak-to-average power ratio among columns of inverse transformation matrices detected by the maximum detector. A transmitter generates a transmission signal based on baseband signals generated from each column of the inverse transformation matrix detected by the minimum detector, and transmits the transmission signal.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: May 12, 2015
    Assignee: Icom Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Publication number: 20150098520
    Abstract: An identification provider provides predetermined identification data to an input signal, and generates a first signal. A differential encoder performs a differential encoding of a data series that is an aggregate of data having a matching number of elements to that contained in the first signal, and generates a second signal. A modulator modulates each of the first and second signals using a primary modulation, and generates first and second modulated data. An IFFT calculator performs an inverse fast Fourier transformation on each of the first and second modulated data, and generates first and second inverse transformed data. A selector compares peak-to-average power ratios calculated by baseband signals associated with the first and second inverse transformed data, and selects a baseband signal having the lower peak-to-average power ratio. A transmitter generates a transmission signal based on the selected baseband signal, and transmits the transmission signal.
    Type: Application
    Filed: August 29, 2014
    Publication date: April 9, 2015
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 9001906
    Abstract: A modulator generates a modulation signal from an input signal, and a serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An IFFT unit performs an inverse fast Fourier transformation on the subcarrier modulation signal to generate first data. An operator multiplies respective elements of the first data by amplitude coefficients, and further adds dispersion coefficients to the multiplication result, the amplitude coefficients being real numbers other than 0 defined for the respective elements, at least one of the amplitude coefficients having a value other than 1, the dispersion coefficients being complex numbers defined for the respective components, and at least one of the dispersion coefficients having a value other than 0. Then, data symbols are generated based on a calculation result. A transmitter transmits a transmission frame including the data symbols to another apparatus via an antenna.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: April 7, 2015
    Assignee: Icom Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 8995566
    Abstract: A modulator generates a modulation signal from an input signal, and a serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An IFFT unit performs an inverse fast Fourier transformation on the subcarrier modulation signal, and a decomposer decomposes a calculation result into a real part data and an imaginary part data. A calculator applies a predetermined calculation with respect to each element the value of which is equal to or greater than a positive threshold value and each element the value of which is equal to or less than a negative threshold value among the real part data and the imaginary part data. A synthesizer synthesizes the real part data and the imaginary part data to generate a baseband signal, and a transmitter generates a transmission signal from the baseband signal, and transmits it to another apparatus via an antenna.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: March 31, 2015
    Assignee: Icom Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 8977667
    Abstract: A series generator divides a data series having an autocorrelation property equally into a certain number to generate subdata series. A modulator multiplies a predetermined amplitude coefficient and a unique number by each element of the subdata series, respectively, and rearranges the subdata series and synthesizes the rearranged subdata series to generate the modulation data. An IFFT unit performs an IFFT on the modulation data. The calculator divides the calculation result equally into the certain number to generate the sub calculation results, and multiplies an equalization coefficient by each element of the sub calculation results. A synthesizer generates a baseband signal by arranging the sub calculation results, so that an arranged position corresponds to a position at the time of being divided equally, and synthesizing the arranged result. A transmitter generates the transmission signal and transmits it to another apparatus via an antenna.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: March 10, 2015
    Assignee: ICOM Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 8976879
    Abstract: A modulator performs a predetermined operation for making an absolute value of an operation result of at least one element of an input signal greater than 0 on the individual elements of the input signal. The modulator generates post-operation data by associating individual elements of the input signal with individual elements of a data series which is a set of pieces of data which are equal in number to the elements of the input signal and whose absolute values are equal to one another, and multiplying the individual elements of the input signal which are subjected to the predetermined operation by the elements of the data series. An IFFT calculator performs inverse fast Fourier transformation on the post-operation data, and a synthesizer synthesizes operation results from the IFFT calculator to generate a baseband signal. A transmitter generates a transmission signal from the baseband signal and transmits the transmission signal.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: March 10, 2015
    Assignee: ICOM Incorporated
    Inventor: Nobuyoshi Nishikawa
  • Patent number: 8953709
    Abstract: A modulator generates a subcarrier modulation signal from an input signal, a parallel-serial converter generates a subcarrier modulation signal from the modulation signal. An IFFT calculator performs reverse Fast Fourier Transform on the subcarrier modulation signal, and a separator separates a calculation result into real part data and imaginary part data. A real part calculator performs a calculation on each element of the real part data to generate real part post-distribution data. An imaginary part calculator performs the data processing on the imaginary part data in the same manner, and generates imaginary part post-distribution data. A combiner combines the real part post-distribution data and the imaginary part post-distribution data to generate a baseband signal, and a transmitter which generates a transmission signal from the baseband signal to transmit generated transmission signal.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: February 10, 2015
    Assignee: Icom Incorporated
    Inventor: Nobuyoshi Nishikawa