Patents by Inventor Akira Kuriyama

Akira Kuriyama 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).

  • Publication number: 20200079968
    Abstract: An ink jet recording method including the steps of a first recording step for applying a first ink to a recording medium and a second recording step for applying a second ink to the recording medium so as to overlap at least a region provided with the first ink, wherein the first ink is an aqueous ink containing silver particles, the second ink is an aqueous ink containing a dye, a time difference between applications of the first ink and the second ink to the recording medium is 1 sec or more to 7,200 sec or less, and the dye is a predetermined dye.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 12, 2020
    Inventors: Yoko Taira, Masayuki Ikegami, Yuhei Shimizu, Akira Kuriyama
  • Patent number: 10560762
    Abstract: A sensing system includes: a wireless sensor terminal that includes a sensor, a processor, and a memory; and a concentrator that includes a processor and a memory and is connected to the wireless sensor terminal. In the sensing system, the wireless sensor terminal includes a first signal processing unit that processes sensor data measured by the sensor, and a first wireless communication unit that transmits the data output by the first signal processing unit. The concentrator includes a second wireless communication unit that communicates with the first wireless communication unit, and a second signal processing unit that calculates a feature quantity based on the data received from the wireless sensor terminal, determines a principal component according to the feature quantity by a principal component analysis, and generates a principal component list corresponding to the principal component.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 11, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Hisanori Matsumoto, Yutaka Okuyama, Akira Kuriyama
  • Patent number: 10444340
    Abstract: A millimeter-wave antenna includes a slit which is provided in a GND conductor formed in a first surface of a circuit board, a horn antenna which is provided with a first opening and a second opening, and an impedance matching device which is provided in a slot shape between the slit and the first opening of the horn antenna. The impedance matching device is formed in the slot shape which is filled with a dielectric having a dielectric constant different from that of the circuit board. The impedance matching device is configured such that a length of the slot shape in a propagation direction is less than ¼ of a wavelength of a use frequency upper limit. The impedance matching device is configured such that a size of a rectangular shape of the slot shape in a magnetic field direction is larger than the first opening of the horn antenna.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: October 15, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Hideyuki Nagaishi, Akira Kuriyama
  • Publication number: 20190310345
    Abstract: The present invention is an antenna provided with: a plurality of radiating parts formed on a base plate; a waveguide tube inside of which radio waves emitted from the radiating parts propagate; a lens having a plurality of curved surfaces having a substantially hyperbolic shape and disposed in an opening of the waveguide tube; and a protruding part formed in a tapered shape between the plurality of radiating parts. The tip of the protruding part is formed at a position lower than an opening surface.
    Type: Application
    Filed: August 3, 2017
    Publication date: October 10, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Hideyuki NAGAISHI, Akira KURIYAMA, Akira KITAYAMA, Hiroshi KURODA
  • Publication number: 20190202354
    Abstract: An image capture device is mounted in a vehicle. The image capture device includes: an image capture unit; and a setting unit that sets an image capture condition for each region of the image capture unit each having a plurality of pixels, or for each pixel, based upon at least one of a state exterior to the vehicle and a state of the vehicle.
    Type: Application
    Filed: February 22, 2019
    Publication date: July 4, 2019
    Applicant: NIKON CORPORATION
    Inventors: Akiko SHIGA, Toru MIYAKOSHI, Satoshi YAMAGUCHI, Akira KINOSHITA, Kaoru YOSHINO, Hitomi NAGANUMA, Takashi KURIYAMA, Koichi FUKUDA, Yuki KITA, Koji NAGAOKA, Tomoya NAKAGAWA, Masakazu SEKIGUCHI, Takashi SHIONOYA
  • Publication number: 20190190142
    Abstract: Proposed is a millimeter-wave band communication device which does not generate spatial resonance in a cover shielding unnecessary radio waves from the outside. Disclosed is a millimeter-wave band communication device including: a substrate; a radio frequency circuit element for a millimeter-wave band provided on the substrate; and a cover made of a bulk material that covers at least a part of the radio frequency circuit element and a surface of the substrate, the cover being formed by blending a dielectric loss material in a base.
    Type: Application
    Filed: April 13, 2017
    Publication date: June 20, 2019
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Hideyuki NAGAISHI, Akira KURIYAMA, Takafumi MATSUMURA
  • Publication number: 20190111717
    Abstract: An aqueous ink for inkjet printing contains silver particles having a particle size of 60 nm or less at a cumulative volume of 90%.
    Type: Application
    Filed: October 2, 2018
    Publication date: April 18, 2019
    Inventors: Masayuki Ikegami, Yuhei Shimizu, Akira Kuriyama, Yoko Taira
  • Publication number: 20190077145
    Abstract: A method for ink-jet recording comprising recording an image on a recording medium using an ink-jet recording apparatus including a recording head equipped with a heat generation unit which generates thermal energy for discharging aqueous ink by discharging the aqueous ink from the recording head based on image data by action of the thermal energy, wherein the aqueous ink is discharged once by applying a single pulse waveform voltage to the heat generation unit in the recording, and wherein the aqueous ink includes silver particles.
    Type: Application
    Filed: September 5, 2018
    Publication date: March 14, 2019
    Inventors: Yuhei Shimizu, Masayuki Ikegami, Akira Kuriyama, Yoko Taira
  • Publication number: 20190028782
    Abstract: A sensing system includes: a wireless sensor terminal that includes a sensor, a processor, and a memory; and a concentrator that includes a processor and a memory and is connected to the wireless sensor terminal. In the sensing system, the wireless sensor terminal includes a first signal processing unit that processes sensor data measured by the sensor, and a first wireless communication unit that transmits the data output by the first signal processing unit. The concentrator includes a second wireless communication unit that communicates with the first wireless communication unit, and a second signal processing unit that calculates a feature quantity based on the data received from the wireless sensor terminal, determines a principal component according to the feature quantity by a principal component analysis, and generates a principal component list corresponding to the principal component.
    Type: Application
    Filed: March 26, 2018
    Publication date: January 24, 2019
    Inventors: Hisanori MATSUMOTO, Yutaka OKUYAMA, Akira KURIYAMA
  • Publication number: 20190005807
    Abstract: Provided is a wireless sensor node which includes a sensor to convert a physical quantity into an electric signal to measure the physical quantity, a filter to extract a signal containing a predetermined frequency from the electric signal, a transmitter to transmit data based on the frequency extracted by the filter, a receiver to receive a command to be transmitted from an outside in a wireless manner, and a control unit to control a frequency to be extracted by the filter based on the command.
    Type: Application
    Filed: February 22, 2017
    Publication date: January 3, 2019
    Inventors: Tsukasa FUJIMORI, Akira KURIYAMA, Toshihiko FUKAMACHI, Takashi OSHIMA
  • Publication number: 20180267161
    Abstract: A millimeter-wave antenna includes a slit which is provided in a GND conductor formed in a first surface of a circuit board, a horn antenna which is provided with a first opening and a second opening, and an impedance matching device which is provided in a slot shape between the slit and the first opening of the horn antenna. The impedance matching device is formed in the slot shape which is filled with a dielectric having a dielectric constant different from that of the circuit board. The impedance matching device is configured such that a length of the slot shape in a propagation direction is less than 1/4 of a wavelength of a use frequency upper limit. The impedance matching device is configured such that a size of a rectangular shape of the slot shape in a magnetic field direction is larger than the first opening of the horn antenna.
    Type: Application
    Filed: September 2, 2016
    Publication date: September 20, 2018
    Inventors: Hideyuki NAGAISHI, Akira KURIYAMA
  • Publication number: 20180164430
    Abstract: A sensor has an antenna. The antenna includes a radiation source and a wave guide. The radiation source is formed on a substrate. The wave guide internally propagates electromagnetic waves radiated from the radiation source and radiates the electromagnetic waves as a beam. The wave guide has a radiation-side opening in which a first direction and a second direction are orthogonal to each other, and the second direction is longer than the first direction. In a cross-sectional shape of the beam, perpendicular to a radiation direction of the beam radiated from the wave guide, a first direction and a second direction are orthogonal to each other, and the second direction is narrower than the first direction.
    Type: Application
    Filed: May 13, 2016
    Publication date: June 14, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akira KURIYAMA, Hideyuki NAGAISHI, Hiroshi KURODA
  • Publication number: 20180059659
    Abstract: To provide a delivery system by which an unmanned aerial vehicle can be safely landed at a landing site, and the unmanned aerial vehicle can be landed at the desired site with high accuracy, a delivery system, comprising: an unmanned aerial vehicle that delivers a package to a delivery destination; a control server that manages delivery of the package; and an access point set in a vicinity of a landing site of the unmanned aerial vehicle, wherein the unmanned aerial vehicle is configured to: communicate with the control server through the access point when inside a predetermined range; and communicate with the control server through a telecommunications carrier network outside of the predetermined range.
    Type: Application
    Filed: June 6, 2017
    Publication date: March 1, 2018
    Inventors: Takashi TAKEUCHI, Yoriko KAZAMA, Ryosuke FUJIWARA, Akira KURIYAMA
  • Patent number: 9388264
    Abstract: A method for producing a resin composition, comprising the step of: subjecting a radical copolymerization of a first radical polymerizable monomer which is free from any crystalline molecular chain and a second radical polymerizable monomer having a crystalline molecular chain, in the presence of a radical polymerization initiator, wherein the second radical polymerizable monomer is the following compound, (wherein R1 denotes a hydrogen atom or a methyl group, and R2 denotes an alkyl group having at least 17 carbon atoms) the first radical polymerizable monomer has a particular reactivity ratio.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: July 12, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazumichi Nakahama, Keiichiro Tsubaki, Takayuki Hiratani, Akira Kuriyama, Taku Shimoda
  • Patent number: 8919943
    Abstract: Aspects of the present invention provide an ink-jet recording method including the step of applying an ink to a recording medium by discharging the ink from a recording head by action of thermal energy and the step of fixing the ink to the recording medium by heating the ink applied to the recording medium. The ink contains water, a self-dispersing pigment, and resin particles. The resin particles have a glass transition temperature of not less than 25° C., an average particle diameter of 70 nm or more and 220 nm or less, and an acid value of 25 mg KOH/g or more and 150 mg KOH/g or less.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: December 30, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masayuki Ikegami, Ikuo Nakazawa, Akira Kuriyama, Taketoshi Okubo, Atsuhito Yoshizawa, Kenichi Iida, Shoji Koike
  • Publication number: 20140323673
    Abstract: A method for producing a resin composition, comprising the step of: subjecting a radical copolymerization of a first radical polymerizable monomer which is free from any crystalline molecular chain and a second radical polymerizable monomer having a crystalline molecular chain, in the presence of a radical polymerization initiator, wherein the second radical polymerizable monomer is the following compound, (wherein R1 denotes a hydrogen atom or a methyl group, and R2 denotes an alkyl group having at least 17 carbon atoms) the first radical polymerizable monomer has a particular reactivity ratio.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 30, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazumichi Nakahama, Keiichiro Tsubaki, Takayuki Hiratani, Akira Kuriyama, Taku Shimoda
  • Publication number: 20140323659
    Abstract: A method for producing a resin composition, comprising the step of: subjecting a radical copolymerization of a first radical polymerizable monomer which is free from any crystalline molecular chain, and a second radical polymerizable monomer having a crystalline molecular chain, in the presence of a radical polymerization initiator, wherein the second radical polymerizable monomer is the following compound, and (wherein R1 denotes a hydrogen atom or a methyl group, and R2 denotes an alkyl group having at least 17 carbon atoms) the first radical polymerizable monomer has a particular reactivity ratio.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 30, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taku Shimoda, Keiichiro Tsubaki, Takayuki Hiratani, Akira Kuriyama, Kazumichi Nakahama
  • Patent number: 8450724
    Abstract: A device is provided by use of a helical substituted polyacetylene. The device comprises a structure comprised of a helical substituted polyacetylene having a helical main chain, and a pair of electrodes for applying a voltage or electric current to the structure, wherein the molecule of the helical substituted polyacetylene has a length larger than the distance between the pair of the electrodes.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: May 28, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeyuki Sone, Akira Kuriyama, Koji Yano, Otto Albrecht, Masayoshi Tabata
  • Patent number: 8435899
    Abstract: A microcolumnar structured material having a desired material. The columnar structured material includes columnar members obtained by introducing a filler into columnar holes formed in a porous material. The porous material has the columnar holes formed by removing columnar substances from a structured material in which the columnar substances containing a first component are dispersed in a matrix member containing a second component capable of forming a eutectic with the first component. The matrix member may be removed. In the columnar structured material, the filler is a conductive material, and an electrode can be structured by electrically connecting the conductive materials in at least a part of a plurality of holes to a conductor.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: May 7, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirokatsu Miyata, Albrecht Otto, Akira Kuriyama, Miki Ogawa, Hiroshi Okura, Kazuhiko Fukutani, Tohru Den
  • Patent number: 8408691
    Abstract: The invention provides an ink jet recording ink containing a self-dispersion pigment to a surface of which an anionic functional group represented by the following general formula (1) is bonded directly or through another atomic group, an ammonium salt of an organic carboxylic acid, water, and a water-soluble compound having a hydrophilicity-hydrophobicity coefficient of 0.26 or more as defined by the following equation (A), the ink having a surface tension of 34 mN/m or less, wherein M1 and M2 are, independently of each other, a hydrogen atom, alkali metal, ammonium or organic ammonium; Hydrophilicity-hydrophobicity coefficient=[(Water activity of a 20% aqueous solution)?(Molar fraction of water in the 20% aqueous solution)]/[1?(Molar fraction of water in the 20% aqueous solution)]??(A).
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: April 2, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shoji Koike, Ikuo Nakazawa, Taketoshi Okubo, Akira Kuriyama, Masayuki Ikegami, Atsuhito Yoshizawa