Patents by Inventor Ryo Sakamoto

Ryo Sakamoto 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: 10475184
    Abstract: From a plurality of medical images in time phases, a target site is extracted t least one medical image, a reference point is set on each of a target-site side, and a periphery side of the target site which are on across from each other over an outline of the extracted target site, and movement information for the reference points is calculated.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 12, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Ryo Sakamoto, Koji Sakai, Gakuto Aoyama, Kiyohide Satoh
  • Publication number: 20190270888
    Abstract: The present invention pertains to: an oxidation color developable compound that is represented by general formula (1), that has excellent solubility in water, and that is less affected by a substance coexisting in a sample; and an oxidation color development reagent using the oxidation color developable compound. In general formula (I), R1, R2, R3, and R4 each represent a straight-chain or branched alkyl group having 1-6 carbon atoms, X represents a hydrophilic functional group, and L represents —(CH2)j— (j represents an integer of 2-10), —(CH2CH2O)k— (k represents an integer of 1-10), or —(CH2)m—Z—(CH2)n— (m and n each independently represent an integer of 1-10, and Z represents —N+(CH3)2—, —CONH—, —NHCO—, —COO—, —OCO—, —NHCOO—, —OCONH—, —NHCONH—, and —(CH2NHCO)q—).
    Type: Application
    Filed: February 27, 2018
    Publication date: September 5, 2019
    Applicant: DOJINDO LABORATORIES
    Inventors: Masaki MURAI, Chiaki MATSUMOTO, Ryo SAKAMOTO, Nobuyuki OZEKI, Munetaka ISHIYAMA
  • Publication number: 20190062356
    Abstract: Disclosed is a pH-responsive fluorescent compound, represented by the general formula, which is a novel pH-responsive fluorescent compound capable of being specifically localized in mitochondria within cells, which exhibits strong fluorescence under weakly acidic pH environments in lysosomes, and which is not readily subject to interference from autofluorescence and background fluorescence due to other fluorescent substances within cells. Also disclosed are a composition for detecting mitophagy using the pH-responsive fluorescent compound, and a method for detecting mitophagy within cells. In the general formula, L represents a linker, X represents a pharmaceutically acceptable anion, and Y represents a reactive group that may react with a functional group on a mitochondrial protein to form a covalent bond.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 28, 2019
    Applicant: DOJINDO LABORATORIES
    Inventors: Hidefumi IWASHITA, Ryo SAKAMOTO, Munetaka ISHIYAMA
  • Patent number: 10090568
    Abstract: A battery assembly has excellent performance for sensing temperature by a temperature sensing element. The battery assembly includes a bus bar for electrically connecting the battery or cell units to each other by connecting electrode members provided with the battery or cell unit. The battery assembly further includes a bus bar extension portion extended from the bus bar. The bus-bar extension portion is disposed out of the area between the adjacent electrode members and provided with a temperature sensing or detection element that detects the temperature of the battery or cell unit.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: October 2, 2018
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kentaro Hatta, Ryo Sakamoto
  • Publication number: 20180181828
    Abstract: An information processing apparatus includes an acquisition unit that acquires, in a medical image, a first region and a second region different from the first region, a limiting unit that limits extracting a third region, connecting the first region and the second region, within a range including an extraction direction determined based on the first region; and an extraction unit that extracts the third region within the range limited by the limiting unit.
    Type: Application
    Filed: December 18, 2017
    Publication date: June 28, 2018
    Inventors: Ryo Sakamoto, Masahiro Yakami, Daisuke Furukawa
  • Publication number: 20170309026
    Abstract: From a plurality of medical images in time phases, a target site is extracted t least one medical image, a reference point is set on each of a target-site side, and a periphery side of the target site which are on across from each other over an outline of the extracted target site, and movement information for the reference points is calculated.
    Type: Application
    Filed: September 9, 2015
    Publication date: October 26, 2017
    Inventors: Ryo Sakamoto, Koji Sakai, Gakuto Aoyama, Kiyohide Satoh
  • Publication number: 20170243348
    Abstract: An assistance apparatus for assisting creation of an interpretation report obtains a set of regions of interest, which are determined as regions that were observed, of medical image data of a subject that is displayed as an interpretation target, and a set of described regions, which are regions that correspond to description of an interpretation report about the medical image data of a subject. The assistance apparatus determines consistency between the set of regions of interest and the set of described regions, and lets a display unit display a result of the determination.
    Type: Application
    Filed: August 31, 2015
    Publication date: August 24, 2017
    Inventors: Ryo Sakamoto, Masami Kawagishi, Gakuto Aoyama
  • Publication number: 20150171488
    Abstract: A battery assembly has excellent performance for sensing temperature by a temperature sensing element. The battery assembly includes a bus bar for electrically connecting the battery or cell units to each other by connecting electrode members provided with the battery or cell unit. The battery assembly further includes a bus bar extension portion extended from the bus bar. The bus-bar extension portion is disposed out of the area between the adjacent electrode members and provided with a temperature sensing or detection element that detects the temperature of the battery or cell unit.
    Type: Application
    Filed: June 26, 2013
    Publication date: June 18, 2015
    Inventors: Kentaro Hatta, Ryo Sakamoto
  • Patent number: 8946863
    Abstract: An epitaxial substrate for electronic devices, in which current flows in a lateral direction and of which warpage configuration is properly controlled, and a method of producing the same. The epitaxial substrate for electronic devices is produced by forming a bonded substrate by bonding a low-resistance Si single crystal substrate and a high-resistance Si single crystal substrate together; forming a buffer as an insulating layer on a surface of the bonded substrate on the high-resistance Si single crystal substrate side; and producing an epitaxial substrate by epitaxially growing a plurality of III-nitride layers on the buffer to form a main laminate. The resistivity of the low-resistance Si single crystal substrate is 100 ?·cm or less, and the resistivity of the high-resistance Si single crystal substrate is 1000 ?·cm or more.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: February 3, 2015
    Assignee: Dowa Electronics Materials Co., Ltd.
    Inventors: Tetsuya Ikuta, Daisuke Hino, Ryo Sakamoto, Tomohiko Shibata
  • Patent number: 8904938
    Abstract: A blasting cartridge includes a generally cylindrical blasting container, a blasting substance filled in the blasting container, a pair of leadwires contained in the blasting container, and a single thin metal wire connected to tip portions of the pair of leadwires. The leadwires and the thin metal wire are positioned within the blasting substance within the blasting container. The blasting substance is nitromethane, and the thin metal wire is formed of tungsten. With an electric discharge impact blasting apparatus, since the thin metal wire has a higher heating value than a copper wire because of its higher resistance and vaporizes at higher temperatures, it is possible to obtain a greater blasting force at lower voltages than with a blasting apparatus using a copper wire.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: December 9, 2014
    Assignee: Hitachi Zosen Corporation
    Inventors: Katsuya Sasaki, Hideaki Kitajima, Ryo Sakamoto, Takaaki Ohnishi
  • Patent number: 8710489
    Abstract: To provide an epitaxial substrate for electronic devices, in which current flows in a lateral direction, which enables accurate measurement of the sheet resistance of HEMTs without contact, and to provide a method of efficiently producing the epitaxial substrate for electronic devices, the method characteristically includes the steps of forming a barrier layer against impurity diffusion on one surface of a high-resistance Si-single crystal substrate, forming a buffer as an insulating layer on the other surface of the high-resistance Si-single crystal substrate, producing an epitaxial substrate by epitaxially growing a plurality of III-nitride layers on the buffer to form a main laminate, and measuring resistance of the main laminate of the epitaxial substrate without contact.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: April 29, 2014
    Assignee: Dowa Electronics Materials Co., Ltd.
    Inventors: Tetsuya Ikuta, Daisuke Hino, Ryo Sakamoto, Tomohiko Shibata
  • Publication number: 20130263753
    Abstract: A blasting cartridge includes a generally cylindrical blasting container, a blasting substance filled in the blasting container, a pair of leadwires contained in the blasting container, and a single thin metal wire connected to tip portions of the pair of leadwires. The leadwires and the thin metal wire are positioned within the blasting substance within the blasting container. The blasting substance is nitromethane, and the thin metal wire is formed of tungsten. With an electric discharge impact blasting apparatus, since the thin metal wire has a higher heating value than a copper wire because of its higher resistance and vaporizes at higher temperatures, it is possible to obtain a greater blasting force at lower voltages than with a blasting apparatus using a copper wire.
    Type: Application
    Filed: May 30, 2013
    Publication date: October 10, 2013
    Inventors: Katsuya SASAKI, Hideaki KITAJIMA, Ryo SAKAMOTO, Takaaki OHNISHI
  • Patent number: 8426893
    Abstract: An epitaxial substrate for electronic devices is provided, which can improve vertical breakdown voltage and provides a method of producing the same. The epitaxial substrate includes a conductive SiC single crystal substrate, a buffer as an insulating layer on the SiC single crystal substrate, and a main laminate formed by epitaxially growing a plurality of Group III nitride layers on the buffer. Further, the buffer includes at least an initial growth layer in contact with the SiC single crystal substrate and a superlattice laminate having a superlattice multi-layer structure on the initial growth layer. The initial growth layer is made of a Ba1Alb1Gac1Ind1N material. Furthermore, the superlattice laminate is configured by alternately stacking a first layer made of a Ba2Alb2Gac2Ind2N material and a second layer made of a Ba3Alb3Gac3Ind3N material having a different band gap from the first layer.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: April 23, 2013
    Assignee: Dowa Electronics Materials Co., Ltd.
    Inventors: Tetsuya Ikuta, Jo Shimizu, Tomohiko Shibata, Ryo Sakamoto, Tsuneo Ito
  • Patent number: 8344356
    Abstract: A semiconductor material is provided comprising: a composition graded layer, formed on a Si substrate or an interlayer formed thereon, comprising a composition of AlXGa1-XN graded such that a content ratio of Al in the composition decreases continuously or discontinuously in a crystal growing direction; a superlattice composite layer, formed on the composition graded layer, comprising a high Al-containing layer comprising a composition of AlYGa1-YN and a low Al-containing layer comprising a composition of AlZGa1-ZN that are laminated alternately; and a nitride semiconductor layer formed on the superlattice composite layer.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: January 1, 2013
    Assignees: Dowa Electronics Materials Co., Ltd., National University Corporation Nagoya Institute of Technology
    Inventors: Ryo Sakamoto, Jo Shimizu, Tsuneo Ito, Takashi Egawa
  • Publication number: 20120180684
    Abstract: A blasting cartridge includes a generally cylindrical blasting container, a blasting substance filled in the blasting container, a pair of leadwires contained in the blasting container, and a single thin metal wire connected to tip portions of the pair of leadwires. The leadwires and the thin metal wire are positioned within the blasting substance within the blasting container. The blasting substance is nitromethane, and the thin metal wire is formed of tungsten. With an electric discharge impact blasting apparatus, since the thin metal wire has a higher heating value than a copper wire because of its higher resistance and vaporizes at higher temperatures, it is possible to obtain a greater blasting force at lower voltages than with a blasting apparatus using a copper wire.
    Type: Application
    Filed: September 1, 2010
    Publication date: July 19, 2012
    Inventors: Katsuya Sasaki, Hideaki Kitajima, Ryo Sakamoto, Takaaki Ohnishi
  • Publication number: 20120168719
    Abstract: To provide an epitaxial substrate for electronic devices, in which current flows in a lateral direction, which enables accurate measurement of the sheet resistance of HEMTs without contact, and to provide a method of efficiently producing the epitaxial substrate for electronic devices, the method characteristically includes the steps of forming a barrier layer against impurity diffusion on one surface of a high-resistance Si-single crystal substrate, forming a buffer as an insulating layer on the other surface of the high-resistance Si-single crystal substrate, producing an epitaxial substrate by epitaxially growing a plurality of III-nitride layers on the buffer to form a main laminate, and measuring resistance of the main laminate of the epitaxial substrate without contact.
    Type: Application
    Filed: July 13, 2010
    Publication date: July 5, 2012
    Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Tetsuya Ikuta, Daisuke Hino, Ryo Sakamoto, Tomohiko Shibata
  • Publication number: 20120153440
    Abstract: An epitaxial substrate for electronic devices, in which current flows in a lateral direction and of which warpage configuration is properly controlled, and a method of producing the same. The epitaxial substrate for electronic devices is produced by forming a bonded substrate by bonding a low-resistance Si single crystal substrate and a high-resistance Si single crystal substrate together; forming a buffer as an insulating layer on a surface of the bonded substrate on the high-resistance Si single crystal substrate side; and producing an epitaxial substrate by epitaxially growing a plurality of III-nitride layers on the buffer to form a main laminate. The resistivity of the low-resistance Si single crystal substrate is 100 ?·cm or less, and the resistivity of the high-resistance Si single crystal substrate is 1000 ?·cm or more.
    Type: Application
    Filed: August 2, 2010
    Publication date: June 21, 2012
    Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Tetsuya Ikuta, Daisuke Hino, Ryo Sakamoto, Tomohiko Shibata
  • Publication number: 20120091435
    Abstract: An epitaxial substrate for electronic devices is provided, which can improve vertical breakdown voltage and provides a method of producing the same. The epitaxial substrate includes a conductive SiC single crystal substrate, a buffer as an insulating layer on the SiC single crystal substrate, and a main laminate formed by epitaxially growing a plurality of Group III nitride layers on the buffer. Further, the buffer includes at least an initial growth layer in contact with the SiC single crystal substrate and a superlattice laminate having a superlattice multi-layer structure on the initial growth layer. The initial growth layer is made of a Ba1Alb1Gac1Ind1N material. Furthermore, the superlattice laminate is configured by alternately stacking a first layer made of a Ba2Alb2Gac2Ind2N material and a second layer made of a Ba3Alb3Gac3Ind3N material having a different band gap from the first layer.
    Type: Application
    Filed: May 10, 2010
    Publication date: April 19, 2012
    Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Tetsuya Ikuta, Jo Shimizu, Tomohiko Shibata, Ryo Sakamoto, Tsuneo Ito
  • Patent number: 8115193
    Abstract: A novel vertical resonator type light emitting diode of which has a simplified structure of the reflector layer of its light emitting side an which is resistant to declination of its emission output power towards a high temperature range, has an active layer 5, and a first reflector layer 3 at its light reflecting side and a second reflector layer 9 at its light emitting side which are formed to sandwich the active later 5 between them, wherein each of the first reflector layer 3 and the second reflector layer 9 is structured to comprise a plurality of pairs of two alternate semiconductor layers formed which are different from each other in refractive index, and the second reflector layer 9 has a number of such pairs which is not less than 1/10 and not more than ? of that which said first reflector layer 3 has. The emission output power can be enhanced when the first reflector layer has a number of such pairs which is not less than 11 and not more than 41.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: February 14, 2012
    Assignee: Dowa Electronics Materials Co., Ltd.
    Inventors: Masatoshi Iwata, Ryo Sakamoto
  • Patent number: D863238
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 15, 2019
    Assignee: DOWA Electronics Materials Co., Ltd.
    Inventor: Ryo Sakamoto