Patents by Inventor Hirotaka Yamamoto

Hirotaka Yamamoto 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: 20170274354
    Abstract: A honeycomb structure includes a honeycomb structure body including porous partition walls defining a plurality of cells serving as fluid passages extending from an inflow end face to an outflow end face. The partition walls have a porosity of 45 to 65%; the open frontal area of the pores having an equivalent circle diameter of 10 ?m or more, of the pores open on the surface of each partition wall, is 20 to 50%; the pore density of the pores having an equivalent circle diameter of 10 ?m or more is 200 to 1,000 pores/mm2; the median opening diameter of the pores having an equivalent circle diameter of 10 ?m or more is 40 to 60 ?m; the circularity of the pores having an equivalent circle diameter of 10 ?m or more is 1.8 to 4.0; and the partition walls have a wet area of 16,500 ?m2 or more.
    Type: Application
    Filed: March 16, 2017
    Publication date: September 28, 2017
    Applicant: NGK INSULATORS, LTD.
    Inventors: Hirotaka YAMAMOTO, Yudai KURIMOTO
  • Publication number: 20170274618
    Abstract: A honeycomb structure includes a honeycomb structure body that includes a porous partition wall which defines a plurality of cells serving as through channels of fluid and extending from an inflow end face as one end face to an outflow end face as the other end face, and a circumferential wall arranged on a circumferential surface of the honeycomb structure body. The circumferential wall has a thickness of 0.5 to 4.0 mm, a gap path is formed along a surface of the circumferential wall inside the circumferential wall, the gap path has a width of 0.4 to 4.0 mm, and has a height of 50 to 99% of the thickness of the circumferential wall, and a total length of the gap path is 1000% or more of a length in the cell extending direction of the honeycomb structure body.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 28, 2017
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yudai KURIMOTO, Hirotaka YAMAMOTO, Shogo HIROSE
  • Publication number: 20160318299
    Abstract: A surface treatment liquid for a porous sound-absorbing material, the surface treatment liquid comprising water and a colorant-fixing component, and the colorant-fixing component comprising at least one component selected from the group consisting of cationic water-dispersible resins, inorganic particles having a median size measured by a dynamic light scattering method of less than 1 ?m, and polyvalent metal salts.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 3, 2016
    Inventors: Sayako ARAI, Hirotaka YAMAMOTO
  • Publication number: 20160319142
    Abstract: Disclosed is an aqueous inkjet ink for a humidity-conditioning base material, the ink comprising at least a colorant, a water-dispersible resin and water, and the water-dispersible resin comprising at least one water-dispersible urethane resin and at least one water-dispersible (meth)acrylic resin or water-dispersible styrene/(meth)acrylic resin.
    Type: Application
    Filed: April 7, 2016
    Publication date: November 3, 2016
    Inventors: Sayako ARAI, Hirotaka YAMAMOTO, Ami TERAKADO, Shinji TABUCHI, Yoshihisa MORITA
  • Publication number: 20160319145
    Abstract: Disclosed is an aqueous inkjet ink for a humidity-conditioning base material, the ink comprising water, a water-dispersible resin, a colorant, and at least one surfactant selected from among acetylene glycol-based surfactants and silicone-based surfactants.
    Type: Application
    Filed: April 7, 2016
    Publication date: November 3, 2016
    Inventors: Sayako ARAI, Hirotaka YAMAMOTO, Ami TERAKADO, Shinji TABUCHI, Yoshihisa MORITA
  • Patent number: 9464551
    Abstract: There is disclosed a honeycomb catalyst body including porous partition walls in which a plurality of cells that become through channels of a fluid are defined and formed, and a plurality of pores are formed, wherein a cell density is from 93 to 186 cells/cm2, and onto the partition walls, a catalyst containing the zeolite is loaded in an amount of 100 to 300 g/L, a porosity (A) of the partition walls before the catalyst is loaded thereonto is 50% or more, and a porosity (B) of the partition walls in a state where the catalyst is loaded thereonto is from 0.3 to 0.6 times as much as the porosity (A).
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: October 11, 2016
    Assignee: NGK Insulators, Ltd.
    Inventors: Shogo Hirose, Kazuto Miura, Hirotaka Yamamoto, Fumio Katsube
  • Publication number: 20160288113
    Abstract: A honeycomb structural body 20 comprises a porous partition portion 22 which forms a plurality of cells each functioning as a flow path of a fluid, and in the partition portion 22, the average pore diameter is 10 to 20 ?m, and a wet area rate R (=S/V) which is the rate of a wet area S of pores to a volume V of the partition portion 22 is 0.000239 ?m?1 or more.
    Type: Application
    Filed: March 25, 2016
    Publication date: October 6, 2016
    Inventors: Shogo HIROSE, Hirotaka YAMAMOTO, Shiori NAKAO, Shuji UEDA, Mitsuharu ONO, Satoshi SAKASHITA, Hiroyuki NAGAOKA
  • Publication number: 20160229177
    Abstract: The present invention discloses a method for producing a decorative article which includes a step of performing inkjet printing onto the surface of a humidity-conditioning base material using an aqueous inkjet ink containing at least water, a water-dispersible resin and a colorant, and also discloses a device for producing the decorative article.
    Type: Application
    Filed: November 28, 2014
    Publication date: August 11, 2016
    Inventors: Hirotaka YAMAMOTO, Sayako ARAI, Mamoru SAITO, Ami TERAKADO, Akiko HAYASHI
  • Publication number: 20140376182
    Abstract: Provided is an external structure configured to be attached to or detached from an electronic device having a concave portion formed on a surface of a housing, and a connection connector provided in a position of the concave portion receding from the surface of the housing, the concave portion having a cross-sectional shape enabling locking of the external structure, the external structure including a first fitting unit configured to be fitted to the connection connector.
    Type: Application
    Filed: December 17, 2012
    Publication date: December 25, 2014
    Inventors: Takuya Motoishi, Yuki Kubota, Ryo Yamamoto, Masaaki Kato, Hirotaka Yamamoto, Kazushi Sakuma, Junichi Kanai, Masahiro Takihara
  • Publication number: 20140147342
    Abstract: There is disclosed a honeycomb catalyst body including porous partition walls in which a plurality of cells that become through channels of a fluid are defined and formed, and a plurality of pores are formed, wherein a cell density is from 93 to 186 cells/cm2, and onto the partition walls, a catalyst containing the zeolite is loaded in an amount of 100 to 300 g/L, a porosity (A) of the partition walls before the catalyst is loaded thereonto is 50% or more, and a porosity (B) of the partition walls in a state where the catalyst is loaded thereonto is from 0.3 to 0.6 times as much as the porosity (A).
    Type: Application
    Filed: November 19, 2013
    Publication date: May 29, 2014
    Applicant: NGK INSULATORS, LTD.
    Inventors: Shogo HIROSE, Kazuto MIURA, Hirotaka YAMAMOTO, Fumio KATSUBE
  • Patent number: 8622537
    Abstract: An ink vehicle having a vinyl chloride-vinyl acetate copolymer resin produced by suspension polymerization. In the production of the ink vehicle, the vinyl chloride-vinyl acetate copolymer resin is partially dissolved in a solvent in a state in which an undissolved gel-like component of the vinyl chloride-vinyl acetate copolymer resin is present in the resin. An external force is applied to the solvent containing the gel-like component to dissolve the gel-like component in the solvent.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: January 7, 2014
    Assignee: Seiko I Infotech Inc.
    Inventors: Hirotaka Yamamoto, Keiji Hosoi
  • Publication number: 20130076840
    Abstract: An ink vehicle having a vinyl chloride-vinyl acetate copolymer resin produced by suspension polymerization. In the production of the ink vehicle, the vinyl chloride-vinyl acetate copolymer resin is partially dissolved in a solvent in a state in which an undissolved gel-like component of the vinyl chloride-vinyl acetate copolymer resin is present in the resin. An external force is applied to the solvent containing the gel-like component to dissolve the gel-like component in the solvent.
    Type: Application
    Filed: March 24, 2011
    Publication date: March 28, 2013
    Inventors: Hirotaka Yamamoto, Keiji Hosoi
  • Patent number: 8391019
    Abstract: A connection terminal includes a frame body including first and second support parts positioned to face each other; and a third support part having first and second ends connected to an end of the first support part and an end of the second support part, respectively; first elastic contact pieces provided on the first support part on a first side from which a terminal is to be inserted and having respective first contact parts configured to contact a peripheral surface of the terminal; second elastic contact pieces provided on the second support part on the first side and having respective second contact parts configured to contact the peripheral surface of the terminal and positioned to face the first contact parts; and a third elastic contact piece provided on the frame body on a second side opposite to the first side and configured to contact an end portion of the terminal.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: March 5, 2013
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Masatoshi Kuroda, Toru Yoshino, Eiji Yoshida, Hirotaka Yamamoto
  • Publication number: 20120285243
    Abstract: A rotation measuring device 10 including a proximity switch 14 detecting rotational speed of an object to be measured, a controller 11 receiving pulse signals from the switch 14, and a display 34 connected to the controller 11, the controller 11 including a rotational speed calculation means, the device 10 calculating the rotational speed based on the pulse signals by the rotational speed calculation means and indicating the rotational speed on the display 34, the controller 11 including: a standard rotational speed setting means for setting a measured rotational speed as a standard rotational speed by button operation; an upper and lower limits setting means for setting maximum and minimum rotational speeds based on the standard rotational speed; and a warning signal generating means generating warning signal outputs when the rotational speed is over the maximum rotational speed or below the minimum rotational speed.
    Type: Application
    Filed: July 29, 2011
    Publication date: November 15, 2012
    Applicant: MATSUSHIMA MACHINERY LABORATORY CO., LTD.
    Inventor: Hirotaka Yamamoto
  • Patent number: 8120475
    Abstract: A security-feature-equipped on-vehicle device includes: a vibration detection unit that detects vibration; an alarm sound output unit that outputs a predetermined alarm sound from a speaker; and an alarm sound control unit that going outs from a sleep mode to move into a warning mode when vibration is detected for the first time by the vibration detection unit, causes the alarm sound output unit to output the alarm sound at a predetermined first volume level, shifts from the warning mode into an alarm mode when vibration is detected for the second time within a predetermined time period, and causes the alarm sound output unit to output the alarm sound at a predetermined second volume level higher than the first volume level.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: February 21, 2012
    Assignee: Sony Corporation
    Inventors: Takao Iwamoto, Hyunjin Yoon, Takuma Higo, Hidehiko Chaki, Hirotaka Yamamoto
  • Patent number: 8020963
    Abstract: Provided is a wiping unit capable of reliably removing contamination of ink or the like adhering to a wiping blade after being wiped in spite of a simple configuration. Provided is a wiping unit having a wiping blade that performs wiping cleaning with respect to a recording head, including a first cleaning portion that cleans the wiping blade after performing the wiping cleaning, a second cleaning portion that performs secondary cleaning after passing through the first cleaning portion, and a blade transport portion that allows the wiping blade to move between the recording head, and the first cleaning portion and the second cleaning portion, in which the first cleaning portion and the second cleaning portion respectively include a cleaning tank which is filled with a detergent and in which the wiping blade is soaked in the detergent, and a blade wiping portion having a blade wiping member containing the detergent, which wipes a surface of the wiping blade having passed through the cleaning tank.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: September 20, 2011
    Assignee: Seiko I Infotech Inc.
    Inventors: Hirotaka Yamamoto, Naoki Matsuya
  • Publication number: 20110150840
    Abstract: The present invention relates to the prevention and treatment of a disease, preferably brain cancer, by administration of an isolated DNA molecule comprising a gene encoding a protein having glycosyltransferase activity to a cell involved in the disease which is preferably a glioblastoma cell. A method of treating brain cancer is provided in which a tumor cell is transfected either ex vivo or in vivo with a composition comprising a DNA molecule that encodes a protein having glycosyltransferase activity resulting in inhibition of the growth or function of that cell.
    Type: Application
    Filed: June 3, 2010
    Publication date: June 23, 2011
    Inventors: Joseph R. Moskal, Hirotaka Yamamoto
  • Publication number: 20110058345
    Abstract: A connection terminal includes a frame body including first and second support parts positioned to face each other; and a third support part having first and second ends connected to an end of the first support part and an end of the second support part, respectively; first elastic contact pieces provided on the first support part on a first side from which a terminal is to be inserted and having respective first contact parts configured to contact a peripheral surface of the terminal; second elastic contact pieces provided on the second support part on the first side and having respective second contact parts configured to contact the peripheral surface of the terminal and positioned to face the first contact parts; and a third elastic contact piece provided on the frame body on a second side opposite to the first side and configured to contact an end portion of the terminal.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Inventors: Masatoshi KURODA, Toru YOSHINO, Eiji YOSHIDA, Hirotaka YAMAMOTO
  • Patent number: 7872739
    Abstract: The inner cylindrical body is mounted on the top surface of the rudder-stock; the outer cylindrical body is put on the inner cylindrical body exteriorly; the gudgeon pin provided on the top reverse surface of the outer cylindrical body is inserted into the gudgeon provided on the top surface of the inner cylindrical body; the pin protruded on the top surface of the outer cylindrical body is inserted into the chest fixated to the supports; the rotational movement checking device, that obstructs the pin to rotate, and at the same time, permits it to be displaced in the radial direction, is provided inside the chest; the scale is provided on the outer circumferential surface of the inner cylindrical body; and, the rudder angle detecting optical sensors facing the scale are mounted on the inner circumferential surface of the outer cylindrical body.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: January 18, 2011
    Assignee: Japan Hamworthy & Co., Ltd.
    Inventors: Yukio Tomita, Kenjiro Nabeshima, Takayuki Wakabayashi, Hirotaka Yamamoto
  • Patent number: 7804311
    Abstract: An electronic machine connectable to a different apparatus is disclosed. The electronic machine includes a resistance, a connector to be connected to the different apparatus, and a detecting section that detects one state from multiple states based on the resistance value of the resistance and the resistance value of a resistance included in the different apparatus connected to the connector and controls multiple parameters based on the detected one state.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: September 28, 2010
    Assignee: Sony Corporation
    Inventors: Kenji Irie, Ken Tamayama, Hirotaka Yamamoto