Patents by Inventor Wataru Ishikawa

Wataru Ishikawa 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: 10604279
    Abstract: To provide a propellant tank such as a fuel tank and an oxidant tank for a spacecraft, the propellant tank discharging propellant such as liquid hydrogen and liquid oxygen accumulated therein toward a rocket engine by pressurizing an inside thereof by operating gas. The propellant tank includes a tank body that accumulates therein the propellant in a liquid state, and a holding container that is provided inside the tank body and disposed with a predetermined gap from an inner wall of the tank body, so that the propellant in a liquid state can be held therein, when the inside of the tank body is in a microgravity state or a zero-gravity state.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: March 31, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Keitaro Ishikawa, Taichi Aoyama, Kiyoshi Kinefuchi, Koichi Okita, Wataru Sarae
  • Publication number: 20200071124
    Abstract: A movement-distance measuring apparatus is provided with: an antenna, a phase detection circuit, a phase-shift calculation circuit, and a movement-distance calculation circuit. The antenna transmits a radio wave toward a plurality of reflectors arranged at constant intervals along a moving path of a moving object, and receives a reflected wave from the reflectors. The phase detection circuit detects a phase of the reflected wave received by the antenna. The phase-shift calculation circuit calculates a phase shift based on the phase detected by the phase detection circuit. The movement-distance calculation circuit calculates a movement distance of the moving object, based on the phase shift calculated by the phase-shift calculation circuit, and based on the interval of the reflectors.
    Type: Application
    Filed: January 12, 2018
    Publication date: March 5, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroshi TAGUCHI, Kota SADAMOTO, Wataru TSUJITA, Yoshitsugu SAWA, Masahiro ISHIKAWA
  • Publication number: 20200017821
    Abstract: Provided are a functional microbial material and a method for producing a fermentation product, wherein the functional microbial material and the fermentation product are environment-friendly and improve the quality of crops. The present invention relates to a microbial material and a method for producing a fermentation product wherein the microbial material and the fermentation product are obtained by fermentation of a fermentation raw material including a plant-derived raw material and an animal-derived raw material using a population of microorganisms including a plurality of species of thermophilic microorganisms, and lead to a remedy for soil and water pollution and to the inhibition of greenhouse gas generation, as well as contribute to improvements in the functionality of plants, particularly the expression of genes involved in biophylaxis and resistant to high-temperature disorder, and an increase in antioxidant components.
    Type: Application
    Filed: July 25, 2019
    Publication date: January 16, 2020
    Inventors: Hirokuni Miyamoto, Kiroaki Kodama, Hisashi Miyamoto, Takumi Nishiuchi, Kazuto Ishikawa, Kazuo Ogawa, Toshiyuki Ito, Takuya KAMITAI, Kenshiro Oshima, Wataru Suda, Masahira Hattori
  • Publication number: 20150125679
    Abstract: The present invention is to provide a gas barrier film which has a high barrier property, excellent bending resistance and smoothness and suitability for cutting process, a manufacturing method for the same, and an electronic device using the gas barrier film. A gas barrier film having a base, a first barrier layer formed on the surface of the base by a vapor growth method, a second barrier layer formed by a conversion treatment of a coating film formed by coating the surface of the first barrier layer with a first silicon compound, and a protective layer having no barrier property which is formed by a conversion treatment of a coating film formed by coating the surface of the second barrier layer with a second silicon compound.
    Type: Application
    Filed: May 14, 2013
    Publication date: May 7, 2015
    Inventor: Wataru Ishikawa
  • Patent number: 8916406
    Abstract: Disclosed is an organic electroluminescence device which can be stably produced by a wet process and exhibits enhanced external quantum efficiency and reduced coating unevenness and a production method thereof. Specifically, disclosed is a method of producing the organic electroluminescence device comprising at least a layer, which is formed by a wet process comprising of coating a solution of an organic material dissolved in a solvent to form a liquid layer, followed by removal of the solvent by blowing air to form the layer, wherein the relative drying rate of the solvent to butyl acetate is from 1 to 1000, (based on the drying rate of butyl acetate being 100), the thickness of the formed liquid layer is from 1 to 100 ?m, a air-blowing rate is from 0.1 to 5 m/s and the time between completion of coating and start of blowing is from 0 to 60 sec.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: December 23, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Wataru Ishikawa, Tadashi Sekiguchi
  • Patent number: 8764170
    Abstract: Disclosed is an inkjet recording method wherein an image is formed on a recording medium by spraying an ink containing at least a photopolymerizable compound onto the recording medium through a nozzle of an inkjet head. This inkjet recording method enables to perform a stable image recording by suppressing formation of a precipitate in the head. This inkjet recording method is characterized in that in an inkjet head, which is used for forming an image on a recording medium by spraying an inkjet ink containing at least a photopolymerizable compound through a nozzle, the surface of at least a part of metals constituting the internal member of the inkjet head which is in contact with the inkjet ink is subjected to a passivation treatment or an insulation coating treatment.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: July 1, 2014
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Wataru Ishikawa
  • Publication number: 20140127518
    Abstract: A water vapor barrier film that has high water vapor barrier performance, and further is excellent in water resistance, heat resistance, transparency, and smoothness; and a method for producing the same; and an electronic equipment using the same are provided. A water vapor barrier film containing at least one water vapor barrier layer, and at least one protective layer, on a base material having gas permeability, wherein the water vapor barrier layer is a layer formed by applying a coating liquid containing polysilazane, drying the applied coating liquid to form a film, and then by irradiating the film with vacuum ultraviolet light, and the protective layer is a layer formed by applying a coating liquid containing polysilozane, drying the applied coating liquid to form a film, and then by irradiating the film with vacuum ultraviolet light.
    Type: Application
    Filed: June 7, 2012
    Publication date: May 8, 2014
    Applicant: Konica Minolta , Inc.
    Inventor: Wataru Ishikawa
  • Publication number: 20110253990
    Abstract: Disclosed is an organic electroluminescence device which can be stably produced by a wet process and exhibits enhanced external quantum efficiency and reduced coating unevenness and a production method thereof. Specifically, disclosed is a method of producing the organic electroluminescence device comprising at least a layer, which is formed by a wet process comprising of coating a solution of an organic material dissolved in a solvent to form a liquid layer, followed by removal of the solvent by blowing air to form the layer, wherein the relative drying rate of the solvent to butyl acetate is from 1 to 1000, (based on the drying rate of butyl acetate being 100), the thickness of the formed liquid layer is from 1 to 100 ?m, a air-blowing rate is from 0.1 to 5 m/s and the time between completion of coating and start of blowing is from 0 to 60 sec.
    Type: Application
    Filed: January 14, 2010
    Publication date: October 20, 2011
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Wataru Ishikawa, Tadashi Sekiguchi
  • Patent number: 7950795
    Abstract: An ink-jet recording device which is equipped with a recording head to eject one type or plural types of inks containing a photo-curable component onto a recording medium and a light irradiation device to cure the ink by irradiating light onto the ink having deposited on the recording medium, wherein ink quantity cured by one time light irradiation is not less than 5 g/m2, and an amount of a photo-polymerization initiator in the ink is not more than 5 weight % based on the total weight of the ink.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: May 31, 2011
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Wataru Ishikawa, Atsushi Nakajima
  • Publication number: 20100079566
    Abstract: Disclosed is an inkjet recording method wherein an image is formed on a recording medium by spraying an ink containing at least a photopolymerizable compound onto the recording medium through a nozzle of an inkjet head. This inkjet recording method enables to perform a stable image recording by suppressing formation of a precipitate in the head. This inkjet recording method is characterized in that in an inkjet head, which is used for forming an image on a recording medium by spraying an inkjet ink containing at least a photopolymerizable compound through a nozzle, the surface of at least a part of metals constituting the internal member of the inkjet head which is in contact with the inkjet ink is subjected to a passivation treatment or an insulation coating treatment.
    Type: Application
    Filed: January 25, 2008
    Publication date: April 1, 2010
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventor: Wataru Ishikawa
  • Patent number: 7654099
    Abstract: An air conditioner has an air conditioning unit for conditioning air to be introduced into a passenger compartment. The air conditioning unit has an air passage, an air conditioning case defining at least a part of the air passage and a noise absorbing member having a multi-layer structure. The noise absorbing member defines at least a part of the air passage. The noise absorbing member has an unbreathable middle layer, a first noise absorbing layer on an inner side of the middle layer and a second noise absorbing layer on an outer side of the middle layer. The second noise absorbing layer has a hardness greater than that of the first noise absorbing layer to maintain the shape of the noise absorbing member. Also, an air conditioner duct is formed of the multi-layer structure.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: February 2, 2010
    Assignees: Denso Corporation, Sekiso Corporation
    Inventors: Satoshi Mizutani, Hironobu Murakami, Toshihiko Muraki, Hiroyuki Yamagishi, Wataru Ishikawa
  • Publication number: 20100007708
    Abstract: The actinic ray curable composition has a radically, photopolymerizable compound, and a non-reactive compound having a viscosity at 25° C. of from 0.1 to 20 mPa·s and a boiling point of not less than 150° C.
    Type: Application
    Filed: September 18, 2009
    Publication date: January 14, 2010
    Applicant: Konica Minolta Medical & Graphic, Inc.
    Inventor: Wataru ISHIKAWA
  • Patent number: 7604343
    Abstract: Disclosed are and actinic ray curable composition comprising, as a photopolymerizable compound, both an oxetane compound with an oxetane ring and an epoxy compound, and a non-reactive compound having a viscosity at 25° C. of from 0.1 to 20 mPa·s and a boiling point of not less than 150° C.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: October 20, 2009
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Wataru Ishikawa
  • Publication number: 20090117286
    Abstract: An actinic ray curable composition comprising a radical polymerizing monomer, wherein the radical polymerizing monomer contains a mono-functional monomer, a content of which is not less than 5 weight % and not more than 30 weight %, and further contains a silicone-containing compound or a fluorine-containing compound.
    Type: Application
    Filed: May 16, 2006
    Publication date: May 7, 2009
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventor: Wataru Ishikawa
  • Patent number: 7473718
    Abstract: An actinic ray curable composition is disclosed, comprising and oxetane ring-containing compound and an epoxy compound, in which the oxetane ring-containing compound comprises a compound containing a single oxetane ring and a compound containing at least two oxetane rings, and the compound containing a single oxetane ring accounting for 1% to 20% by weight if the composition. There are also disclosed an ink for use in ink jet printing and an image forming method by use thereof.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: January 6, 2009
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Wataru Ishikawa
  • Publication number: 20080055379
    Abstract: An ink-jet recording device which is equipped with a recording head to eject one type or plural types of inks containing a photo-curable component onto a recording medium and a light irradiation device to cure the ink by irradiating light onto the ink having deposited on the recording medium, wherein ink quantity cured by one time light irradiation is not less than 5 g/m2, and an amount of a photo-polymerization initiator in the ink is not more than 5 weight % based on the total weight of the ink.
    Type: Application
    Filed: November 18, 2005
    Publication date: March 6, 2008
    Inventors: Wataru Ishikawa, Atsushi Nakajima
  • Patent number: 7265834
    Abstract: A thin polarizer array and a wavelength plate array that are composed of micro regions having different optical axis directions and wavelength characteristics and having a high extinction ratio and a low insertion loss, and a polarization analyzer using them. An array of micro periodic grooves is formed on a substrate, with the directions changed from one region to another. An alternating multilayer film formed by bias sputtering alternating a layer of high refractive index material such as Si or Ta2O5 and a layer of low refractive index material such as SiO2. By selecting a condition that each layer maintains its periodic projecting/recessed shape, an array of photonic crystal polarizer is formed. By mounting this array of photonic crystal polarizer in a photodetector array, a polarization analyzer that is small, has no movable part, has a small number of components, and enables high-precision measurement is constituted.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: September 4, 2007
    Assignee: Autocloning Technology Ltd.
    Inventors: Shojiro Kawakami, Takashi Sato, Takayuki Kawashima, Wataru Ishikawa
  • Publication number: 20070128998
    Abstract: An air conditioner has an air conditioning unit for conditioning air to be introduced into a passenger compartment. The air conditioning unit has an air passage, an air conditioning case defining at least a part of the air passage and a noise absorbing member having a multi-layer structure. The noise absorbing member defines at least a part of the air passage. The noise absorbing member has an unbreathable middle layer, a first noise absorbing layer on an inner side of the middle layer and a second noise absorbing layer on an outer side of the middle layer. The second noise absorbing layer has a hardness greater than that of the first noise absorbing layer to maintain the shape of the noise absorbing member. Also, an air conditioner duct is formed of the multi-layer structure.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 7, 2007
    Applicants: DENSO Corporation, Sekiso Corporation
    Inventors: Satoshi Mizutani, Hironobu Murakami, Toshihiko Muraki, Hiroyuki Yamagishi, Wataru Ishikawa
  • Patent number: 7136217
    Abstract: The optical element includes photonic crystals respectively having different optical characteristics. These photonic crystals are formed in a plurality of regions on a single substrate. The optical element has a structure in which two or more kinds of media are nearly periodically deposited on one-dimensionally periodical grooves. Further, the grooves are different in direction according to locations on the deposited surface. A variety of optical elements each having different dependencies on polarization according to locations can be obtained. That is, portions or zones different in optical characteristics can be integrated on a single substrate.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: November 14, 2006
    Inventors: Shojiro Kawakami, Takayuki Kawashima, Wataru Ishikawa, Takashi Sato
  • Patent number: 7108366
    Abstract: An image recording method includes: jetting light curable ink on a recording medium by a recording head of an inkjet type; irradiating light from a light source toward the recording medium; and curing the light curable ink to form an image, wherein at least one of light intensity of the light source and light curability of the light curable ink is adjusted so as to make viscosity increase rate of the light curable ink not less than 20% after the light source irradiates the light directly toward the light curable ink for a first predetermined time period; and light intensity at a jetted surface of the recording head is adjusted so as to make the viscosity increase rate of the light curable ink from 5% to 30% after light having the light intensity at the jetted surface is irradiated toward the light curable ink for a second predetermined time period.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: September 19, 2006
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Wataru Ishikawa