Patents by Inventor Yasuhiro Ishikawa

Yasuhiro 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: 10450422
    Abstract: Provided is a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A) containing a specific polycarbonate block (A-1) and a specific polyorganosiloxane block (A-2); and an aromatic polycarbonate-based resin (B) except the copolymer (A), the polycarbonate-based resin composition having a structure in which a domain (d-1) containing the polyorganosiloxane block (A-2) is present in a matrix containing the resin (B) as a main component, and a domain (d-2) containing at least one selected from a block derived from the aromatic polycarbonate-based resin (B) and the polycarbonate block (A-1) is present inside the domain (d-1).
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: October 22, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko Abe, Yasuhiro Ishikawa, Makoto Ando, Hiroshi Yamaguchi
  • Publication number: 20190309905
    Abstract: A low-temperature tank includes a container main body. The container main body includes a metal liner forming a storage space and a wall member formed of carbon fiber reinforced plastic wound on an outer peripheral surface of the metal liner. The metal liner includes a bent portion that extends in two directions intersecting each other on a surface thereof and that is bent to project toward the storage space.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 10, 2019
    Applicant: IHI Corporation
    Inventors: Yasuhiro ISHIKAWA, Hatsuo MORI
  • Patent number: 10239993
    Abstract: Provided is a branched polycarbonate resin, including a constituent unit represented by the general formula (I?).
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: March 26, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumi Nakayama, Koichi Suga, Yasuhiro Ishikawa
  • Publication number: 20190071539
    Abstract: Provided is a polyorganosiloxane, wherein a value obtained by integrating dw/d log(M) from 2.5?log(M)?3.
    Type: Application
    Filed: November 6, 2018
    Publication date: March 7, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE
  • Publication number: 20190032605
    Abstract: An electric power-assisted liquid-propellant rocket propulsion system includes: a pre-burner for generating combustion gas of a fuel and an oxidant; a main combustor for burning mixed gas of the fuel and the combustion gas discharged from the pre-burner; a turbopump including a turbine rotated by a flow of the combustion gas and a first pump and a second pump driven by a rotation of the turbine, the turbopump supplying the fuel from a fuel tank to the pre-burner and supplying the oxidant from an oxidant tank to the pre-burner and the main combustor; an electric motor for rotating the turbine before combustion of the pre-burner and the main combustor; and a clutch for connecting the electric motor and the turbine and releasing the connection between the electric motor and the turbine.
    Type: Application
    Filed: October 1, 2018
    Publication date: January 31, 2019
    Applicant: IHI CORPORATION
    Inventors: Hiroyuki SAKAGUCHI, Hatsuo Mori, Yasuhiro Ishikawa, Koichi Miyoshi
  • Patent number: 10189942
    Abstract: Provided is a polyorganosiloxane, wherein a value obtained by integrating dw/d log(M) from 2.5?log(M)?3.1 is 0 to 10% of a value obtained by integrating dw/d log(M) over the entire range of log (M) in a differential molecular weight distribution curve, wherein the differential molecular weight distribution curve is determined by gel permeation chromatography using the polystyrene calibration curve, has an x-axis showing a logarithmic value log(M) of a molecular weight M and has a y-axis showing dw/d log(M) obtained by differentiating a concentration fraction w with respect to the logarithmic value log(M) of the molecular weight.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: January 29, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro Ishikawa, Tomoko Abe
  • Publication number: 20180355177
    Abstract: Provided is a method of producing a polycarbonate-based resin composition, comprising using a polycarbonate-based resin containing a polycarbonate-polyorganosiloxane copolymer (A) as a raw material, and the step incorporating at least one of a styrene-based resin (B), a flame retardant (C), a flame retardant aid (D), and an inorganic filler (E) into the resin, wherein the copolymer having the following features: the copolymer has a specific polycarbonate block (A-1) and a specific polyorganosiloxane block (A-2); and in a differential molecular weight distribution curve obtained from measurement of the polyorganosiloxane block (A-2) by gel permeation chromatography using the polystyrene calibration curve, the curve having the axis of abscissa indicating a logarithmic value log(M) of a molecular weight M and the axis of ordinate indicating dw/d log(M) obtained by differentiating a concentration fraction w with respect to the logarithmic value log(M) of the molecular weight, (1) a dw/d log(M) value becomes maxim
    Type: Application
    Filed: May 24, 2016
    Publication date: December 13, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Aki Yamada, Yasuhiro Ishikawa
  • Publication number: 20180355178
    Abstract: Provided is a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A-1) which contains a specific repeating unit and in which a polyorganosiloxane block has an average chain length of 20 or more and less than 60; a polycarbonate-polyorganosiloxane copolymer (A-2) which contains a specific repeating unit and in which a polyorganosiloxane block has an average chain length of 60 or more and less than 500; and a polycarbonate-based resin (A-3) except the polycarbonate-polyorganosiloxane copolymer (A-1) and the polycarbonate-polyorganosiloxane copolymer (A-2), wherein the ratio of the polycarbonate-based resin (A-3) to the total weight of the polycarbonate-polyorganosiloxane copolymer (A-1), the polycarbonate-polyorganosiloxane copolymer (A-2), and the polycarbonate-based resin (A-3) is 10 mass % or more.
    Type: Application
    Filed: December 13, 2016
    Publication date: December 13, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Aki YAMADA, Yasuhiro ISHIKAWA
  • Publication number: 20180354416
    Abstract: A vehicle interior light control system that controls the state concerning a vehicle interior light mounted to a vehicle includes a lighting state control part that gradually changes the vehicle interior light from a first state to a second state different from the first state, and a time adjustment part that adjusts time required for a state change from the first state to the second state made by the lighting state control part. The vehicle interior light control system further includes a pattern storage unit in which a pattern of change in the vehicle interior light from the first state to the second state is stored. The lighting state control part changes the state of the vehicle interior light in accordance with the pattern stored in the pattern storage unit.
    Type: Application
    Filed: May 21, 2018
    Publication date: December 13, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yasuhiro ISHIKAWA, Yuzo YAMANISHI, Isamu KUMANO, Genta YAMANE
  • Patent number: 10072611
    Abstract: A gas generator includes an injector that injects a fuel and an oxidizer, and a combustor that mixes and burns the fuel and the oxidizer injected from the injector. The injector includes a plurality of injection elements arranged on a face plate. Each of the injection elements includes unlike-impingement type injection nozzles that inject the fuel and the oxidizer toward a combustion point in front of the face plate, and injection nozzles that inject fuel for dilution to a dilution point DP forward further than the combustion point.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: September 11, 2018
    Assignee: IHI Corporation
    Inventors: Kohei Taya, Yasuhiro Ishikawa
  • Publication number: 20180251636
    Abstract: Provided is a method of producing a polycarbonate-polyorganosiloxane copolymer, including a step (Q) of causing a polycarbonate oligomer and at least one of polyorganosiloxanes represented by the following general formulae (i) to (iii) to react with each other in an organic solvent, in which in the step, a solid content weight x (g/L) of the polycarbonate oligomer in 1 L of a mixed solution of the organic solvent and the polycarbonate oligomer, a concentration y (mass %) of the polyorganosiloxane in the polycarbonate-polyorganosiloxane copolymer to be obtained, and a chain length n of the polyorganosiloxane satisfy specific conditions.
    Type: Application
    Filed: August 29, 2016
    Publication date: September 6, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko ABE, Yasuhiro ISHIKAWA, Yohei KOORI, Masaru NAKAGAWA
  • Publication number: 20180251606
    Abstract: Provided is a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A) containing a specific polycarbonate block (A-1) and a specific polyorganosiloxane block (A-2); and an aromatic polycarbonate-based resin (B) except the copolymer (A), the polycarbonate-based resin composition having a structure in which a domain (d-1) containing the polyorganosiloxane block (A-2) is present in a matrix containing the resin (B) as a main component, and a domain (d-2) containing at least one selected from a block derived from the aromatic polycarbonate-based resin (B) and the polycarbonate block (A-1) is present inside the domain (d-1).
    Type: Application
    Filed: August 29, 2016
    Publication date: September 6, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko ABE, Yasuhiro ISHIKAWA, Makoto ANDO, Hiroshi YAMAGUCHI
  • Patent number: 10059832
    Abstract: Provided is a method of producing a polyorganosiloxane, including bringing a polyorganosiloxane produced by using a transition metal-based catalyst into contact with an adsorbent having an average pore diameter of 1,000 ? or less.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: August 28, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko Abe, Yasuhiro Ishikawa
  • Publication number: 20180237609
    Abstract: Provided is a polycarbonate-based resin composition containing a polycarbonate-based resin containing a predetermined polycarbonate-polyorganosiloxane copolymer, and 0.5 to 5 parts by mass of a white pigment with respect to 100 parts by mass of the polycarbonate-based resin, in which the molecular weight distribution of a polyorganosiloxane block in the polycarbonate-polyorganosiloxane copolymer is controlled within a specific region.
    Type: Application
    Filed: March 11, 2016
    Publication date: August 23, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Aki YAMADA, Yusuke AOKI
  • Publication number: 20180171108
    Abstract: Provided is a polycarbonate-based resin composition, including 0.
    Type: Application
    Filed: May 24, 2016
    Publication date: June 21, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Aki Yamada, Yasuhiro Ishikawa
  • Publication number: 20180127542
    Abstract: Provided is a polycarbonate-based resin composition, including: 10 to 90 mass % of a polycarbonate-polyorganosiloxane copolymer (E-1); and 10 to 90 mass % of an aromatic polycarbonate resin (E-2) except the polycarbonate-polyorganosiloxane copolymer (E-1), in which the molecular weight distribution of the polyorganosiloxane block of the polycarbonate-polyorganosiloxane copolymer is controlled within a specific region.
    Type: Application
    Filed: March 29, 2016
    Publication date: May 10, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Aki YAMADA, Yasuhiro ISHIKAWA
  • Publication number: 20180057661
    Abstract: Provided is a polycarbonate-based resin composition containing a polycarbonate-based resin containing a polycarbonate-polyorganosiloxane copolymer, and 0.01 to 1.0 part by mass of a UV absorber with respect to 100 parts by mass of the polycarbonate-based resin, in which the molecular weight distribution of a polyorganosiloxane block in the polycarbonate-polyorganosiloxane copolymer is controlled within a specific region.
    Type: Application
    Filed: March 29, 2016
    Publication date: March 1, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Aki YAMADA, Yasuhiro ISHIKAWA
  • Patent number: 9850351
    Abstract: Provided are a polycarbonate-polyorganosiloxane copolymer having a carbon tetrachloride concentration of less than 4 ppm by mass, and the following production method for producing the polycarbonate-polyorganosiloxane copolymer.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: December 26, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yukiko Nagao, Yasuhiro Ishikawa, Hiroaki Motegi
  • Publication number: 20170321003
    Abstract: Provided is a branched polycarbonate resin, including a constituent unit represented by the general formula (I?).
    Type: Application
    Filed: October 27, 2015
    Publication date: November 9, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumi NAKAYAMA, Koichi SUGA, Yasuhiro ISHIKAWA
  • Publication number: 20170114184
    Abstract: Provided is a polyorganosiloxane, wherein a value obtained by integrating dw/dlog(M) from 2.5?log(M)?3.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 27, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE