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: 10717845
    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: Grant
    Filed: March 11, 2016
    Date of Patent: July 21, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro Ishikawa, Aki Yamada, Yusuke Aoki
  • Patent number: 10604068
    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: Grant
    Filed: May 21, 2018
    Date of Patent: March 31, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Yasuhiro Ishikawa, Yuzo Yamanishi, Isamu Kumano, Genta Yamane
  • Patent number: 10550229
    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: February 4, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko Abe, Yasuhiro Ishikawa, Makoto Ando, Hiroshi Yamaguchi
  • Publication number: 20200010671
    Abstract: Provided is a polycarbonate-based resin composition, including: 50 mass % or more to 99 mass % or less of a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) containing a polycarbonate block (A-1) formed of a specific repeating unit and a polyorganosiloxane block (A-2) containing a specific repeating unit, and an aromatic polycarbonate-based resin (B) except the polycarbonate-polyorganosiloxane copolymer (A); and 1 mass % or more to 50 mass % or less of a polyester-based resin (C), wherein the polyorganosiloxane block (A-2) has an average chain length of from 50 or more to 500 or less.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Yohei KOORI
  • Publication number: 20200010672
    Abstract: A polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and a styrene-based resin blended into the polycarbonate-based resin, wherein a ratio of the polycarbonate-based resin in 100 mass % of a total amount of the polycarbonate-based resin and the styrene-based resin is from 50 mass % or more to 99 mass % or less: (1) the polycarbonate-based resin contains a polycarbonate-polyorganosiloxane copolymer containing a polycarbonate block formed of a specific repeating unit and a polyorganosiloxane block containing a specific repeating unit, and an aromatic polycarbonate-based resin except the polycarbonate-polyorganosiloxane copolymer; and (2) the polycarbonate-based resin has a structure in which a domain containing the polyorganosiloxane block is present in a matrix containing the aromatic polycarbonate-based resin as a main component, and a domain containing at least one selected from a block derived from the aromatic polycarbonate-based resin and the
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Yohei KOORI
  • Publication number: 20200010615
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
  • Publication number: 20200010614
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
  • Publication number: 20200010681
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
  • Publication number: 20200010683
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Takafumi AKIMOTO
  • Publication number: 20200010641
    Abstract: A flame-retardant polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and a flame retardant, wherein the flame retardant is in an amount of from 0.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro ISHIKAWA, Tomoko ABE, Yohei KOORI
  • Patent number: 10494487
    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: December 3, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko Abe, Yasuhiro Ishikawa, Makoto Ando, Hiroshi Yamaguchi
  • Patent number: 10472518
    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: Grant
    Filed: August 29, 2016
    Date of Patent: November 12, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko Abe, Yasuhiro Ishikawa, Yohei Koori, Masaru Nakagawa
  • 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: 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