Patents by Inventor Kazushige IDETA

Kazushige IDETA 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: 11945908
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer (A), including: a polycarbonate block (A-1) formed of a repeating unit having a specific structure; and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) in the polycarbonate-polyorganosiloxane copolymer (A) is from more than 40 mass % to 70 mass % or less; (2) the polycarbonate-polyorganosiloxane copolymer has a viscosity-average molecular weight of from 10,000 or more to 23,000 or less; and (3) the polycarbonate-polyorganosiloxane copolymer includes a specific polycarbonate block as the polycarbonate block (A-1).
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 2, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazushige Ideta, Hirotoshi Ishii, Yasuhiro Ishikawa
  • Patent number: 11655326
    Abstract: Provided is a molded body including a polycarbonate-polyorganosiloxane copolymer which contains a polycarbonate block (A-1) formed of a repeating unit having a specific structure and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, and in which the content of the polyorganosiloxane block (A-2) is from 20 mass % or more to 70 mass % or less, wherein the molded body has a durometer hardness of from 25 or more to 72 or less measured with a type D durometer in conformity with JIS K 6253-3:2012.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: May 23, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazushige Ideta, Hirotoshi Ishii, Yasuhiro Ishikawa
  • Publication number: 20220363893
    Abstract: Provided is a molded body, including a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and contains the polyorganosiloxane block (A-2) at a content of from 20 mass % to 70 mass %, and wherein the molded body has a durometer hardness of from 25 to 72, which is measured with a type D durometer in conformity with JIS K 6253-3:2012.
    Type: Application
    Filed: June 30, 2020
    Publication date: November 17, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kazushige IDETA, Yasuhiro ISHIKAWA, Hirotoshi ISHII
  • Publication number: 20220363839
    Abstract: Provided is a polycarbonate-based resin composition including: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) is from more than 40 mass % to 70 mass % or less; (2) the copolymer has a viscosity-average molecular weight of from 10,000 to 23,000; and (3) the copolymer contains a specific polycarbonate block as the polycarbonate block (A-1).
    Type: Application
    Filed: June 30, 2020
    Publication date: November 17, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kazushige IDETA, Yasuhiro ISHIKAWA, Hirotoshi ISHII
  • Publication number: 20200407499
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer (A), including: a polycarbonate block (A-1) formed of a repeating unit having a specific structure; and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) in the polycarbonate-polyorganosiloxane copolymer (A) is from more than 40 mass % to 70 mass % or less; (2) the polycarbonate-polyorganosiloxane copolymer has a viscosity-average molecular weight of from 10,000 or more to 23,000 or less; and (3) the polycarbonate-polyorganosiloxane copolymer includes a specific polycarbonate block as the polycarbonate block (A-1).
    Type: Application
    Filed: December 27, 2018
    Publication date: December 31, 2020
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kazushige IDETA, Hirotoshi ISHII, Yasuhiro ISHIKAWA
  • Publication number: 20200317846
    Abstract: Provided is a molded body including a polycarbonate-polyorganosiloxane copolymer which contains a polycarbonate block (A-1) formed of a repeating unit having a specific structure and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, and in which the content of the polyorganosiloxane block (A-2) is from 20 mass % or more to 70 mass % or less, wherein the molded body has a durometer hardness of from 25 or more to 72 or less measured with a type D durometer in conformity with JIS K 6253-3:2012.
    Type: Application
    Filed: December 27, 2018
    Publication date: October 8, 2020
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kazushige IDETA, Hirotoshi ISHII, Yasuhiro ISHIKAWA
  • Patent number: 9425411
    Abstract: To provide an organic electroluminescent element that can attain efficiency improvement by forming an electron injection layer by a film that is stable and excellent in uniformity, and forming a charge generation layer capable of effectively exhibiting the function. In an organic electroluminescent element provided with at least one organic layer between a pair of electrodes, an electron injection layer comprising a ZnO-containing layer, and a charge generation layer containing an electron acceptor-containing film in contact with the cathode side thereof and an electron donor-containing film adjacent thereto are formed.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: August 23, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY
    Inventors: Yong-Jin Pu, Takayuki Chiba, Junji Kido, Sei Satoh, Kazushige Ideta
  • Publication number: 20160020406
    Abstract: To provide an organic electroluminescent element that can attain efficiency improvement by forming an electron injection layer by a film that is stable and excellent in uniformity, and forming a charge generation layer capable of effectively exhibiting the function. In an organic electroluminescent element provided with at least one organic layer between a pair of electrodes, an electron injection layer comprising a ZnO-containing layer, and a charge generation layer containing an electron acceptor-containing film in contact with the cathode side thereof and an electron donor-containing film adjacent thereto are formed.
    Type: Application
    Filed: February 15, 2013
    Publication date: January 21, 2016
    Inventors: Yong-Jin PU, Takayuki CHIBA, Junji KIDO, Sei SATOH, Kazushige IDETA