Patents by Inventor Toshio Isozaki

Toshio Isozaki 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: 20240294763
    Abstract: The present invention provides: [1] a polycarbonate-based resin composition including: a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) including a specific structural unit; and a polyester-based resin (B); and [2] a molded body including the polycarbonate-based resin composition according to the above-mentioned item [1].
    Type: Application
    Filed: June 8, 2022
    Publication date: September 5, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Minoru YABUKAMI, Yuto HANIOKA, Nobuhiro WATANABE, Toshio ISOZAKI
  • Publication number: 20240294706
    Abstract: The present invention provides: [1] a polycarbonate-based resin composition including: a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) including a specific structural unit; and a UV absorber (B); and [2] a molded body including the polycarbonate-based resin composition according to the above-mentioned item [1].
    Type: Application
    Filed: June 8, 2022
    Publication date: September 5, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Minoru YABUKAMI, Yuto HANIOKA, Nobuhiro WATANABE, Toshio ISOZAKI
  • Publication number: 20240287251
    Abstract: The present invention provides: [1] a polycarbonate-based resin composition including: a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) including a specific structural unit; and a flame retardant (B); and [2] a molded body including the polycarbonate-based resin composition according to the above-mentioned item [1].
    Type: Application
    Filed: June 8, 2022
    Publication date: August 29, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Minoru YABUKAMI, Yuto HANIOKA, Nobuhiro WATANABE, Toshio ISOZAKI
  • Publication number: 20240287258
    Abstract: The present invention provides: [1] a polycarbonate-based resin composition including: a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) including a specific structural unit; and a release agent (B); and [2] a molded body including the polycarbonate-based resin composition according to the above-mentioned item [1].
    Type: Application
    Filed: June 8, 2022
    Publication date: August 29, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Minoru YABUKAMI, Yuto HANIOKA, Nobuhiro WATANABE, Toshio ISOZAKI
  • Publication number: 20240279392
    Abstract: The present invention provides: [1] a polycarbonate-based resin composition including: a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) including a specific structural unit; and an inorganic filler (B); and [2] a molded body including the polycarbonate-based resin composition according to the above-mentioned item [1].
    Type: Application
    Filed: June 8, 2022
    Publication date: August 22, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Minoru YABUKAMI, Yuto HANIOKA, Nobuhiro WATANABE, Toshio ISOZAKI
  • Publication number: 20240239962
    Abstract: The present invention provides: [1] a polycarbonate-based resin composition including: a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) including a specific structural unit; and an elastomer (B); and [2] a molded body including the polycarbonate-based resin composition according to the above-mentioned item [1].
    Type: Application
    Filed: June 8, 2022
    Publication date: July 18, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Minoru YABUKAMI, Yuto HANIOKA, Nobuhiro WATANABE, Toshio ISOZAKI
  • Patent number: 11913617
    Abstract: An internal part for a lighting tool for a vehicle, including: an entering portion for light; an emitting portion for light; and a light-guiding portion to guide the light from the entering portion to the emitting portion, the part being arranged at a distance of 5 mm or less from a light source, wherein the part is a molded body formed of a resin composition, wherein a 5-millimeter thick plate, obtained by subjecting the resin composition to injection molding at a cylinder temperature of 260° C., a die temperature of 80° C., a cycle time of 50 seconds, and a retention time of 230 seconds, a total light transmittance of 80% or more, and a ratio (X/Y) of a spectral light transmittance (X) of the 5-millimeter thick plate at a wavelength of 350 nm to a spectral light transmittance (Y) thereof at a wavelength of 400 nm is 0.75 or more.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: February 27, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Junichi Tsuzuki, Toshio Isozaki
  • Publication number: 20230265983
    Abstract: An internal part for a lighting tool for a vehicle, including: an entering portion for light; an emitting portion for light; and a light-guiding portion to guide the light grom the entering portion to the emitting portion, the part being arranged at a distance of 5 mm or less from a light source, wherein the part is a molded body formed of a resin composition, wherein a 5-millimeter thick plate, obtained by subjecting the resin composition to injection molding at a cylinder temperature of 260° C., a die temperature of 80° C., a cycle time of 50 seconds, and a retention time of 230 seconds, a total light transmittance of 80% or more, and a ratio (X/Y) of a spectral light transmittance (X) of the 5-millimeter thick plate at a wavelength of 350 nm to a spectral light transmittance (Y) thereof at a wavelength of 400 nm is 0.75 or more.
    Type: Application
    Filed: April 6, 2021
    Publication date: August 24, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Junichi TSUZUKI, Toshio ISOZAKI
  • Patent number: 11732129
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: August 22, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshio Isozaki, Takahiro Torii, Yasunobu Yamazaki, Naoto Okubo
  • Publication number: 20230220184
    Abstract: A resin composition, including an aromatic polycarbonate resin, wherein when colorimetry is performed by using a molded body for optical characteristic measurement formed of the resin composition, the molded body including an entering portion from which light enters, an emitting portion from which the entered light is emitted, and a light-guiding portion configured to guide the light that has entered from the entering portion to the emitting portion, and the light-guiding portion including an optical path having such a curvature that the entered light is totally reflected, and by using a white light-emitting diode as a light source, a difference (Y2?Y1) between a y(Y1) of the molded body for optical characteristic measurement in a CIE 1931 color system at a position of a light-guiding path distant from the entering portion by 125 mm.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 13, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Junichi TSUZUKI, Toshio ISOZAKI
  • Patent number: 11697732
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: July 11, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshio Isozaki, Takahiro Torii, Yasunobu Yamazaki, Naoto Okubo
  • Patent number: 11370910
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: June 28, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasunobu Yamazaki, Naoto Okubo, Toshio Isozaki, Takahiro Torii
  • Publication number: 20220025175
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Application
    Filed: October 5, 2021
    Publication date: January 27, 2022
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshio ISOZAKI, Takahiro TORII, Yasunobu YAMAZAKI, Naoto OKUBO
  • Patent number: 11220600
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: January 11, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshio Isozaki, Takahiro Torii, Yasunobu Yamazaki, Naoto Okubo
  • Publication number: 20210108072
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Application
    Filed: March 30, 2018
    Publication date: April 15, 2021
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Yasunobu YAMAZAKI, Naoto OKUBO, Toshio ISOZAKI, Takahiro TORII
  • Publication number: 20200024445
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 23, 2020
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Toshio ISOZAKI, Takahiro TORII, Yasunobu YAMAZAKI, Naoto OKUBO
  • Publication number: 20130018115
    Abstract: Provided is a method for recovering a polycarbonate resin from a discarded optical disk and/or a recovered optical disk, which has a polycarbonate resin substrate. The following process steps (I) and (II) are applied to a chemically treated product, which is obtained by crushing a discarded optical disk and/or a recovered optical disk, and chemically treating the resulting crushed product. Process step (I): a step containing (a) removing a magnetic metal foreign matter with a magnet, and (b) identifying a colored foreign matter with an optical camera, and removing the colored foreign matter. Process step (II): a step containing detecting the presence of a metal foreign matter with a metal foreign matter detector, and removing a resin containing the metal foreign matter.
    Type: Application
    Filed: December 24, 2010
    Publication date: January 17, 2013
    Applicants: PANAC INDUSTRIES, INC., IDEMITSU KOSAN CO., LTD.
    Inventors: Toshio Isozaki, Kenichi Mitsuhashi, Nobuyuki Ito
  • Patent number: 8338513
    Abstract: Disclosed are a polycarbonate resin composition comprising, with respect to 100 parts by mass of a composition composed of (A) 60 to 90 parts by mass of an aromatic polycarbonate resin and (B) 40 to 10 parts by mass of a glass filler having a refractive index smaller or larger than a refractive index of the aromatic polycarbonate resin by 0.002 or less, (C) 0.05 to 2.0 parts by mass of a silicone compound having a reactive functional group, (D) 0.03 to 1.0 part by mass of an organic alkali metal salt compound and/or an organic alkaline earth metal salt compound, (E) 0.05 to 7.0 parts by mass of glossy particles, and (F) 0.0001 to 3 parts by mass of a colorant, a polycarbonate resin molded article obtained by molding the composition, and a method for producing the molded article by molding the polycarbonate resin composition.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: December 25, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshio Isozaki, Kouji Satou
  • Patent number: 8143330
    Abstract: Provided is a polycarbonate resin composition which contains specific amounts of a glass filler and glossy particles, which can be molded into an article in which no difference in lightness is visually observed between the left side and the right side of the weld line, and which has excellent optical properties and flame retardancy. The polycarbonate resin composition contains: a composition formed of an aromatic polycarbonate resin (A) and a glass filler (B) having a difference in refractive index 0.002 or less from the aromatic polycarbonate resin of; glossy particles (C-1) having an average particle diameter of 10 ?m or more and less than 50 ?m; glossy particles (C-2) having an average particle diameter of 50 to 300 ?m; a silicone compound (D) having a reactive functional group; and an organic alkali metal salt compound and/or an organic alkali earth metal salt compound (E).
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: March 27, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshio Isozaki, Kouji Satou, Takayoshi Tanaka
  • Patent number: 8133939
    Abstract: Provided are: a polycarbonate resin composition which is excellent in mechanical properties, physical properties, optical properties, and flame retardancy, including: a composition formed of an aromatic polycarbonate resin (A) and a glass filler (B) having a difference in refractive index of 0.002 or less from the aromatic polycarbonate resin; glossy particles (C-1) having an average particle diameter of 10 ?m or more and less than 50 ?m; glossy particles (C-2) having an average particle diameter of 50 to 300 ?m; and a silicone compound (D) having a reactive functional group; a polycarbonate resin molded article obtained by molding the polycarbonate resin composition; and a method of producing a polycarbonate resin molded article, involving subjecting the polycarbonate resin composition to injection molding at a mold temperature of 120° C. or higher.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: March 13, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshio Isozaki, Kouji Satou, Takayoshi Tanaka