Patents by Inventor Yutaka Nishibayashi

Yutaka Nishibayashi 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: 20210371649
    Abstract: A phosphorescent polycarbonate resin composition comprising, with respect to 100 parts by mass of a polycarbonate resin (A): 0.8 to 20 parts by mass of a red light-emitting phosphorescent material (B1) as a phosphorescent material (B), wherein an L* value measured in accordance with a following method (X) is 65 or more, the method (X) including: under conditions of a cylinder temperature of 300° C., a mold temperature of 120° C.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Applicant: Mitsubishi Engineering-Plastics Corporation
    Inventor: Yutaka NISHIBAYASHI
  • Publication number: 20200118706
    Abstract: This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 16, 2020
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken SHIMOMAI, Hirotaka TSURUYA, Masahide SUGIYAMA, Yutaka NISHIBAYASHI
  • Patent number: 10546665
    Abstract: This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: January 28, 2020
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken Shimomai, Hirotaka Tsuruya, Masahide Sugiyama, Yutaka Nishibayashi
  • Publication number: 20150380125
    Abstract: This resin composition for high dielectric constant materials contains 40-80% by mass of (A) a resin material and 20-60% by mass of (B) a carbon black. The carbon black (B) has a DBP absorption of 10-50 mL/100 g and an iodine adsorption of 5-40 mg/g. This resin composition for high dielectric constant materials has a dielectric constant of 4 or more and a dielectric loss tangent of 0.05 or less.
    Type: Application
    Filed: February 6, 2014
    Publication date: December 31, 2015
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken SHIMOMAI, Hirotaka TSURUYA, Masahide SUGIYAMA, Yutaka NISHIBAYASHI
  • Patent number: 8927633
    Abstract: An aromatic polycarbonate resin composition includes per 100 mass parts of an aromatic polycarbonate resin (A) having an aromatic polycarbonate resin (a1) and an aromatic polycarbonate resin (a2) in a ratio when a total quantity of aromatic polycarbonate resins (a1) and (a2) is denoted as 100 mass percent, (a1):(a2)=99 mass percent to 50 mass percent:1 mass percent to 50 mass percent; 0.01 to 10 mass parts of microparticles (B) selected from the group consisting of polyorganosilsesquioxane microparticles and (meth)acrylic resin microparticles; and 0.005 mass part to 0.1 mass part of a flame retardant (C) in the form of organic sulfonic acid metal salt; wherein a molten resin quantity Q value flowing out of an orifice 1 mm in diameter×10 mm in length at a temperature of 280° C. at a load of 1.57×107 Pa.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: January 6, 2015
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Jun Tajima, Yutaka Nishibayashi, Hiromitsu Nagashima
  • Publication number: 20140221541
    Abstract: An aromatic polycarbonate resin composition includes per 100 mass parts of an aromatic polycarbonate resin (A) having an aromatic polycarbonate resin (a1) and an aromatic polycarbonate resin (a2) in a ratio when a total quantity of aromatic polycarbonate resins (a1) and (a2) is denoted as 100 mass percent, (a1):(a2)=99 mass percent to 50 mass percent:1 mass percent to 50 mass percent; 0.01 to 10 mass parts of microparticles (B) selected from the group consisting of polyorganosilsesquioxane microparticles and (meth)acrylic resin microparticles; and 0.005 mass part to 0.1 mass part of a flame retardant (C) in the form of organic sulfonic acid metal salt; wherein a molten resin quantity Q value flowing out of an orifice 1 mm in diameter×10 mm in length at a temperature of 280° C. at a load of 1.57×107 Pa.
    Type: Application
    Filed: August 31, 2012
    Publication date: August 7, 2014
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Jun Tajima, Yutaka Nishibayashi, Hiromitsu Nagashima
  • Publication number: 20140155548
    Abstract: To provide an aromatic polycarbonate resin composition which has an impact resistance improved by blending of an impact strength improver and which also has an excellent transparency and a good surface hardness. The aromatic polycarbonate resin composition includes, with respect to 100 parts by mass of a resin component containing 55 to 85 percent by mass of an aromatic polycarbonate resin (A) having a mass average molecular weight of 15,000 to 40,000 and 15 to 45 percent by mass of a (meth)acrylate copolymer (B) which has a mass average molecular weight of 5,000 to 30,000 and which is composed of an aromatic (meth)acrylate unit (b1) and a methyl (meth)acrylate unit (b2) at a mass ratio (b1/b2) of 5 to 50/50 to 95, 1 to 20 parts by mass of an impact strength improver (C). A refractive index nab of the resin component at a wavelength of 589 nm and a refractive index nc of the impact strength improver (C) at a wavelength of 589 nm satisfy the following formula i). ?0.01?nab?nc?+0.
    Type: Application
    Filed: June 25, 2012
    Publication date: June 5, 2014
    Applicant: Mitsubishi Engineering-Plastics Corporation
    Inventors: Haruhiko Kurokawa, Yutaka Nishibayashi, Hiromitsu Nagashima