Patents by Inventor Isao Kuribayashi

Isao Kuribayashi 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: 5631100
    Abstract: A secondary battery is comprising an organic electrolytic solution contained in a casing and, disposed therein, a positive electrode comprised of a lithium-containing composite metal oxide as a cathode active material and a negative electrode comprised of a carbonaceous material as an anode active material, wherein the positive and negative electrodes are separated through a separator disposed therebetween and wherein the organic electrolytic solution has a water content of from 5 ppm to 450 ppm.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: May 20, 1997
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Akira Yoshino, Yumiko Takizawa, Akira Koyama, Katsuhiko Inoue, Masataka Yamashita, Yasufumi Minato, Isao Kuribayashi
  • Patent number: 4543391
    Abstract: Polyphenylene ether compositions having enhanced commercial value as engineering resin, which are excellent in the appearance characteristics, such as surface gloss and weld part beauty, and stress crack resistance. The present resin composition is composed of a polyether resin (PPE) and a rubber reinforced high impact polystyrene (HIPS), if desired, together with a vinyl aromatic compound resin, wherein the PPE has specific characteristics with respect to the intrinsic viscosity, the eluting amount, and others.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: September 24, 1985
    Assignee: Asahi-Dow Limited
    Inventors: Isao Kuribayashi, Kunio Fukuda
  • Patent number: 4299757
    Abstract: A graft copolymer having a styrene polymer grafted onto a trunk polymer consituted of (a) hydrogenated block copolymer of a styrene compound and a diene compound and (b) an olefinic polymer or copolymer is blended with a polyphenylene ether type resin to give a resin composition reduced in anisotropy and having good oil resistance and mechanical properties.
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: November 10, 1981
    Assignee: Asahi-Dow Limited
    Inventors: Isao Kuribayashi, Jurou Ohzeki, Kiyoshi Shimamura