Patents by Inventor Keiji Jimbo

Keiji Jimbo 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: 5106558
    Abstract: A method for the continuous preparation of a polyethylene having high strength and high modulus of elasticity is here disclosed which comprises the steps of mixing 100 parts by weight of an ultra-high-molecular-weight polyethylene powder having an intrinsic viscosity of 5 to 50 dl/g in decalin at 135.degree. C. with 2 to 50 parts by weight of a liquid organic compound having a boiling point higher than the melting point of the polyethylene, feeding the resulting mixture to between a pair of upper and lower endless belts facing each other, continuously compression-molding the mixture at a temperature less than the melting point of the mixture by pressing means disposed inside the endless belts, and rolling and then drawing the same.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: April 21, 1992
    Assignees: Nippon Oil Co., Ltd., Nippon Petrochemicals Co., Ltd., Polymer Processing Research
    Inventors: Keizo Kobayashi, Takashi Mizoe, Yoshimu Iwanami, Shigeki Yokoyama, Keiji Jimbo, Kazuhiko Kurihara, Hiroshi Yazawa, Mihoko Okada
  • Patent number: 5005697
    Abstract: A make-up case comprising in the inside thereof a plurality of cosmetics pans, wherein the bottom of each pan is provided with a magnet and the inner bottom of the case is provided with a magnetic material, or vice versa, the magnetic material being attracted to the magnet, whereby the plurality of cosmetics pans are removably arranged in the inside of the case.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: April 9, 1991
    Assignee: Kanebo Limited
    Inventors: Keiji Jimbo, Yuuji Yasui, Sigeru Taninaga