Patents by Inventor Eitaro Ikegami

Eitaro Ikegami 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).

  • Polyester resin composition
    Patent number: 4874800
    Abstract: A polyester composition which comprises a blend of polyester being capable of forming an anisotropic phase in the molten state and being melt-processable, a filler and a polyamide and is improved in mechanical strength and thermal stability properties. It is easy to blend the filler with the polyester, if the filler is treated with the polyamide, prior to the blending step.
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: October 17, 1989
    Assignee: Polyplastics Co., Ltd.
    Inventors: Tsuyoshi Minamisawa, Katsunori Endo, Eitaro Ikegami, Shigeru Nezu
  • Polyacetal composition and method of preparation thereof
    Patent number: 4831073
    Abstract: A polyacetal resin composition contains 0.1-30% by weight of one or two or more members selected from among carbonaceous materials including carbon black, carbon fiber and graphite and 0.0005-2% by weight of one or two or more members selected from among alkali metal compounds and alkaline earth metal compounds in proportion to the total composition.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: May 16, 1989
    Assignee: Polyplastics Co., Ltd.
    Inventors: Susumu Okushiro, Eitaro Ikegami, Seiichi Higashiyama, Hiroyuki Miyaji