Patents by Inventor Yo Isegawa

Yo Isegawa 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).

  • Method for producing a sliding coupling by a monomer casting method
    Patent number: 5114521
    Abstract: A method for producing a sliding coupling, w hich comprises injecting a casting material comprising the following components (A) and (B) into a clearance between a bearing and a shaft fitted in and rotatably or reciprocatively supported by the bearing, wherein a primer is preliminarily applied to either the shaft or the bearing and a releasing agent is preliminarily applied to the other; followed by polymerization and curing to form a resin lining on the surface of the shaft or the bearing:(A) a .OMEGA.-lactam liquid containing a polymerization catalyst of an alkali metal or alkaline earth metal compound; and(B) a .OMEGA.-lactam liquid containing at least one polymerization initiator.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: May 19, 1992
    Assignees: Mitsubishi Monsanto Chemical Company, Toyota Jidosha Kabushiki Kaisha
    Inventors: Yo Isegawa, Takeshi Kito, Kimimasa Muryayama, Shoji Ikawa, Takahiro Iwase, Tutomu Sugiura, Atsuyuki Tsuzuki
  • Molded amide resin product and method for its preparation
    Patent number: 4990567
    Abstract: A molded amide resin product prepared by injecting a mixture comprising a .omega.-lactam, a polymerization catalyst, a polymerization cocatalyst, a modified olefin and a polyamide soluble in a molten .omega.-lactam into a mold at a temperature not lower than the melting point of the .omega.-lactam, followed by molding.
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: February 5, 1991
    Assignee: Mitsubishi Kasei Polytec Company
    Inventors: Yo Isegawa, Makoto Watanabe