Patents by Inventor Shozo Komine

Shozo Komine 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 resin article having undercut shape
    Patent number: 6045746
    Abstract: A resin molded article having a highly expanded undercut shape and a uniform wall thickness distribution is produced with good productivity by forming a parison as an intermediate molded article by injection molding a thermoplastic resin, expanding said parison in open molds prior to blow molding of the parison in the final shape, then closing the molds, and blow molding said parison in the closed molds to form the final shape of the article.
    Type: Grant
    Filed: November 18, 1997
    Date of Patent: April 4, 2000
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Shozo Komine, Yoshiki Nishigaki, Hachiro Yamada