Patents by Inventor Mitsuaki Sunada

Mitsuaki Sunada 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: 5854149
    Abstract: As a paper-made stampable sheet having a high rigidity and, if necessary, improved adhesiveness and non-permeability and a light weight stampable sheet shaped body made from this sheet and a method of producing the same, there are proposed a paper-made stampable sheet obtained by paper-making a mixture of thermoplastic resin and reinforcing fibers to obtain a sheet-like web, piling a thermoplastic resin film of a single layer or multi layer or an organic fiber nonwoven fabric having at least one excellent property selected from rigidity, non-permeability and adhesiveness on at least one-side surface of the sheet-like web in accordance with use purpose, compressing them under heating above a melting point of the thermoplastic resin constituting the web, cooling and solidifying at a compressed state as well as a light weight stampable sheet shaped body made from this sheet and a method of producing the same.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: December 29, 1998
    Assignees: Kawasaki Steel Corporation Sumitomo Chemical Co., Ltd., K-Plasheet Corporation
    Inventors: Katsuhiro Nagayama, Masami Fujimaki, Shigeru Takano, Taiji Matsumoto, Tomoshige Ono, Yukio Nagashima, Syohei Masui, Satoru Funakoshi, Yuji Kobayashi, Hiroyuki Yoshitake, Mitsuaki Sunada