Patents by Inventor Kazuya Yabusa

Kazuya Yabusa 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).

  • Card
    Patent number: 5891576
    Abstract: A card having a paper as a base material laminated with decomposable plastic layers having such properties as durability, banding resistance, water resistance, chemical resistance, waterproofness, surface smoothness, glossiness end workability. Any visible information/design portion and/or a magnetic recording portion may be formed as required. The present invention improves the durability of a card using paper as a base material and provides the card which spontaneously decomposes even when left after being discarded.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: April 6, 1999
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Toshibumi Imai, Akihiko Kobayashi, Tsutomu Shikakubo, Masayuki Taniguchi, Kazuya Yabusa, Testuo Aizawa, Motoko Yoshikawa
  • Method for the manufacture of a composite laminate
    Patent number: 5498385
    Abstract: A biodegradable composite laminate for the manufacture of packaging containers is provided. The composite laminate includes a straight-chain, biodegradable 3-hydroxybutyric acid/3-hydroxyvaleric acid copolyester in a thin film which has been laminated on at least one surface of a sheet-like substrate. A polymeric blend of a poly-.epsilon.-caprolactone with the straight-chain copolyester may be employed in the place of the straight-chain copolyester alone. The method for the manufacture thereof is also provided.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: March 12, 1996
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Kazuya Yabusa, Takeo Kato, Tetsuo Aizawa, Masayuki Taniguchi
  • Composite laminate
    Patent number: 5409772
    Abstract: A biodegradable composite laminate for the manufacture of packaging containers is provided. The composite laminate comprises a straight-chain, biodegradable 3-hydroxybutyric acid 3-hydroxyvaleric acid copolyester in a thin film which has been laminated on at least one surface of a sheet-like substrate.A polymeric blend of a poly-.epsilon.-caprolactone with the straight-chain copolyester may be employed in the place of the straight-chain copolyester alone.The method for the manufacture thereof is also provided.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: April 25, 1995
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Kazuya Yabusa, Takeo Kato, Tetsuo Aizawa, Masayuki Taniguchi