Patents by Inventor Mitsuyuki Kobiyama

Mitsuyuki Kobiyama 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).

  • Easily breakable plastic capsule and a water filter for a cigarette using the same
    Patent number: 4865056
    Abstract: An easily breakable plastic capsule according to the present invention comprises a hollow cylindrical body capable of elastic deformation. The body is packed with a fluid material. An end wall of the body is formed with a plurality of radially extending grooves. When the body is deformed elastically, the bottom walls of the grooves are broken, so that the material flows out of the body through tears in the grooves. A water filter according to the present invention comprises a casing, made of paper and coupled to a cigarette, and a filter member and the capsule arranged in the casing. The grooved end wall of the capsule is situated in close vicinity to the filter member.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: September 12, 1989
    Assignees: Japan Tobacco Inc., DAI Nippon Printing Co., Ltd.
    Inventors: Akimichi Tamaoki, Shinichiro Tanaka, Morio Kondo, Masami Kawata, Ichiro Hirose, Hiroshi Uematsu, Kazuto Minami, Mitsuyuki Kobiyama