Patents by Inventor Tsugio Honda

Tsugio Honda 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).

  • Gas-permeable, waterproof film and process for its production
    Patent number: 5078931
    Abstract: A porous waterproof film having a superior gas-permeability and waterproofness, capable of being produced under simple processing conditions, by means of simple processing equipments and at cheap cost, having superior mechanical strengths and also suitable for disposable use applications and a process for producing the film are provided, which film is obtained by subjecting a thermoplastic resin composition film comprising a thermoplastic resin and a specified quantity of a filler based on the thermoplastic resin to calender processing.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: January 7, 1992
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Takeshi Yanagihara, Tsugio Honda, Makoto Nakano, Hiroshi Kajino
  • Gas-permeable, waterproof nonwoven fabric and process for its production
    Patent number: 4983450
    Abstract: A porous waterproof nonwoven fabric having a superior gas-permeability and waterproofness, capable of being produced at cheap cost under simple processing conditions and by means of simple processing equipments, having superior mechanical strengths and a good feeling and useful for disposable uses and a process for producing the fabric are provided, which fabric comprises a thermoplastic resin composition film comprising a thermoplastic resin and a specified quantity of a filler, the thermoplastic resin composition film having fine pores formed by calender processing.
    Type: Grant
    Filed: July 28, 1988
    Date of Patent: January 8, 1991
    Assignees: Mitsue Toatsu Chemicals, Inc., Uni-Charm Corporation
    Inventors: Takeshi Yanagihara, Tsugio Honda, Makoto Nakano, Hiroshi Kajino