Patents by Inventor Sadafumi Aibe

Sadafumi Aibe 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).

  • Publication number: 20040173297
    Abstract: A pneumatic tire having a puncture-preventive sealant layer that suppresses the generation of decomposition gas and is high in viscosity; and a method of producing the same. This pneumatic tire has a sealant layer disposed along the inner surface thereof, in which sealant layer is made of a rubber composition containing a cobalt salt in an amount of 0.07-0.5 parts by weight in terms of cobalt component for 100 parts by weight of rubber containing not less than 80 parts by weight of natural rubber or isoprene rubber.
    Type: Application
    Filed: December 12, 2003
    Publication date: September 9, 2004
    Inventors: Takashi Fukutomi, Sadafumi Aibe
  • Patent number: 5679744
    Abstract: A rubber composition suitable for use, for example, a tire and a belt containing a natural and/or polyisoprene rubber, and/or styrene-butadiene copolymer rubber, polybutadiene rubber, and/or an A-B type block copolymer of styrene and butadiene and optionally, a softening agent, a foaming agent, a foaming assistant.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: October 21, 1997
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Tetsuji Kawauzra, Sadafumi Aibe, Masayuki Kawazoe