Patents by Inventor Takayoki Yako

Takayoki Yako 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).

  • Cureable silane functionalized sealant composition and manufacture of same
    Patent number: 6838539
    Abstract: The present invention is directed to a method of forming a polymer composition having quaternary alkane units and aromatic hydrocarbon units. The aromatic hydrocarbon units have substituents of the general formula R1SiR2R3R4, wherein R1 is optional and is a hydrocarbon or ether linking the silicon and the aromatic hydrocarbon, and R2, R3, and R4 are one or more of hydrogen, alkyl, and alkoxy, with the provision that no more than two may be hydrogen or alkyl.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: January 4, 2005
    Assignee: Bridgestone Corporation
    Inventors: Terrence E. Hogan, David F. Lawson, Takayoki Yako, J. P. Kennedy