Patents by Inventor Akiko Etoh

Akiko Etoh 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).

  • Rubber composition
    Patent number: 5534569
    Abstract: Heat generation of a rubber composition can be lowered by incorporating to the composition a compound of the formula, (I), (II) or (III), ##STR1## where A is an aromatic group, hydantoin ring or C.sub.0-18 straight chain hydrocarbon group, B is an aromatic group, X is hydroxy or amino, Y is pyridyl or hydrozino.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: July 9, 1996
    Assignee: Bridgestone Corporation
    Inventor: Akiko Etoh