Patents by Inventor Sonoko Kimishima

Sonoko Kimishima 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).

  • Patent number: 7025100
    Abstract: A pneumatic tire is provided in the tread portion with a circumferential row of middle tread elements, wherein each of the middle tread elements is divided into four elemental blocks having different configurations, by three splitting grooves, and the three splitting grooves are: a longitudinal splitting groove extending between the lateral grooves; an axially inner lateral splitting groove extending axially outwardly from the axially inner circumferential main groove beyond the longitudinal splitting groove and terminating before the axially outer circumferential main groove; and an axially outer lateral splitting groove extending axially inwardly from the axially outer circumferential main groove beyond the longitudinal splitting groove and terminating before the axially inner circumferential main groove.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: April 11, 2006
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Sonoko Kimishima
  • Publication number: 20030226629
    Abstract: A pneumatic tire is provided in the tread portion with a circumferential row of middle tread elements, wherein each of the middle tread elements is divided into four elemental blocks having different configurations, by three splitting grooves, and the three splitting grooves are: a longitudinal splitting groove extending between the lateral grooves; an axially inner lateral splitting groove extending axially outwardly from the axially inner circumferential main groove beyond the longitudinal splitting groove and terminating before the axially outer circumferential main groove; and an axially outer lateral splitting groove extending axially inwardly from the axially outer circumferential main groove beyond the longitudinal splitting groove and terminating before the axially inner circumferential main groove.
    Type: Application
    Filed: May 9, 2003
    Publication date: December 11, 2003
    Inventor: Sonoko Kimishima
  • Patent number: D446173
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: August 7, 2001
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Sonoko Kimishima
  • Patent number: D417175
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: November 30, 1999
    Assignee: Sumitomo Rubber Industries Ltd.
    Inventors: Sonoko Kimishima, Hiroaki Kajita