Patents by Inventor Tomonori Suenaga

Tomonori Suenaga 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).

  • Bicycle and bicycle speed change operation assembly
    Patent number: 6042132
    Abstract: A bicycle comprises a front speed shifter having a plurality of speed stages, a rear speed shifter having at least three speed stages, a front speed change operation assembly 1A connected to the front speed shifter, and a rear speed change operation assembly 1B connected to the rear speed shifter. There are a plurality of designated groups of combinations for combining the speed stages of the front speed shifter with the speed stages of the rear speed shifter, and indication means 50a through 50c, 51a through 51c, and 59B for identifying each of these groups are provided for each of the front speed change operation assembly 1A and the rear speed change operation assembly 1B.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: March 28, 2000
    Assignee: Sakae Co., Ltd.
    Inventors: Tomonori Suenaga, Yoshihisa Iwasaki