Patents by Inventor Koichi Asaga

Koichi Asaga 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).

  • Structure for mounting reverse idler gear in manual transmission
    Patent number: 5966998
    Abstract: A reverse idler gear mounting structure is easily and reliably assembled in a manual transmission. The transmission has a transmission case with an end wall and a side wall, input and main shafts extending in parallel in the transmission case and having rear ends directed toward the end wall, mutually engaged input and main gears operatively mounted on the input and main shafts respectively, synchronizing mechanisms operatively incorporated with the input and main gears to provide the transmission with a selected gear ratio, reverse input and main gears operatively disposed on the input and main shafts respectively, an idler shaft fixed to the rear wall and a reverse idler gear rotatably disposed on the idler shaft while meshing with both the reverse input and main gears.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: October 19, 1999
    Assignees: Nissan Motor Co., Ltd., Aichi Machine Industry Co., Ltd.
    Inventors: Tomoyuki Hara, Toshiyuki Yamaguchi, Koichi Asaga