Patents by Inventor Sin Yokomizo

Sin Yokomizo 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).

  • Vehicle body frame for motorcycle
    Patent number: 7073617
    Abstract: In a body frame for a motorcycle mounted with an engine unit 11 and provided with a main frame 2a by which a front fork 4 and rear arms 7 are supported, the main frame 2a includes: a head pipe unit 20 which extends obliquely downward to a rear of a vehicle from a head pipe 3 and so as to expand in a vertical direction; a down frame 21 which is connected to a front part at lower end of the head pipe unit 20; and left and right rear arm brackets 10 which are stretched and connected to a rear end of the down frame 21 and a rear part at lower end of the head pipe unit 20, and the head pipe unit 20 is an aluminum die-cast molded product, and the down frame 21 and the left and right rear arm brackets 10 are aluminum forged molded products.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: July 11, 2006
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Shidehiko Miyashiro, Takehisa Katsura, Takayoshi Fukuda, Sin Yokomizo, Takushiro Shiraishi, Hiroshi Yamaoka, Norikazu Unno
  • Vehicle body frame for motorcycle
    Publication number: 20040154852
    Abstract: In a body frame for a motorcycle mounted with an engine unit 11 and provided with a main frame 2a by which a front fork 4 and rear arms 7 are supported, the main frame 2a includes: a head pipe unit 20 which extends obliquely downward to a rear of a vehicle from a head pipe 3 and so as to expand in a vertical direction; a down frame 21 which is connected to a front part at lower end of the head pipe unit 20; and left and right rear arm brackets 10 which are stretched and connected to a rear end of the down frame 21 and a rear part at lower end of the head pipe unit 20, and the head pipe unit 20 is an aluminum die-cast molded product, and the down frame 21 and the left and right rear arm brackets 10 are aluminum forged molded products.
    Type: Application
    Filed: April 5, 2004
    Publication date: August 12, 2004
    Inventors: Shidehiko Miyashiro, Takehisa Katsura, Takayoshi Fukuda, Sin Yokomizo, Takushiro Shiraishi, Hiroshi Yamaoka, Norikazu Unno