Patents by Inventor Shuji Tominaga

Shuji Tominaga 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: 8827024
    Abstract: A motorcycle with enhanced control of a vehicle body is disclosed. The motorcycle includes: a body frame; a rear arm with an elongated hole formed therein; a rear wheel; a shaft; an adjustment mechanism for adjusting the front-to-rear position of the shaft; and a fastener member for fastening the shaft to the rear arm. The adjustment mechanism includes: a first cover member having a first insertion opening formed therein and facing one of the sides of the rear arm; and a second cover member having a second insertion opening formed therein and facing the other one of the sides of the rear arm.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: September 9, 2014
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Takahiro Sumi, Shuji Tominaga, Masaomi Suzuki
  • Patent number: 8807259
    Abstract: A motorcycle includes a seat supported on a pair of seat frames of a vehicle body frame. A rear wheel is disposed under the pair of seat frames in a side view of the motorcycle, and is swingable in an up-down direction. A damper includes a hydraulic jack to adjust the vehicle height. The pump unit includes a hydraulic pump to feed oil to the hydraulic jack and a vehicle height adjusting motor to drive the hydraulic pump. The vehicle height adjusting motor is located under the seat, and disposed between the pair of seat frames in a plan view of the motorcycle.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: August 19, 2014
    Assignees: Yamaha Hatsudoki Kabushiki Kaisha, Kayaba Industry Co., Ltd.
    Inventors: Shuji Tominaga, Yuki Amano
  • Patent number: 8770594
    Abstract: An electric suspension device includes a cylinder, a sub-tank, a first oil passage and a second oil passage, a damping force adjusting valve, and a damping force adjusting motor. The cylinder is rotatable about a mounting axis. The first oil passage connects a first inner oil chamber and an outer oil chamber. The second oil passage connects the first inner oil chamber of the cylinder and an oil chamber of the sub-tank. The first and second oil passages are disposed outside an inner tube and an outer tube, and share a portion with each other. The first and second oil passages are entirely disposed on the same side with respect to a reference plane.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: July 8, 2014
    Assignees: Yamaha Hatsudoki Kabushiki Kaisha, Kayaba Industry Co., Ltd.
    Inventors: Shuji Tominaga, Yuki Amano
  • Publication number: 20140091539
    Abstract: An electric suspension device includes a cylinder, a sub-tank, a first oil passage and a second oil passage, a damping force adjusting valve, and a damping force adjusting motor. The cylinder is rotatable about a mounting axis. The first oil passage connects a first inner oil chamber and an outer oil chamber. The second oil passage connects the first inner oil chamber of the cylinder and an oil chamber of the sub-tank. The first and second oil passages are disposed outside an inner tube and an outer tube, and share a portion with each other. The first and second oil passages are entirely disposed on the same side with respect to a reference plane.
    Type: Application
    Filed: September 26, 2013
    Publication date: April 3, 2014
    Applicants: Kayaba Industry Co., Ltd., YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Shuji TOMINAGA, Yuki AMANO
  • Publication number: 20140091552
    Abstract: A motorcycle includes a seat supported on a pair of seat frames of a vehicle body frame. A rear wheel is disposed under the pair of seat frames in a side view of the motorcycle, and is swingable in an up-down direction. A damper includes a hydraulic jack to adjust the vehicle height. The pump unit includes a hydraulic pump to feed oil to the hydraulic jack and a vehicle height adjusting motor to drive the hydraulic pump. The vehicle height adjusting motor is located under the seat, and disposed between the pair of seat frames in a plan view of the motorcycle.
    Type: Application
    Filed: September 26, 2013
    Publication date: April 3, 2014
    Applicants: Kayaba Industry Co., Ltd., YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Shuji TOMINAGA, Yuki AMANO
  • Publication number: 20110177381
    Abstract: A bus bar for secondary battery is provided to electrically connect a plurality of secondary batteries in high reliability. The bus bar includes a plate section which is electrically conductive, opening sections which are provided for said plate section and in which convex electrode terminals of secondary batteries are inserted, respectively; and first slit sections formed to extend ends of the plate section from said opening sections, respectively. A diameter of said opening section is smaller than a diameter of said electrode terminal such that the inserted electrode terminal is fastened.
    Type: Application
    Filed: November 7, 2008
    Publication date: July 21, 2011
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., NANABOSHI ELECTRIC MFG. CO. LTD.
    Inventors: Takumi Oya, Tsutomu Hashimoto, Katsuo Hashizaki, Masazumi Ohishi, Shuji Tominaga, Yoshinaga Miyashita, Hirofumi Ito