Patents by Inventor Tamotsu Waga

Tamotsu Waga 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: 9610971
    Abstract: An electric power steering apparatus capable of being both lightweight and rigid. A lightweight electric power steering apparatus is achieved wherein a gear housing (45) that houses an electric assist mechanism, a lower support bracket (54) for fastening the gear housing (45) to the vehicle body, a sensor housing (56) that houses a torque sensor (57), an outer column (30) of a steering column (6c), and an upper support bracket (59a) for fastening the middle section of the outer column (30) to the vehicle body can all be integrally formed of synthetic resin, improving the strength of the joined sections of these members.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: April 4, 2017
    Assignee: NSK Ltd.
    Inventors: Hiroshi Shibazaki, Tamotsu Waga, Kiyoshi Sadakata, Seiichi Moriyama
  • Publication number: 20160304117
    Abstract: An electric power steering apparatus capable of being both lightweight and rigid. A lightweight electric power steering apparatus is achieved wherein a gear housing (45) that houses an electric assist mechanism, a lower support bracket (54) for fastening the gear housing (45) to the vehicle body, a sensor housing (56) that houses a torque sensor (57), an outer column (30) of a steering column (6c), and an upper support bracket (59a) for fastening the middle section of the outer column (30) to the vehicle body can all be integrally formed of synthetic resin, improving the strength of the joined sections of these members.
    Type: Application
    Filed: October 6, 2014
    Publication date: October 20, 2016
    Inventors: Hiroshi Shibazaki, Tamotsu Waga, Kiyoshi Sadakata, Seiichi Moriyama
  • Publication number: 20150090520
    Abstract: An electric power steering apparatus capable of being both lightweight and rigid. A lightweight electric power steering apparatus is achieved wherein a gear housing (45) that houses an electric assist mechanism, a lower support bracket (54) for fastening the gear housing (45) to the vehicle body, a sensor housing (56) that houses a torque sensor (57), an outer column (30) of a steering column (6c), and an upper support bracket (59a) for fastening the middle section of the outer column (30) to the vehicle body can all be integrally formed of synthetic resin, improving the strength of the joined sections of these members.
    Type: Application
    Filed: October 6, 2014
    Publication date: April 2, 2015
    Inventors: Hiroshi Shibazaki, Tamotsu Waga, Kiyoshi Sadakata, Seiichi Moriyama
  • Patent number: 8882146
    Abstract: Provided is an electric power steering apparatus that is both lightweight and rigid. A lightweight electric power steering apparatus is achieved wherein a gear housing 45 that houses an electric assist mechanism, a lower support bracket 54 for fastening the gear housing 45 to the vehicle body, a sensor housing 56 that houses a torque sensor 57, an outer column 30 of a steering column 6c, and an upper support bracket 59a for fastening the middle section of the outer column 3 to the vehicle body are all integrally formed of synthetic resin with glass fibers, improving the strength of the joined sections of these members.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: November 11, 2014
    Assignee: NSK Ltd.
    Inventors: Hiroshi Shibazaki, Tamotsu Waga, Kiyoshi Sadakata, Seiichi Moriyama
  • Publication number: 20130160592
    Abstract: Provided is an electric power steering apparatus that is both lightweight and rigid. A lightweight electric power steering apparatus is achieved wherein a gear housing 45 that houses an electric assist mechanism, a lower support bracket 54 for fastening the gear housing 45 to the vehicle body, a sensor housing 56 that houses a torque sensor 57, an outer column 30 of a steering column 6c, and an upper support bracket 59a for fastening the middle section of the outer column 3 to the vehicle body are all integrally formed of synthetic resin with glass fibers, improving the strength of the joined sections of these members.
    Type: Application
    Filed: January 19, 2012
    Publication date: June 27, 2013
    Applicant: NSK LTD.
    Inventors: Hiroshi Shibazaki, Tamotsu Waga, Kiyoshi Sadakata, Seiichi Moriyama