Patents by Inventor Shinsaku KOZAKAI

Shinsaku KOZAKAI 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).

  • Machining device with a detachably mounted spindle unit
    Patent number: 10173295
    Abstract: A machining device includes: a spindle unit including a spindle that rotates a workpiece; and a device base having the spindle unit mounted thereon. The spindle unit includes upper and lower rolls that rotate the workpiece by contacting the workpiece, upper and lower rotary shafts that rotate integrally with the upper and lower rolls and serves as the spindle, and a support member that supports the workpiece. The device base has mounted thereon the spindle unit, a motor that rotates the upper and lower rotary shafts, and a grindstone to be brought into contact with the workpiece. The spindle unit is detachably mounted on the device base.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: January 8, 2019
    Assignee: JTEKT CORPORATION
    Inventors: Kenichiro Kitamura, Shinsaku Kozakai, Fumikazu Hirakawa, Naoya Okubo
  • MACHINING DEVICE
    Publication number: 20170095898
    Abstract: A machining device includes: a spindle unit including a spindle that rotates a workpiece; and a device base having the spindle unit mounted thereon. The spindle unit includes upper and lower rolls that rotate the workpiece by contacting the workpiece, upper and lower rotary shafts that rotate integrally with the upper and lower rolls and serves as the spindle, and a support member that supports the workpiece. The device base has mounted thereon the spindle unit, a motor that rotates the upper and lower rotary shafts, and a grindstone to be brought into contact with the workpiece. The spindle unit is detachably mounted on the device base.
    Type: Application
    Filed: September 23, 2016
    Publication date: April 6, 2017
    Applicant: JTEKT CORPORATION
    Inventors: Kenichiro KITAMURA, Shinsaku KOZAKAI, Fumikazu HIRAKAWA, Naoya OKUBO