Patents by Inventor Takuya Nakamizo

Takuya Nakamizo 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).

  • Hollow rack manufacturing method and manufacturing apparatus
    Patent number: 8677797
    Abstract: With a first push rod which is to be inserted/removed into/from a steel pipe through an opening at one end and a second push rod which is to be inserted/removed into/from the steel pipe through an opening at the other end, a metal core disposed on a side on which the first push rod is inserted/removed into/from the die assembly is sandwiched and this metal core is stopped from rotating with the first push rod. With the state of stopping the rotation of the first push rod, the metal core is introduced into the steel pipe through the opening at the one end by both the push rods. After the metal core is pressed into the steel pipe while stopped from rotating with the first push rod, this metal core is pushed back by the second push rod.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: March 25, 2014
    Assignee: Neturen Co., Ltd.
    Inventors: Takashi Yamawaki, Takuya Nakamizo
  • HOLLOW RACK MANUFACTURING METHOD AND MANUFACTURING APPARATUS
    Publication number: 20080229803
    Abstract: With a first push rod which is to be inserted/removed into/from a steel pipe through an opening at one end and a second push rod which is to be inserted/removed into/from the steel pipe through an opening at the other end, a metal core disposed on a side on which the first push rod is inserted/removed into/from the die assembly is sandwiched and this metal core is stopped from rotating with the first push rod. With the state of stopping the rotation of the first push rod, the metal core is introduced into the steel pipe through the opening at the one end by both the push rods. After the metal core is pressed into the steel pipe while stopped from rotating with the first push rod, this metal core is pushed back by the second push rod.
    Type: Application
    Filed: March 20, 2008
    Publication date: September 25, 2008
    Applicant: NETUREN Co., Ltd. (a Japanese corporation)
    Inventors: Takashi Yamawaki, Takuya Nakamizo