Patents by Inventor Tatsusei Minami

Tatsusei Minami 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: 6449856
    Abstract: A laser plumbing device including a laser beam emitting device; a supporting device for supporting the laser beam emitting device and allowing swinging movements of the laser beam emitting device in a first direction X1 and a second direction Y1; a two-direction drive device for swinging the laser beam emitting device in the first and second directions X1 and Y1; an inclination angle detecting device for detecting an inclination angle of the laser beam emitting direction with respect to the vertical direction; and a controller for controlling the position of the laser beam emitting device by the two-direction drive device so as to change the laser beam emitting direction toward the vertical direction based on the angle detected by the inclination angle detecting device. The long member plumbing device and method utilizing the laser plumbing device.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: September 17, 2002
    Assignee: Kabushiki Kaisha Matsumotokoumuten
    Inventors: Yuuji Matsumoto, Tatsusei Minami, Osamu Yoda, Akira Tanabe
  • Publication number: 20020053144
    Abstract: A laser plumbing device including a laser beam emitting device; a supporting device for supporting the laser beam emitting device and allowing swinging movements of the laser beam emitting device in a first direction X1 and a second direction Y1; a two-direction drive device for swinging the laser beam emitting device in the first and second directions X1 and Y1; an inclination angle detecting device for detecting an inclination angle of the laser beam emitting direction with respect to the vertical direction; and a controller for controlling the position of the laser beam emitting device by the two-direction drive device so as to change the laser beam emitting direction toward the vertical direction based on the angle detected by the inclination angle detecting device. The long member plumbing device and method utilizing the laser plumbing device.
    Type: Application
    Filed: July 14, 1999
    Publication date: May 9, 2002
    Inventors: YUUJI MATSUMOTO, TATSUSEI MINAMI, OSAMU YODA, AKIRA TANABE
  • Patent number: 6343444
    Abstract: Provided is a plumbing device for plumbing and connection of a long member, at the time of installation vertically of the long member on an upper end of a lower member, which is used for plumbing the installed long member to connect with the lower member.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: February 5, 2002
    Assignees: Kabushiki Kaisha Matsumotokoumuten, Matsumura-gumi Corporation
    Inventor: Tatsusei Minami