Patents by Inventor Kazunobu Katase

Kazunobu Katase 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 head, nozzle changer and laser beam machining apparatus
    Patent number: 8212176
    Abstract: A machining head includes a machining head element having an inner-head channel for passing laser light and assist gas, the nozzle having an inner-nozzle channel connecting to the inner-head channel and a nozzle orifice, pins protruding radially inward from a curved inner surface of the nozzle, a pin-locking part formed on the outside of the machining head element, the pin-locking part having pin-fitting openings, a head alignment part formed on a nozzle-side end surface of the machining head element, a nozzle alignment part formed on the nozzle at a location where the nozzle is aligned with the machining head element, and an O-ring fitted between the head alignment part and the nozzle to create a clearance between the head alignment part and the nozzle alignment part for mutual alignment.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: July 3, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takashi Akiyama, Masahiko Hasegawa, Kazunobu Katase, Shigeru Yokoi
  • Machining head, nozzle changer and laser beam machining apparatus
    Publication number: 20080099452
    Abstract: A machining head includes a machining head element having an inner-head channel for passing laser light and assist gas, the nozzle having an inner-nozzle channel connecting to the inner-head channel and a nozzle orifice, pins protruding radially inward from a curved inner surface of the nozzle, a pin-locking part formed on the outside of the machining head element, the pin-locking part having pin-fitting openings, a head alignment part formed on a nozzle-side end surface of the machining head element, a nozzle alignment part formed on the nozzle at a location where the nozzle is aligned with the machining head element, and an O-ring fitted between the head alignment part and the nozzle to create a clearance between the head alignment part and the nozzle alignment part for mutual alignment.
    Type: Application
    Filed: October 2, 2007
    Publication date: May 1, 2008
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takashi Akiyama, Masahiko Hasegawa, Kazunobu Katase, Shigeru Yokoi
  • Laser beam machine
    Patent number: D464363
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: October 15, 2002
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shigeru Saito, Takanori Miyake, Mitsunobu Oshimura, Kazunobu Katase