Patents by Inventor Yoshitoshi Suzuki

Yoshitoshi Suzuki 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).

  • Device and method for repairing inside of reactor pressure vessel
    Patent number: 6636579
    Abstract: An opening portion 3 is produced by cutting a recirculating piping 72 connected to a recirculating nozzle 2 of a reactor pressure vessel 1. A repairing device is brought into an annulus 10 of the reactor pressure vessel 1 from the opening 3, thereby repairing the annulus 10.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: October 21, 2003
    Assignees: Hitachi, Ltd., Babcock-Hitachi K.K., Hestec Service Co., Ltd.
    Inventors: Kouichi Kurosawa, Youichi Mahara, Toshiharu Nagashima, Kazuhiro Nitta, Shinji Go, Yoshitoshi Suzuki, Katsuhiko Hirano
  • Device and method for repairing inside of reactor pressure vessel
    Publication number: 20030128794
    Abstract: An opening portion 3 is produced by cutting a recirculating piping 72 connected to a recirculating nozzle 2 of a reactor pressure vessel 1. A repairing device is brought into an annulus 10 of the reactor pressure vessel 1 from the opening 3, thereby repairing the annulus 10.
    Type: Application
    Filed: September 30, 2002
    Publication date: July 10, 2003
    Applicant: HITACHI, LTD., BABCOCK-HITACHI K.K.
    Inventors: Kouichi Kurosawa, Youichi Mahara, Toshiharu Nagashima, Kazuhiro Nitta, Shinji Go, Yoshitoshi Suzuki, Katsuhiko Hirano
  • Device and method for repairing inside of reactor pressure vessel
    Publication number: 20020064250
    Abstract: An opening portion 3 is produced by cutting a recirculating piping 72 connected to a recirculating nozzle 2 of a reactor pressure vessel 1. A repairing device is brought into an annulus 10 of the reactor pressure vessel 1 from the opening 3, thereby repairing the annulus 10.
    Type: Application
    Filed: September 14, 2001
    Publication date: May 30, 2002
    Inventors: Kouichi Kurosawa, Youichi Mahara, Toshiharu Nagashima, Kazuhiro Nitta, Shinji Go, Yoshitoshi Suzuki, Katsuhiko Hirano