Patents by Inventor Tsuyoshi Takenaka

Tsuyoshi Takenaka 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).

  • Publication number: 20100297469
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Application
    Filed: July 28, 2010
    Publication date: November 25, 2010
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Publication number: 20100047110
    Abstract: A Ni-base superalloy of the present invention essentially includes, by weight %, Co: 9 to 11%, Cr: 9 to 12%, Mo: up to 1%, W: 6 to 9%, Al: 4 to 5%, Ti: 4 to 5%, Nb: up to 1%, Ta: up to 3%, Hf: 0.5 to 2.5%, Re: up to 3%, C: 0.05 to 0.15%, B: 0.005 to 0.015%, Zr: up to 0.05%, and the balance of Ni and inevitable impurities. This alloy, as a component material of an industrial gas turbine, has an excellent resistance to corrosion at high temperatures to deal with low-quality fuel and a resistance to oxidation at high temperatures and high-temperature strength to deal with improvement in thermal efficiency due to high-temperature demands and can ensure a high yield at a casting process.
    Type: Application
    Filed: September 8, 2009
    Publication date: February 25, 2010
    Applicants: Kawasaki Jukogyo Kabushiki Kaisha, Independent Administrative Institution National Institute for Materials Science
    Inventors: Masahiro Sato, Tsuyoshi Takenaka, Seiya Nitta, Toshiharu Kobayashi, Yutaka Koizumi, Hiroshi Harada
  • Patent number: 7665651
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: February 23, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7562802
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: July 21, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7520104
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: April 21, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7513409
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: April 7, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7416769
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: August 26, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7413107
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: August 19, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Publication number: 20080008618
    Abstract: A Ni-base superalloy of the present invention essentially includes, by weight %, Co: 9 to 11%, Cr: 9 to 12%, Mo: up to 1%, W: 6 to 9%, Al: 4 to 5%, Ti: 4 to 5%, Nb: up to 1%, Ta: up to 3%, Hf: 0.5 to 2.5%, Re: up to 3%, C: 0.05 to 0.15%, B: 0.005 to 0.015%, Zr: up to 0.05%, and the balance of Ni and inevitable impurities. This alloy, as a component material of an industrial gas turbine, has an excellent resistance to corrosion at high temperatures to deal with low-quality fuel and a resistance to oxidation at high temperatures and high-temperature strength to deal with improvement in thermal efficiency due to high-temperature demands and can ensure a high yield at a casting process.
    Type: Application
    Filed: December 21, 2004
    Publication date: January 10, 2008
    Applicants: Kawasaki Jukogyo Kabushiki Kaisha, Independent Administrative Institution National Institute for Materials Science
    Inventors: Masahiro Sato, Tsuyoshi Takenaka, Seiya Nitta, Toshiharu Kobayashi, Yutaka Koizumi, Hiroshi Harada
  • Patent number: 7287683
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: October 30, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7178303
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: February 20, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Publication number: 20060254187
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Application
    Filed: June 15, 2006
    Publication date: November 16, 2006
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Publication number: 20060254186
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Application
    Filed: June 15, 2006
    Publication date: November 16, 2006
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Publication number: 20060254188
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Application
    Filed: June 15, 2006
    Publication date: November 16, 2006
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7114304
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: October 3, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Publication number: 20060191980
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Application
    Filed: April 14, 2006
    Publication date: August 31, 2006
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Publication number: 20060191981
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Application
    Filed: April 14, 2006
    Publication date: August 31, 2006
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7073701
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: July 11, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7056594
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: June 6, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru
  • Patent number: 7032805
    Abstract: This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantially parallel plates 33, 34 and a third member 35 connecting the two plates 33, 34. The end portions of the plates 33, 34 of one panel 32 are friction-welded to the end portions of the plates 33, 34 of the other panel 32. At least one of the panels has a plate 36 at its end for connecting the plates 33 and 34 and has a rigidity to support a pressing force produced during the friction welding.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: April 25, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Kinya Aota, Tsuyoshi Takenaka, Yasuo Ishimaru