Patents by Inventor Naokazu Iwanade

Naokazu Iwanade 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: 8110736
    Abstract: The present invention according to one preferred embodiment provides a thermoelectric element device comprising a first electrode including an electrode member, an elastic member that has electrically conductive and is provided on the electrode member, and a heat uniforming member that has electrically conductive and is provided on the elastic member; a thermoelectric element that is made of a thermoelectric material having thermoelectric effect and arranged on the first electrode so as to contact the heat uniforming member; and a second electrode arranged on the thermoelectric element.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: February 7, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Naokazu Iwanade, Naruhito Kondo, Osamu Tsuneoka, Kazuki Tateyama, Takahiro Sogou
  • Publication number: 20100101619
    Abstract: There is provided a thermoelectric device capable of improving a power generation performance while keeping a hermetic sealing after a heat cycle is applied, and also achieving simplification of a structure and improvement in productivity and reliability of a device by reducing the number of articles, and a method of manufacturing the same. A thermoelectric device, includes a metal substrate 2, a thermoelectric element 3 mounted on a center portion of a surface of the metal substrate 2, a metal lid 4 for covering an upper surface and side surfaces of the thermoelectric element 3, and a joining metal member 5 provided to a peripheral portion of a surface of the metal substrate 2 to hermetically seal a space between the metal substrate 2 and the lid 4.
    Type: Application
    Filed: January 5, 2010
    Publication date: April 29, 2010
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takahiro SOGOU, Kazuki Tateyama, Hiroyoshi Hanada, Yasuhito Saito, Masayuki Arakawa, Naruhito Kondo, Osamu Tsuneoka, Naokazu Iwanade
  • Publication number: 20070125416
    Abstract: The thermoelectric material is represented by the following composition formula of (Tia1Zrb1Hfc1)xAyB100-x-y, in which element A is at least one element selected from the group consisting of Ni and Co, element B is at least one element selected from the group consisting of Sn and Sb, 0?a1?1, 0?b1?1, 0?c1?1, and a1+b1+c1=1 hold, and 30?x?35 and 30?y?35 hold, and the thermoelectric material comprises a phase having an MgAgAs type crystal structure as a major phase. In this thermoelectric material, the density of the thermoelectric material is more than 99.0% of the true density. When this thermoelectric material is used for either one or both of p-type elements and n-type elements, a thermoelectric conversion device having high thermoelectric conversion performance is realized.
    Type: Application
    Filed: December 6, 2006
    Publication date: June 7, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naokazu Iwanade, Naruhito Kondo, Osamu Tsuneoka
  • Publication number: 20070044828
    Abstract: The present invention according to one preferred embodiment provides a thermoelectric element device comprising a first electrode including an electrode member, an elastic member that has electrically conductive and is provided on the electrode member, and a heat uniforming member that has electrically conductive and is provided on the elastic member; a thermoelectric element that is made of a thermoelectric material having thermoelectric effect and arranged on the first electrode so as to contact the heat uniforming member; and a second electrode arranged on the thermoelectric element
    Type: Application
    Filed: August 24, 2006
    Publication date: March 1, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naokazu Iwanade, Naruhito Kondo, Osamu Tsuneoka, Kazuki Tateyama, Takahiro Sogou
  • Publication number: 20070028955
    Abstract: There is provided a thermoelectric device capable of improving a power generation performance while keeping a hermetic sealing after a heat cycle is applied, and also achieving simplification of a structure and improvement in productivity and reliability of a device by reducing the number of articles, and a method of manufacturing the same. A thermoelectric device, includes a metal substrate 2, a thermoelectric element 3 mounted on a center portion of a surface of the metal substrate 2, a metal lid 4 for covering an upper surface and side surfaces of the thermoelectric element 3, and a joining metal member 5 provided to a peripheral portion of a surface of the metal substrate 2 to hermetically seal a space between the metal substrate 2 and the lid 4.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 8, 2007
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takahiro Sogou, Kazuki Tateyama, Hiroyoshi Hanada, Yasuhito Saito, Masayuki Arakawa, Naruhito Kondo, Osamu Tsuneoka, Naokazu Iwanade
  • Publication number: 20060118159
    Abstract: A thermoelectric direct conversion device is foemed of a plurality of thermoelectric direct conversion semiconductor pairs each including a p-type semiconductor and an n-type semiconductor; a plurality of high-temperature electrodes and a plurality of low-temperature electrodes each electrically connecting the p-type semiconductor and the n-type semiconductor; a high-temperature insulating plate and a low-temperature insulating plate each thermally connected to the plurality of thermoelectric direct conversion semiconductor pairs via the plurality of high-temperature electrodes and the plurality of low-temperature electrodes, respectively; at least one diffusion barrier layer is disposed between the high- or low-temperature electrodes and the thermoelectric direct conversion semiconductor pairs, and the entire device is hermetically sealed up within an airtight case containing a vacuum or inert gas atmosphere, whereby diffusion between the electrodes and the semiconductor pairs is prevented to provide a therm
    Type: Application
    Filed: October 24, 2005
    Publication date: June 8, 2006
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Osamu Tsuneoka, Naruhito Kondo, Naokazu Iwanade, Akihiro Hara, Kazuki Tateyama