Patents by Inventor Kazunori Yamanaka

Kazunori Yamanaka 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: 7904129
    Abstract: A superconducting device comprises a dielectric substrate, and a plane-figure type resonator pattern made of a superconductive material and formed on a first face of the dielectric substrate. The resonator pattern has a notch at least a portion of which is round.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: March 8, 2011
    Assignee: Fujitsu Limited
    Inventors: Akihiko Akasegawa, Manabu Kai, Teru Nakanishi, Kazunori Yamanaka
  • Patent number: 7805954
    Abstract: The high-frequency circuit cooling apparatus comprises a package container 14 for housing a high-frequency circuit, a tank 16 for storing a gas to be introduced into the package container 14, a cold head 12 for cooling the package container 14 and the tank 16, pipes 24, 26 connected to the tank 16, for supplying the gas into the tank 16, pipes 18, 22 detachably connected between the tank 16 and the package container 14, for introducing the gas in the tank 16 into the package container 14, and pipes 34, 36 detachably connected to the package container 14, for discharging the gas in the package container 14.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: October 5, 2010
    Assignee: Fujitsu Limited
    Inventors: Kazunori Yamanaka, Teru Nakanishi
  • Patent number: 7729129
    Abstract: In a package mounting structure for mounting a package on a case, wherein the package internally incorporates at least one of a high-frequency transistor, MIC and MMIC used in the microwave to millimeter-wave band, and a base thereof is formed of metal and serves as ground, an electrically conductive sheet having excellent thermal conductivity and exhibiting restorability and having a size identical with that of the base of the package is laid on the case at a package-bearing location, the package and sheet are fastened together by two or more screws, and the sheet is mounted on the case while it is pressed by a pressing force of 10 N/cm2 or greater owing to fastening.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: June 1, 2010
    Assignee: Fujitsu Limited
    Inventors: Masafumi Shigaki, Isao Nakazawa, Kazunori Yamanaka
  • Publication number: 20100105563
    Abstract: A superconductive filter includes a superconductive filter substrate having a dielectric substrate and a plurality of resonator patterns formed on a surface of the dielectric substrate, the plurality of resonator patterns including a superconductive material; a package accommodating the superconductive filter substrate; and an intermediate substrate disposed between an inner surface of the package and the superconductive filter substrate, and thermally coupling the package and the superconductive filter substrate wherein a difference between a degree of contraction of the intermediate substrate and the degree of contraction of the dielectric substrate is smaller than a difference between the degree of contraction of the dielectric substrate and the degree of contraction of the package, when the package, the intermediate substrate, and the dielectric substrate are cooled from room temperature to a critical temperature of the resonator patterns.
    Type: Application
    Filed: October 27, 2009
    Publication date: April 29, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Teru NAKANISHI, Akihiko AKASEGAWA, Kazunori YAMANAKA, Kazuaki KURIHARA
  • Publication number: 20100073146
    Abstract: The wireless communication system sets at least one of the multiple wireless frequencies as a reception frequency from the wireless tag, and controls the temperature of a superconducting filter in response to the selected reception frequency, thereby the pass band or the rejection band of the superconducting filter is controlled.
    Type: Application
    Filed: November 25, 2009
    Publication date: March 25, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Manabu KAI, Toru MANIWA, Kazunori YAMANAKA, Akihiko AKASEGAWA, Teru NAKANISHI
  • Publication number: 20100022404
    Abstract: [PROBLEMS] To provide: a gene marker or a protein marker for detecting whether or not an Aurora A inhibitor acts in a living body in an Aurora A-specific manner when the Aurora A inhibitor is administered to the living body; and a method for predicting or diagnosing the pharmacological efficacy of an Aurora A inhibitor by using the gene marker or the protein marker [MEANS FOR SOLVING PROBLEMS] A gene/protein marker for use in the prediction or diagnosis of the pharmacological efficacy of an Aurora A inhibitor, wherein the gene is a gene selected from the group consisting of Aurora B, Histone H3, BIRC5, PRC1, DLG7, TACC3 and KNTC2 or a gene having substantially the same function as that of the gene; and a method for predicting or diagnosing the pharmacological efficacy of an Aurora A inhibitor by using the gene/protein marker.
    Type: Application
    Filed: October 5, 2007
    Publication date: January 28, 2010
    Inventors: Shinichi Hasako, Koji Ichikawa, Hideto Kotani, Satomi Miki, Katsuyoshi Miyama, Toshiyasu Shimomura, Kazuhiko Takahashi, Kazunori Yamanaka
  • Patent number: 7650174
    Abstract: A resonator pattern made of superconductive material is disposed over a first surface of a base substrate made of dielectric. An adjustment substrate made of dielectric is disposed facing the first surface at a distance from the first surface. The adjustment substrate is supported by a support mechanism for supporting the adjustment substrate in such a manner capable of changing an angle between the first surface and a surface of the adjustment substrate facing the base substrate. A superconductive filter is provided which can shift a center frequency of a filter band and suppress disturbance of a waveform of a filter characteristic, with a simple method.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: January 19, 2010
    Assignee: Fujitsu Limited
    Inventors: Tsuyoshi Aoki, Kazuaki Kurihara, Teru Nakanishi, Akihiko Akasegawa, Manabu Kai, Kazunori Yamanaka
  • Publication number: 20100009854
    Abstract: A filter includes a dielectric substrate; an electrode layer continuously formed covering a first side of the dielectric substrate; a disk-shaped electrode pattern provided on a second side of the dielectric substrate, the disk-shaped electrode pattern and the electrode layer holding the dielectric substrate therebetween; a ground slot having an opening that is formed asymmetrically with respect to the center of a circular area included in the electrode layer and exposes the dielectric substrate, the circular area and the disk-shaped electrode pattern holding the dielectric substrate therebetween.
    Type: Application
    Filed: July 7, 2009
    Publication date: January 14, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Keisuke Sato, Teru Nakanishi, Akihiko Akasegawa, Kazunori Yamanaka, Kazuaki Kurihara
  • Publication number: 20090282837
    Abstract: It is the object of the present invention to feed cooling air suitable for cooling the high-temperature part of the gas turbine. The present invention comprises a compressor, a combustor, and a turbine. Further, a turbine-cooling system to feed the gas from the compressor to the turbine is provided, and the turbine-cooling system comprises a heat exchanger to cool the gas compressed by the compressor, and a means for separating liquid from the gas cooled by the heat exchanger. Thus, according to the present invention, it becomes possible to feed cooling air suitable for cooling the high-temperature part of the gas turbine and to achieve higher reliability of the gas turbine unit.
    Type: Application
    Filed: January 4, 2008
    Publication date: November 19, 2009
    Applicant: HITACHI, LTD
    Inventors: Kazunori Yamanaka, Masami Noda, Shinya Marushima, Satoshi Kondo
  • Publication number: 20090280991
    Abstract: A three-dimensional filter includes a pair of superconductor films opposed to each other, and a three-dimensional resonator made of dielectric and situated between the superconductor films, wherein one of the superconductor films is movable relative to the three-dimensional resonator.
    Type: Application
    Filed: March 9, 2009
    Publication date: November 12, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Kazunori Yamanaka, Akihiko Akasegawa, Keisuke Sato
  • Publication number: 20090273880
    Abstract: A variable capacitor includes a metal oxide film having a perovskite structure, first and second electrode films having the metal oxide film placed therebetween and to be coupled to an external voltage source, and a bias voltage source configured to provide a bias voltage that is applied in series or parallel to a capacitance of a capacitor including the metal oxide film and the first and second electrode films, wherein the bias voltage applied by the bias voltage source to the capacitance is adapted to maximize a voltage dependency of a relative permittivity of the metal oxide film.
    Type: Application
    Filed: April 6, 2009
    Publication date: November 5, 2009
    Applicant: FUJITSU LIMITED
    Inventors: John D. Baniecki, Masatoshi Ishii, Kazuaki Kurihara, Kazunori Yamanaka
  • Publication number: 20090239752
    Abstract: A superconducting device comprises a dielectric substrate, and a plane-figure type resonator pattern made of a superconductive material and formed on a first face of the dielectric substrate. The resonator pattern has a notch at least a portion of which is round.
    Type: Application
    Filed: May 29, 2009
    Publication date: September 24, 2009
    Applicant: Fujitsu Limited
    Inventors: Akihiko Akasegawa, Manabu Kai, Teru Nakanishi, Kazunori Yamanaka
  • Patent number: 7587229
    Abstract: A superconducting tunable filter comprises a dielectric base plate; a patch-shaped resonator pattern formed of a superconducting material on the dielectric base plate; a top dielectric locally placed on the superconducting resonator pattern at a prescribed position and made of a material with an electric-field dependent permittivity; a conducting pattern formed on a top face of the top dielectric; and a bias voltage supply configured to apply a bias voltage between the conducting pattern and the superconducting resonator pattern.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: September 8, 2009
    Assignee: Fujitsu Limited
    Inventors: Masatoshi Ishii, Kazunori Yamanaka, Akihiko Akasegawa, John David Baniecki, Kazuaki Kurihara, Teru Nakanishi
  • Patent number: 7571616
    Abstract: A cooling apparatus for articles operated at low temperatures comprises a refrigerating machine and a cold head provided in the refrigerating machine. A first Peltier element is thermally contacted and fixed with the cold head, and a second Peltier element is thermally contacted and fixed with the cold head. A first article can be arranged with the first Peltier element with being thermally contacted therewith, and a second article can be arranged with the second Peltier element with being thermally contacted therewith. The cold head is cooled to low temperatures by the refrigerating machine, and temperatures of the first article and the second article each is further controlled by the first Peltier element and the second Peltier element, respectively, to thereby cool the articles to different temperatures.
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: August 11, 2009
    Assignee: Fujitsu Limited
    Inventors: Kazunori Yamanaka, Teru Nakanishi
  • Patent number: 7567145
    Abstract: A superconducting tunable filter is disclosed that has a center frequency and a bandwidth able to be adjusted separately. The superconducting tunable filter includes a superconducting resonator filter pattern formed on a dielectric substrate; a dielectric or magnetic plate above the resonator filter pattern and having a through-hole; a dielectric or magnetic rod inserted in the through-hole; and a position controller which separately controls the position of the dielectric or magnetic plate and the position of the dielectric or magnetic rod relative to the resonator filter pattern.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: July 28, 2009
    Assignee: Fujitsu Limited
    Inventors: Akihiko Akasegawa, Kazuaki Kurihara, Kazunori Yamanaka, Shigetoshi Ohshima, Atsushi Saito
  • Patent number: 7565188
    Abstract: A superconducting filter device is disclosed that is able to prevent current concentration and improve electrical surface resistance. The superconducting filter device includes a first dielectric substrate, and a bulk superconducting resonator that is embedded in the first dielectric substrate and is formed from a bulk superconducting material.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: July 21, 2009
    Assignee: Fujitsu Limited
    Inventors: Akihiko Akasegawa, Kazuaki Kurihara, Kazunori Yamanaka, Shigetoshi Ohshima, Atsushi Saito
  • Patent number: 7558608
    Abstract: A superconducting device comprises a dielectric substrate, and a plane-figure type resonator pattern made of a superconductive material and formed on a first face of the dielectric substrate. The resonator pattern has a notch at least a portion of which is round.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: July 7, 2009
    Assignee: Fujitsu Limited
    Inventors: Akihiko Akasegawa, Manabu Kai, Teru Nakanishi, Kazunori Yamanaka
  • Publication number: 20090167460
    Abstract: A superconducting tunable filter is disclosed that has a center frequency and a bandwidth able to be adjusted separately. The superconducting tunable filter includes a superconducting resonator filter pattern formed on a dielectric substrate; a dielectric or magnetic plate above the resonator filter pattern and having a through-hole; a dielectric or magnetic rod inserted in the through-hole; and a position controller which separately controls the position of the dielectric or magnetic plate and the position of the dielectric or magnetic rod relative to the resonator filter pattern.
    Type: Application
    Filed: November 30, 2006
    Publication date: July 2, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Akihiko Akasegawa, Kazuaki Kurihara, Kazunori Yamanaka, Shigetoshi Ohshima, Atsushi Saito
  • Publication number: 20090092971
    Abstract: The present invention relates to methods for detecting a dysfunctional cancer suppressing gene, particularly p53. In other aspects, the invention provides methods for diagnosing cell proliferative disorders such as cancer by measuring expression of a predetermined target gene. Methods of evaluating the efficacy of a test compound to treat a cell proliferative disorder are also included. Such methods generally rely on the expression levels of a predetermined or targeted gene.
    Type: Application
    Filed: February 1, 2006
    Publication date: April 9, 2009
    Inventors: Shinji Mizuarai, Kazunori Yamanaka, Hidehito Kotani
  • Publication number: 20090081645
    Abstract: It is intended to provide a gene for assuming drug sensitivity, which is to be used for assuming the drug sensitivity to a CDK4 inhibitor based on the expression amount in a test tissue or a test cell, selected from the group consisting of p16 gene, p18 gene and p27 gene. It is also intended to provide a method of assuming the drug sensitivity to a CDK4 inhibitor by using the expression amount of the above gene in a test tissue or a test cell as an indication.
    Type: Application
    Filed: August 2, 2005
    Publication date: March 26, 2009
    Inventors: Hidehito Kotani, Hiraku Itadani, Kazunori Yamanaka, Tomohiro Eguchi, Toshiyasu Shimomura