Patents Assigned to University of Yamanashi
  • Publication number: 20110097079
    Abstract: A complex orthogonal code in the present invention is one in which each row of a square matrix of N rows and N columns in which an element of an mth row and nth column is exp[2?j(m?1)(n?1)/N] (where j is an imaginary unit) is adopted as a code word. An optical orthogonal code for Optical Code Division Multiplexing/Optical Code Division Multiple Access (OCDM/OCDMA) is realized by a train of N-number of optical pulses corresponding to the argument (phase) of the code elements. An optical transmitter or optical receiver includes an optical correlator provided with a sampled Bragg grating having a plurality of Bragg gratings disposed serially at regular intervals inside an optical waveguide. The optical correlator is allocated any one of the code words. In the optical transmitter, an optical signal to be transmitted is encoded by the optical correlator. In the receiver, a received optical signal is decoded by the optical correlator.
    Type: Application
    Filed: December 30, 2010
    Publication date: April 28, 2011
    Applicant: UNIVERSITY OF YAMANASHI
    Inventor: Masanori HANAWA
  • Patent number: 7931821
    Abstract: An oxynitride piezoelectric material, which exhibits ferroelectricity and has good piezoelectric properties, and a method of producing the oxynitride piezoelectric material. The oxynitride piezoelectric material includes a tetragonal perovskite-type oxynitride represented by the following general formula (1): A1?xBix+?1B1?yB?y+?2O3?zNz??(1), where A represents a divalent element, B and B? each represent a tetravalent element, x represents a numerical value of 0.35 or more to 0.6 or less, y represents a numerical value of 0.35 or more to 0.6 or less, z represents a numerical value of 0.35 or more to 0.6 or less, and ?1 and ?2 each represent a numerical value of ?0.2 or more to 0.2 or less, in which the A includes at least one kind selected from Ba, Sr, and Ca and the B and the B? each include at least one kind selected from Ti, Zr, Hf, Si, Ge, and Sn.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: April 26, 2011
    Assignees: Canon Kabushiki Kaisha, Kyoto University, Tokyo Institute of Technology, University of Yamanashi, National Institute of Advanced Industrial Science and Technology, Tokyo University of Science Educational Foundation Administrative Organization
    Inventors: Hiroshi Saito, Takanori Matsuda, Kaoru Miura, Kenji Takashima, Masaki Azuma, Takashi Iijima, Hiroshi Funakubo, Soichiro Okamura, Nobuhiro Kumada, Satoshi Wada
  • Patent number: 7906889
    Abstract: Provided are a piezoelectric material without using lead or an alkali metal, the piezoelectric material having a stable crystal structure in a wide temperature range, high insulation property, and high piezoelectric property, and a piezoelectric element using the piezoelectric material, in which the piezoelectric material is made of a metal oxide having a tetragonal crystal structure and expressed by Ba(SixGeyTiz)O3 (here, 0?x?1, 0?y?1, and 0?z?0.5), the piezoelectric element includes the piezoelectric material and a pair of electrodes sandwiching the piezoelectric material, and at least one of the pair of electrodes is made of SrRuO3 or Ni.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: March 15, 2011
    Assignees: Canon Kabushiki Kaisha, Tokyo Institute of Technology, Kyoto University, University of Yamanashi, National Institute of Advanced Industrial Science and Technology, Tokyo University of Science Educational Foundation Administrative Organization
    Inventors: Tatsuo Furuta, Kaoru Miura, Kenichi Takeda, Makoto Kubota, Hiroshi Funakubo, Masaki Azuma, Nobuhiro Kumada, Satoshi Wada, Takashi Iijima, Soichiro Okamura
  • Patent number: 7902499
    Abstract: A biological sample can be subjected to measurement, description and ionization of ions is possible under atmospheric pressure without undergoing pretreatment. Imaging having a resolution on the nanometer order can be performed. An STM needle (probe) of an XYZ-axis-drive piezoelectric element is oscillated along the Z axis to contact the sample to a depth on the nanometer order and capture molecules at the needle tip. A pulsed high voltage is applied to the needle, achieving needle electrospray. The sample molecules are then desorbed and ionized, and mass spectrometry is carried out. The needle is swept in the XY directions, oscillation is repeated and an image obtained by molecular imaging of a nanometer area of the biological sample is measured. The probe may be brought into contact with a droplet produced at the tip of a capillary connected to the outlet port of a liquid chromatograph to capture a sample.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: March 8, 2011
    Assignee: University of Yamanashi
    Inventors: Kenzo Hiraoka, Atsushi Takamizawa
  • Publication number: 20110012050
    Abstract: Provided is a piezoelectric material including a lead-free perovskite-type composite oxide which is excellent in piezoelectric characteristics and temperature characteristics and is represented by the general formula (1): xABO3-yA?BO3-zA?B?O3 in which A is a Bi element; A? is a rare earth element including La; B is at least one element selected from Ti, Zn, Sn and Zr; A? is at least one element selected from Ba, Sr and Ca; B? is at least one element selected from divalent, trivalent, pentavalent, tetravalent, and hexavalent elements; and x is a value of 0.10 or more and 0.95 or less, y is a value of 0 or more and 0.5 or less, and z is a value of 0 or more and 0.7 or less, provided that x+y+z=1.
    Type: Application
    Filed: March 18, 2009
    Publication date: January 20, 2011
    Applicants: UNIVERSITY OF YAMANASHI, KYOTO UNIVERSITY, TOKYO INSTITUTE OF TECHNOLOGY, CANON KABUSHIKI KAISHA, Tokyo University of Science Educational Foundation Administrative Organization, National Institute of Advanced Industrial Science and Technology
    Inventors: Jumpei Hayashi, Zuyi Zhang, Toshihiro Ifuku, Satoshi Wada, Keisuke Yamato, Nobuhiro Kumada, Masaki Azuma, Hiroshi Funakubo, Takashi Iijima, Soichiro Okamura
  • Publication number: 20100231096
    Abstract: Provided is a piezoelectric material having a good piezoelectric property and Curie temperature (Tc) of 150° C. or higher, and a piezoelectric device using the piezoelectric material. The piezoelectric material includes a sintered body made of a perovskite-type metal oxide represented by the following general formula (1): xBi(Mg1/2Ti1/2)O3?(1?x)BaTiO3 (1), where x satisfies 0.17?x?0.8, in which an average grain size of grains contained in the sintered body is 0.5 ?m or larger to 10 ?m or smaller, and the sintered body is polycrystal. In addition, the piezoelectric device includes a piezoelectric material and a pair of electrodes disposed in contact with the piezoelectric material, in which the piezoelectric material is the above-mentioned piezoelectric material.
    Type: Application
    Filed: March 10, 2010
    Publication date: September 16, 2010
    Applicants: Canon Kabushiki Kaisha, University of Yamanashi, National Institute of Advanced Industrial Science and Technology
    Inventors: Hiroshi Saito, Toshihiro Ifuku, Satoshi Wada, Nobuhiro Kumada, Keisuke Yamato, Takashi Iijima, Bong-Yeon Lee
  • Patent number: 7794220
    Abstract: The object of this invention is to make possible the manufacturing of sheath-core type super microfilaments from sheath-core type filaments such as hollow filaments, optical filaments and conjugate filaments continuously and stably by a simple and convenient means without requiring any apparatus of high-accuracy and high-level, characterized in that original filaments delivered from sheath-core type filament supply means are heated by infrared beams and the heated sheath-core type filaments are drawn at 100 times or more by a tension provided by the own weight or under a tension of 1 MPa or less.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: September 14, 2010
    Assignee: University of Yamanashi
    Inventor: Akihiro Suzuki
  • Publication number: 20100160813
    Abstract: A first trocar as an medical apparatus includes an insertion hole having a projection opening for leading out a biopsy forceps into a body of a subject, a lid body for blocking the projection opening of the insertion hole, and a cooling sheet for cryogenically cooling a biopsy portion arranged in the vicinity of the lid body in a state where the biopsy forceps is stored in the insertion hole, and is capable of easily harvesting a living tissue while retaining morphological change of tissues in a living body under various hemodynamics.
    Type: Application
    Filed: March 9, 2010
    Publication date: June 24, 2010
    Applicants: UNIVERSITY OF YAMANASHI, OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Shinichi OHNO, Koji SHIMOMURA
  • Publication number: 20100155647
    Abstract: Provided are an oxynitride piezoelectric material which exhibits ferroelectricity and has good piezoelectric properties and a method of producing the oxynitride piezoelectric material. The oxynitride piezoelectric material includes a tetragonal perovskite-type oxynitride represented by the following general formula (1): A1-xBix+?1B1-yB?y+?2O3-zNz??(1) where A represents a divalent element, B and B? each represent a tetravalent element, x represents a numerical value of 0.35 or more to 0.6 or less, y represents a numerical value of 0.35 or more to 0.6 or less, z represents a numerical value of 0.35 or more to 0.6 or less, and ?1 and ?2 each represent a numerical value of ?0.2 or more to 0.2 or less, in which the A includes at least one kind selected from Ba, Sr, and Ca and the B and the B? each include at least one kind selected from Ti, Zr, Hf, Si, Ge, and Sn.
    Type: Application
    Filed: December 16, 2009
    Publication date: June 24, 2010
    Applicants: CANON KABUSHIKI KAISHA, KYOTO UNIVERSITY, TOKYO INSTITUTE OF TECHNOLOGY, UNIVERSITY OF YAMANASHI, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION
    Inventors: Hiroshi Saito, Takanori Matsuda, Kaoru Miura, Kenji Takashima, Masaki Azuma, Takashi Iijima, Hiroshi Funakubo, Soichiro Okamura, Nobuhiro Kumada, Satoshi Wada
  • Publication number: 20100129832
    Abstract: By detecting an antibody which immunologically reacts with amylase ?2-A in a sample, AIP or FT1DM is examined or the possibility of developing FT1DM is determined. Detection of this antibody is for instance carried out by an immunological method using an antigen which immunologically reacts with this antibody. The antigen is preferably a partial fragment containing the amino acid sequence of amino acid numbers 299 to 512 of human amylase ?2-A.
    Type: Application
    Filed: May 2, 2008
    Publication date: May 27, 2010
    Applicants: UNIVERSITY OF YAMANASHI, COSMIC CORPORATION
    Inventors: Tetsuro Kobayashi, Toyoshi Endo, Atsushi Sakuraoka
  • Publication number: 20100025617
    Abstract: Provided is a piezoelectric material excellent in piezoelectricity. The piezoelectric material includes a perovskite-type complex oxide represented by the following General Formula (1). A (ZnxTi1-x))yM(1-y)O3??(1) wherein A represents at least one kind of element containing at least a Bi element and selected from a trivalent metal element; M represents at least one kind of element of Fe, Al, Sc, Mn, Y, Ga, and Yb; x represents a numerical value satisfying 0.4?x?0.6; and y represents a numerical value satisfying 0.1?y?0.9.
    Type: Application
    Filed: July 24, 2009
    Publication date: February 4, 2010
    Applicants: CANON KABUSHIKI KAISHA, KYOTO UNIVERSITY, TOKYO INSTITUTE OF TECHNOLOGY, SOPHIA UNIVERSITY, UNIVERSITY OF YAMANASHI, National Institute of Advanced Industrial Sciences and Technology, Tokyo University of Science Educational Foundation Administrative Organization
    Inventors: Makoto Kubota, Kaoru Miura, Toshihiro Ifuku, Jumpei Hayashi, Masaki Azuma, Olga Alexandrovna Smirnova, Hiroshi Funakubo, Hiroshi Uchida, Nobuhiro Kumada, Satoshi Wada, Takashi Iijima, Soichiro Okamura
  • Publication number: 20100025618
    Abstract: Provided is a piezoelectric material which includes a compound free of lead and alkali metal and has a good piezoelectric property. The piezoelectric material where tungsten bronze structure oxides being free of lead and alkali metal and represented by AxB10O30 and A?x?B?10O30 are combined to form a morphotropic phase boundary has good piezoelectric property. The AxB10O30 is b(Ba5?5?Bi10?/3Nb10O30)+(1?b)(Ba4Ag2Nb10O30) (0?b?1 and 0<??0.4), and the A?x?B?10O30 is c(Sr5Nb10O30)+d(Ca5Nb10O30)+e(Ba5Nb10O30) (0?c?0.8, 0?d?0.4, 0.1?e?0.9, and c+d+e=1).
    Type: Application
    Filed: July 24, 2009
    Publication date: February 4, 2010
    Applicants: CANON KABUSHIKI KAISHA, UNIVERSITY OF YAMANASHI, TOKYO INSTITUTE OF TECHNOLOGY, NATIONAL INTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Takayuki Watanabe, Takanori Matsuda, Hiroshi Saito, Hiroshi Funakubo, Nobuhiro Kumada, Takashi Iijima, Bong-Yeon Lee
  • Patent number: 7651671
    Abstract: The present invention is for dissolving a metal complex and a low-pressure additive gas in a supercritical fluid and supplying the same continuously to a reaction vessel, aiming to provide a method and an apparatus for adding a low-pressure gas to a high-pressure supercritical fluid continuously, so that a gas which should be handled with care, such as a combustible gas, can be added to a supercritical fluid without compression. The method for continuously adding a low-pressure gas to a supercritical fluid comprises supplying a reactant gas to a supercritical fluid or a subcritical fluid by repeating, in an alternate manner, a step of storing a reactant gas midway through a piping in a low-pressure state and a step of carrying the reactant gas toward a reaction vessel with the supercritical fluid or the subcritical fluid, so that the reactant gas is continuously charged in the reaction vessel.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: January 26, 2010
    Assignee: National University Corporation University of Yamanashi
    Inventor: Eiichi Kondoh
  • Publication number: 20090315432
    Abstract: Provided are a piezoelectric material without using lead or an alkali metal, the piezoelectric material having a stable crystal structure in a wide temperature range, high insulation property, and high piezoelectric property, and a piezoelectric element using the piezoelectric material, in which the piezoelectric material is made of a metal oxide having a tetragonal crystal structure and expressed by Ba(SixGeyTiz)O3 (here, 0?x?1, 0?y?1, and 0?z?0.5), the piezoelectric element includes the piezoelectric material and a pair of electrodes sandwiching the piezoelectric material, and at least one of the pair of electrodes is made of SrRuO3 or Ni.
    Type: Application
    Filed: May 22, 2009
    Publication date: December 24, 2009
    Applicants: Canon Kabushiki Kaisha, Tokyo Institute of Technology, Kyoto University, University of Yamanashi, National Institute of Advanced Industrial Science and Technology, Tokyo University of Science Educational Foundation Administrative Organization
    Inventors: Tatsuo Furuta, Kaoru Miura, Kenichi Takeda, Makoto Kubota, Hiroshi Funakubo, Masaki Azuma, Nobuhiro Kumada, Satoshi Wada, Takashi Iijima, Soichiro Okamura
  • Publication number: 20090297508
    Abstract: The present invention provides a method for screening compounds to identify therapeutic candidates for treating hemostasis disorders, the method includes the steps of contacting a cell that expresses a CLEC-2 receptor with a test compound and a CLEC-2 receptor ligand, under conditions which, but for the presence of the test compound, permit binding of the CLEC-2 receptor to the CLEC-2 receptor ligand; and detecting if any increase or decrease in an indicator of CLEC-2 receptor activity is observed in comparison to a control; wherein an increase or decrease in the indicator in comparison to the control indicates that the test compound is a candidate for modulating hemostasis.
    Type: Application
    Filed: April 24, 2006
    Publication date: December 3, 2009
    Applicant: UNIVERSITY OF YAMANASHI
    Inventors: Yukio Ozaki, Katsue Inoue, Steve P. Watson
  • Publication number: 20090214926
    Abstract: A metallic separator for fuel cells having a metal plate, an electroconductive coating layer covering at least a surface in front and back surfaces of the metal plate which contacts a raw material and/or a reaction product, and an electroconductive channel-forming member disposed on a surface of the coating layer and forming a channel for the raw material and/or the reaction product and/or a channel for a cooling medium for cooling. A surface layer on the metal plate has a tensile residual stress within such a range that no stress-corrosion cracking occurs.
    Type: Application
    Filed: June 16, 2006
    Publication date: August 27, 2009
    Applicant: UNIVERSITY OF YAMANASHI
    Inventors: Masahiro Watanabe, Hiroyuki Uchida, Hisao Yamashita, Kenji Miyatake
  • Patent number: 7575554
    Abstract: In medical situation, a self breathing holding method using no breathing monitoring device shows inferior accuracy in holding breathing by a patient with poor understanding of the self breathing holding method. In view of the above, development of a readily understandable breathing holding method and breathing monitoring device with high accuracy has been desired. A breathing monitoring device having a multi-point detector comprises a housing mounted to a treatment couch for a patient to lie thereon, so as to cover the patient's body, such as a chest, an abdomen, or the like; a displacement amount determination unit mounted to the housing, for determining displacement amounts of at least two points on the patient's chest and abdomen; and a respiration level determination unit for determining a combined displacement amount which is a combination of the displacement amounts determined of the patient's chest and abdomen due to respiration.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: August 18, 2009
    Assignee: University of Yamanashi
    Inventor: Hiroshi Onishi
  • Publication number: 20090082687
    Abstract: In medical situation, a self breathing holding method using no breathing monitoring device shows inferior accuracy in holding breathing by a patient with poor understanding of the self breathing holding method. In view of the above, development of a readily understandable breathing holding method and breathing monitoring device with high accuracy has been desired. A breathing monitoring device having a multi-point detector comprises a housing mounted to a treatment couch for a patient to lie thereon, so as to cover the patient's body, such as a chest, an abdomen, or the like; a displacement amount determination unit mounted to the housing, for determining displacement amounts of at least two points on the patient's chest and abdomen; and a respiration level determination unit for determining a combined displacement amount which is a combination of the displacement amounts determined of the patient's chest and abdomen due to respiration.
    Type: Application
    Filed: September 21, 2007
    Publication date: March 26, 2009
    Applicant: UNIVERSITY OF YAMANASHI
    Inventor: Hiroshi Onishi
  • Patent number: 7465920
    Abstract: A laser spray method exhibiting a high detection sensitivity when applied to mass analysis has its sensitivity raised further. In a laser spray method of ionizing a liquid sample by irradiating, with a laser beam, the end of a capillary into which the sample has been introduced, use is made of an infrared laser as the laser beam, at least the end of the capillary is formed of a substance that does not readily absorb the laser beam used, and either the capillary is formed of a conductor and a high voltage is applied thereto, or the capillary is formed of an insulator, a conductive wire is placed inside a small cavity of the capillary and a high voltage is applied to the conductive wire.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: December 16, 2008
    Assignee: University of Yamanashi
    Inventor: Kenzo Hiraoka
  • Publication number: 20080085387
    Abstract: An electromagnetic shielding material is formed of a tubular electromagnetic shielding material made of a vinyl based conductive polymer fiber represented by formula (2). The tubular electromagnetic shielding material is produced by forming a tubular compact made of a vinyl based conductive polymer precursor fiber represented by formula (1), and heating the tubular compact to eliminate a leaving group from the precursor fiber. where R1 represents an aromatic hydrocarbon group or a hetero hydrocarbon group, and R2 represents the leaving group.
    Type: Application
    Filed: August 20, 2007
    Publication date: April 10, 2008
    Applicants: HITACHI CABLE, LTD., UNIVERSITY OF YAMANASHI
    Inventors: Takashi AOYAMA, Tomiya ABE, Hidenori OKUZAKI, Yuzo ITO