Patents Assigned to National University Corporation Hokkaido Universit
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Publication number: 20180179057Abstract: A hydrogen storage carbon material having a carbon structure suited for hydrogen storage and a production method thereof. The hydrogen storage carbon material according to this embodiment includes a carbon structure which has a ratio of an ultramicropore volume to a micropore volume of 60% or more, and in which stored hydrogen exhibits, in 1H-NMR measurement, a second peak at a position corresponding to a chemical shift of from ?2 ppm to ?20 ppm with respect to a first peak attributed to gaseous hydrogen.Type: ApplicationFiled: June 17, 2016Publication date: June 28, 2018Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSIT Y, NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, NISSHINBO HOLDINGS INC.Inventors: Haruo KUMAGAI, Jun-ichi OZAKI, Asao OYA, Takafumi ISHII, Takuya MAIE, Rieko KOBAYASHI, Yasuo IMASHIRO
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Publication number: 20170373173Abstract: This semiconductor device comprises an active layer that is formed of an oxide magnetic material and a porous dielectric body that contains water and is provided on the active layer. By using hydrogen and oxygen which are formed by electrolysis of water, the crystal structure of the active layer is changed between a ferromagnetic metal and an antiferromagnetic insulating body.Type: ApplicationFiled: January 6, 2016Publication date: December 28, 2017Applicant: National University Corporation Hokkaido UniversitInventors: Hiromichi OHTA, Takayoshi KATASE, Yuki SUZUKI
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Publication number: 20160352238Abstract: A power conversion circuit uses a multiphase AC power source as an input and has a plurality of bidirectional switches each of which is connected to each phase of the multiphase AC power source. A switching control circuit controls the states of the plurality of bidirectional switches and switches a combination of two phases of the multiphase AC power source, relating to interphase voltage to be outputted from the power conversion circuit to a load side. A resonant circuit is connected to an output side of the power conversion circuit. The switching control circuit, at a time of switching of the combination of the two phases that output the interphase voltage to the load side, switches the states of the bidirectional switches relating to the switching, by soft switching.Type: ApplicationFiled: January 27, 2015Publication date: December 1, 2016Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSIT Y, Omron CorporationInventors: Satoshi OGASAWARA, Agnes HADINATA, Takashi HYODO
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Publication number: 20130004936Abstract: The present invention discloses a supercooling promoting agent comprising a tannin for producing practical water which does not freeze. As the tannin, a hydrolyzable tannin such as 2,3,6-tri-O-galloyl-?,?-D-hamamelose, 1,2,6-tri-O-galloyl-?-D-glucose, and a vitrification liquid, each of which contains the supercooling promoting agent are useful as a solution or the like for storing a biological material at low temperature.Type: ApplicationFiled: March 3, 2011Publication date: January 3, 2013Applicant: National University Corporation Hokkaido UniversitInventors: Seizo Fujikawa, Yukiharu Fukiharu, Keita Arakawa, Hiroshi Nishioka
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Publication number: 20120115776Abstract: Disclosed is a technique that facilitates the oral ingestion of adiponectin in a large quantity and enables the expansion of the range of use applications of adiponectin. Specifically disclosed is an appetite control agent for oral administration, which comprises adiponectin as an active ingredient. Particularly, the appetite control agent comprises a transformant capable of expressing adiponectin. Also specifically disclosed is a food composition for controlling appetite, which comprises the appetite control agent.Type: ApplicationFiled: January 18, 2010Publication date: May 10, 2012Applicants: National Institute of Advanced Industrial Science, National University Corporation Hokkaido Universit, Hokusan Co., Ltd.Inventors: Takeshi Matsumura, Rie Yasuno, Chihiro Sugimoto, Noriko Tabayashi, Uiko Kagaya, Hiroko Miyashiro
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Publication number: 20110275108Abstract: An objective of the present invention is to provide a glycan releasing method which can be applied to construction of a system for automation of glycan analysis, and particularly a glycan releasing method capable of analyzing an O-linked glycan. The objective could be achieved as a result of finding that the pH is lowered by using an ammonium salt or ammonium ion in the absence of concentrated aqueous ammonia, not using concentrated aqueous ammonia, thus drastically avoiding an undesired side reaction such as a peeling reaction or the like.Type: ApplicationFiled: August 11, 2009Publication date: November 10, 2011Applicant: National University Corporation Hokkaido UniversitInventors: Shin-Ichiro Nishimura, Yoshiaki Miura
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Publication number: 20110243517Abstract: A multi-core fiber of the present invention employs the multi-core fiber mode, which corresponds to the “uncoupled” operation aspect in which individual cores are used independently for single-mode transmission, to perform space division multiplexing transmission using a multi-core fiber in which multiple single-mode cores are stored in one optical fiber. More specifically, the multi-core fiber of the present invention forms an uncoupled multi-core fiber that makes individual cores correspond to single-mode, independent transmission channels.Type: ApplicationFiled: October 2, 2009Publication date: October 6, 2011Applicants: National University Corporation Yokohama National University, National University Corporation Hokkaido UniversitInventors: Yasuo Kokubun, Masanori Koshiba, Toshio Morioka
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Publication number: 20110188855Abstract: The multi-core fiber of the present invention uses a multi-core fiber configuration, compatible with the “coupled” operation mode in which coupling between cores is positively utilized, to carry out mode division multiplexing transmission via a multi-core fiber that contains multiple single-mode cores in one optical fiber. The multi-core fiber of the present invention uses a configuration in which mode multiplexing transmission is carried out using a multi-core fiber that contains multiple single-mode cores in one optical fiber, wherein multiple cores are strongly coupled intentionally to form a coupled multi-core fiber that makes the coupled modes correspond, one to one, to the transmission channels.Type: ApplicationFiled: October 2, 2009Publication date: August 4, 2011Applicants: NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITInventors: Yasuo Kokubun, Masanori Koshiba, Toshio Morioka
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Publication number: 20110091956Abstract: Provided are a biomolecule-immobilized carrier obtained by immobilizing a biomolecule having a membrane-binding peptide containing a C terminal polypeptide of fucosyltransferase derived from Helicobacter pylori or a membrane-binding molecule having the membrane-binding peptide and various biomolecules and a method for immobilizing a biomolecule to a carrier, particularly a biomolecule-immobilized magnetic microparticle, a probe-immobilized carrier using the biomolecule and/or the membrane-binding molecule are/is used as a probe, and a separating agent for a biomolecule to which the biomolecule-immobilized magnetic microparticle is applied. A biomolecule having a membrane-binding peptide containing either an amino acid sequence represented by SEQ ID NO: 1 or an amino acid sequence encoded by a base sequence represented by SEQ ID NO: 2 and/or a membrane-binding molecule having the membrane-binding peptide and the biomolecule are/is attached to a carrier coated with an organic membrane containing a phospholipid.Type: ApplicationFiled: February 20, 2009Publication date: April 21, 2011Applicant: National University Corporation Hokkaido UniversitInventors: Shin-Ichiro Nishimura, Kentaro Naruchi
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Publication number: 20110092427Abstract: Disclosed is a novel polypeptide which can inhibit angiogenesis. Also disclosed is use of the polypeptide. The polypeptide comprises at least one amino acid sequence selected from the amino acid sequences depicted in SEQ ID NOs: 1-3, is composed of 120 or less amino acid residues, and has an anti-angiogenic activity. The polypeptide has an anti-angiogenic activity, has a lower molecular weight compared with that of PEDF, and has excellent penetration or absorption into a living body, particularly an affected part in a living body.Type: ApplicationFiled: March 17, 2009Publication date: April 21, 2011Applicants: National University Corporation Hokkaido Universit y, Kurume UniversityInventors: Riichiro Abe, Hiroshi Shimizu, Kazuo Nakamura, Takanori Matsui, Tsutomu Imaizumi, Sho-ichi Yamagishi
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Publication number: 20090142781Abstract: A chemiluminescent enzyme immunoassay method whereby a target substance such as a protein is assayed. This chemiluminescent enzyme immunoassay method comprises: the step of capturing an immune complex containing an enzyme-labeled antibody, which is labeled with an enzyme acting a chemiluminescent substrate, and the target substance on a support having no solution layer; the step of overlaying a support membrane containing the chemiluminescent substrate on the immune complex having been captured above; and the step of measuring the luminescence dose caused by the reaction between the enzyme-labeled antibody and the chemiluminescent substrate to thereby quantify the target substance.Type: ApplicationFiled: October 30, 2006Publication date: June 4, 2009Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITInventors: Koichi Shimizu, Takeshi Kawaguchi, Yasuyo Maeda, Takehide Matsuda
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Publication number: 20090136563Abstract: A method for coating an object, i.e. a particle, with two sheets of lipid film having a space formed there between. In the method for coating a particle having a positive electrostatic-charging property with two sheets of lipid film, the particle having a positive electrostatic-charging property is brought into contact with a plurality of SUV type liposomes having a negative electrostatic-charging property to form a complex having a negative electrostatic-charging property containing the particle having a positive electrostatic-charging property and the SUV type liposomes having a negative electrostatic-charging property coupled electrostatically with the particle having a positive electrostatic-charging property, and then the complex having a negative electrostatic-charging property is treated with cation.Type: ApplicationFiled: January 18, 2006Publication date: May 28, 2009Applicants: National University Corporation Hokkaido Universit, Shionogi & Co., Ltd.Inventors: Kentaro Kogure, Arisa Minoura, Hideyoshi Harashima
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Publication number: 20080197281Abstract: There is provided an electron microscopic method capable of realizing a high resolution based on the principle of the phase retrieval method. An electron microscope (10) using the method is a device dedicated to the phase retrieval method in which hardware (incident system (100), a sample system (200), a detection system (300), a computer system (400)) and software (constriction condition, optimization method) are formed into a unitary block. The intensity distribution and the phase distribution of the support slit (210) are given as a real space constriction condition. The detection system (300) includes a course system having an objective lens (310) and a course detector (320) and a fine system has a fine detector (330). The course image is acquired by electrically turning on the objective lens. After acquiring the diffraction pattern by electrically turning off the objective lens, the fine image is reconfigured by the phase retrieval method using the obtained course image and diffraction pattern.Type: ApplicationFiled: May 20, 2005Publication date: August 21, 2008Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITInventor: Kazutoshi Gohara
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Publication number: 20070244009Abstract: The present invention provides an agent for inhibiting bolting induction and/or floral-bud differentiation in plants and the method for inhibiting the bolting induction and/or floral differentiation of plants using the above-mentioned agent for inhibiting bolting induction and/or floral-bud differentiation in plants. Theobroxide or its analog is used as the agent for inhibiting bolting induction and/or floral-bud differentiation in plants. The agent for inhibiting bolting induction and/or floral-bud differentiation in plants is applied under a plant's bolting induction and/or floral differentiation condition, and controls the bolting induction and/or floral differentiation of the plant. In the case of long-day plants, such as spinach, wherein their bolting induction and floral differentiation occur under a long-day condition, spraying on plants is done under the corresponding long-day condition.Type: ApplicationFiled: July 5, 2005Publication date: October 18, 2007Applicant: National University Corporation Hokkaido UniversitInventors: Teruhiko Yoshihara, Hideyuki Matsuura, Kousaku Takahashi