Patents Assigned to Okayama University
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Patent number: 9211534Abstract: There is provided a metalloporphyrin complex represented by general formula (1): wherein M is a metal; A1 to A4 are independently of each other a substituent represented by general formula (2): -D-E+X???(2) wherein D is a divalent organic group having 1 to 20 carbon atoms; E+ is a quaternary ammonium group or quaternary phosphonium group having 3 to 60 carbon atoms; and X is a halogen atom. There is thus provided a metalloporphyrin complex which, when used as a carbon dioxide fixation catalyst, exhibits high catalytic activity, has a small environmental burden and can be easily synthesized.Type: GrantFiled: September 19, 2012Date of Patent: December 15, 2015Assignee: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Tadashi Ema, Takashi Sakai, Yuki Miyazaki
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Patent number: 9186433Abstract: A kit for bonding to biological hard tissues, containing a phosphorylated polysaccharide, a polyvalent metal salt other than phosphates, and a solvent. The adhesive composition for biological hard tissues provided by the kit for bonding to biological hard tissues is suitably used in for medical uses, such as cement for bones or dental cement.Type: GrantFiled: February 22, 2011Date of Patent: November 17, 2015Assignees: National University Corporation Okayama University, Junsei Educational InstitutionInventors: Yasuhiro Yoshida, Masato Tanaka, Kazuomi Suzuki, Toshifumi Ozaki, Tomohiro Takahata, Masao Irie, Mariko Nakamura, Mitsunobu Kawashima, Yamato Nojiri, Koichi Okada, Masahiro Nagao
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Patent number: 9146214Abstract: A magnetic flux leakage inspection method generates a magnetic flux parallel to a surface of an inspected object, and detects a magnetic flux that leaks from the surface of the inspected object with a magnetic sensor. The method includes exciting coils that generate an alternating magnetic field having a variable frequency, an exciting coil power source, a magnetic sensor, a lock-in detector, and a signal analyzer that analyzes changes of a signal intensity and a phase of the output of the magnetic sensor with output signals of the lock-in detector. The method obtains cosine or sine as a trigonometric function of a phase obtained by adding to the phase at each measurement point of multipoint measurement, an adjustment phase common to all the measurement points, and displays an analytical value obtained by multiplying the signal intensity and the sine or cosine at each measurement point with any adjustment phase.Type: GrantFiled: May 28, 2010Date of Patent: September 29, 2015Assignee: National University Corporation Okayama UniversityInventor: Keiji Tsukada
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Publication number: 20150141322Abstract: The present invention provides a therapeutic agent, a treatment method and an inspection method for diseases caused by activation of neutrophils. More specifically, the invention relates to a neutrophil activation regulator which comprising a histidine-rich glycoprotein (HRG) as an active ingredient, and provides a therapeutic agent for diseases caused by neutrophil activation comprising the neutrophil activation regulator, a treatment method for diseases caused by neutrophil activation, and further an inspection method for diseases caused by neutrophil activation. The present invention is based on the neutrophil activation regulator including the HRG as an active ingredient. The present invention extends to the depressant agent for neutrophil-vascular endothelial cell interaction including the HRG of the present invention as an active ingredient, the treatment method for diseases caused by neutrophil activation and/or inflammatory diseases accompanied by neutrophil activation.Type: ApplicationFiled: May 28, 2013Publication date: May 21, 2015Applicant: National University Corporation Okayama UniversityInventors: Masahiro Nishibori, Shuji Mori, Hidenori Wake, Hideo Takahashi, Keyue Liu, Kiyoshi Teshigawara, Masakiyo Sakaguchi
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Publication number: 20150125611Abstract: Provide are a peptide gel with practically sufficient mechanical strength and a self-assembling peptide capable of forming the peptide gel. The self-assembling peptide is formed of the following amino acid sequence: a1b1c1b2a2b3db4a3b5c2b6a4 where: a1 to a4 each represent a basic amino acid residue; b1 to b6 each represent an uncharged polar amino acid residue and/or a hydrophobic amino acid residue, provided that at least five thereof each represent a hydrophobic amino acid residue; c1 and c2 each represent an acidic amino acid residue; and d represents a hydrophobic amino acid residue.Type: ApplicationFiled: January 12, 2015Publication date: May 7, 2015Applicants: Menicon Co., Ltd., National University Corporation Okayama UniversityInventors: Yusuke NAGAI, Hidenori Yokoi, Koji Uesugi, Keiji Naruse
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Patent number: 8998805Abstract: A laryngoscope is provided with which an operator can directly observe the trachea inlet portion of a patient easily by safely and surely lifting the epiglottis of the patient with a proximal end portion of a laryngoscope blade which is inserted in the mouth of the patient. The blade is connected to a distal end portion of a grippable handle, a first electrode is mounted on a distal end portion of the blade, and a second electrode is configured to adhere to a skin surface of the patient in the vicinity of the epiglottis, and a low frequency current is supplied to flow between the first electrode and the second electrode.Type: GrantFiled: August 19, 2010Date of Patent: April 7, 2015Assignee: National University Corporation Okayama UniversityInventors: Yoshimasa Takeda, Kiyoshi Morita, Takeharu Kobayashi
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Patent number: 8999298Abstract: A dental composition for oral use, containing a phosphorylated saccharide (a), a polyphosphoric acid and/or a salt thereof (b), and a cationic bactericidal agent (c), wherein a ratio of a total amount of the phosphorylated saccharide (a) and the polyphosphoric acid and/or a salt thereof (b) contained to an amount of the cationic bactericidal agent (c) contained, i.e. {(a)+(b)}/(c), is from 0.05 to 20 in a weight ratio.Type: GrantFiled: January 15, 2009Date of Patent: April 7, 2015Assignee: National University Corporation Okayama UniversityInventors: Yasuhiro Yoshida, Naoko Namba, Noriyuki Nagaoka, Shogo Takashiba, Kazuomi Suzuki, Yamato Nojiri, Hiroshige Ishino, Takahiro Sekiguchi, Koichi Okada
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Patent number: 8993000Abstract: Provided is an efficient method of inducing differentiation of a pulp cell into an odontoblast. Also provided is an agent for inducing differentiation capable of inducing differentiation into an odontoblast efficiently. The method of inducing differentiation of a pulp cell into an odontoblast includes using a substance capable of activating a Wnt signaling pathway. Further, the agent for inducing differentiation includes a substance capable of activating a Wnt signaling pathway. Specifically, the substance capable of activating a Wnt signaling pathway is any one selected from sodium perchlorate, sodium perchlorate, lithium chloride, Norrin, and R-Spondin2.Type: GrantFiled: November 16, 2010Date of Patent: March 31, 2015Assignee: National University Corporation Okayama UniversityInventors: Takashi Yamashiro, Hiroshi Kurosaka, Noriaki Kawanabe
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Publication number: 20150079626Abstract: The present invention relates to a method of obtaining a cell population containing cancer stem cells, which comprises culturing iPS cells in the presence of culture supernatant of cancer cells.Type: ApplicationFiled: March 18, 2014Publication date: March 19, 2015Applicants: LSIP, LLC, National University Corporation Okayama UniversityInventors: Masaharu SENO, Akifumi MIZUTANI, Tomonari KASAI
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Publication number: 20150080551Abstract: There is provided a lysine oligomer derivative, wherein an ?-amino group and a carboxyl group of lysines are linked via a peptide bond, and a group capable of generating or absorbing electromagnetic wave is bonded to a C-terminal carboxyl group, an N-terminal amino group and/or an ?-amino group. This lysine oligomer derivative has the characteristic of specifically accumulating in the cartilage matrix and can generate or absorb an electromagnetic wave, and is, therefore, useful as a cartilage tissue marker.Type: ApplicationFiled: March 13, 2013Publication date: March 19, 2015Applicant: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Toshitaka Oohashi, Hiroki Kakuta
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Patent number: 8980580Abstract: The present invention relates to a method of removing an intron contained in a gene from a eukaryotic gene, and linking only the exon sequences to prepare an expression vector comprising the linked sequences. Specifically, the invention relates to a method of preparing an expression vector containing linked exon sequences comprising amplifying exon sequences by PCR as one or more fragments from a giant fungal gene containing an intron, and linking the fragments together with a restriction enzyme-treated vector using the gap repair cloning method; a method of preparing an expression vector containing a full-length cDNA sequence by synthesizing and linking cDNA fragments from a fungal giant gene; a transformant having introduced therein an expression vector prepared by the method; a protein produced by the transformant; and a method of preparing a compound produced by the protein using the expression vector.Type: GrantFiled: August 11, 2011Date of Patent: March 17, 2015Assignees: Shizuoka Prefecture Public University Corporation, National University Corporation Okayama UniversityInventors: Kenji Watanabe, Hisao Moriya
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Publication number: 20150072312Abstract: A dental diagnosis device has an occlusion sound detection member that detects occlusion sounds by teeth and an analysis member that analyzes the teeth occlusion based on detected occlusion sounds by the occlusion detection member. The occlusion detection member comprises a sucker shaped suction member that sticks to a tooth, a hollow passage connected to a through-hole installed in the suction member and it is operably controlled to appropriate negative pressure by which the suction member is adhered to a tooth, and a detection member connected to the suction member, which detects occlusion sound via the suction member.Type: ApplicationFiled: March 29, 2013Publication date: March 12, 2015Applicant: National University Corporation Okayama UniversityInventors: Shogo Minagi, Kazuhiro Oki, Yohei Kumazaki, Shuichi Wakimoto, Koichi Suzumori, Kurumi Yagi
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Patent number: 8951974Abstract: Provide are a peptide gel with practically sufficient mechanical strength and a self-assembling peptide capable of forming the peptide gel. The self-assembling peptide is formed of the following amino acid sequence: a1b1c1b2a2b3 db4a3b5c2b6a4 where: a1 to a4 each represent a basic amino acid residue; b1 to b6 each represent an uncharged polar amino acid residue and/or a hydrophobic amino acid residue, provided that at least five thereof each represent a hydrophobic amino acid residue; c1 and c2 each represent an acidic amino acid residue; and d represents a hydrophobic amino acid residue.Type: GrantFiled: March 26, 2014Date of Patent: February 10, 2015Assignees: Menicon Co., Ltd., National University Corporation Okayama UniversityInventors: Yusuke Nagai, Hidenori Yokoi, Koji Uesugi, Keiji Naruse
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Patent number: 8950245Abstract: A value of ignition delay and a value of a flame spread rate are measured with respect to fuel which is an object to be determined. When the measured value of the ignition delay falls within a range which is smaller than a reference line and constitutes a first range or falls within a range which is larger than a reference line and constitutes the first range, goodness or badness of quality of fuel is determined based on goodness or badness of quality of fuel which is decided in accordance with the first range. When the measured value of ignition delay falls within a range between the reference line and a reference line which constitutes a second range, goodness or badness of quality of fuel is determined based on whether or not a measured value of a flame spread rate falls within a good product range.Type: GrantFiled: January 28, 2011Date of Patent: February 10, 2015Assignee: National University Corporation Okayama UniversityInventors: Eiji Tomita, Hiroshi Morinaka
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Publication number: 20150027033Abstract: A termite extermination method of the present invention includes putting a termite extermination device 1 at a termite habitat. The termite extermination device 1 includes an exterminating agent housing 3 that is at least partially formed of a moisture-proof film 12 and houses an exterminating agent 13 in an interior of the exterminating agent housing 3. The moisture-proof film 12 includes a laminate having a paper layer and a metal layer laminated one upon another. At least the paper layer is subjected to a rugging process. The laminate is disposed in the exterminating agent housing 3 so that the paper layer serves as an outermost surface.Type: ApplicationFiled: December 17, 2012Publication date: January 29, 2015Applicant: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Kenji Matsuura, Chihiro Himuro, Tomoyuki Yokoi, Yuya Suzuki, Kosaku Nozaki, Masanaga Yamaguchi
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Patent number: 8933367Abstract: There is obtained a laser processing method by which an excellent shape of a cut surface can be achieved and an increase in cost can be suppressed. A laser processing method includes the steps of: preparing a material to be processed; and forming a modified area in the material to be processed, by irradiating the material to be processed with laser beam. In the aforementioned step, pulsed laser beam having a continuous spectrum is focused with a lens, thereby forming a focusing line constituted by a plurality of focuses that are obtained by predetermined bands forming the continuous spectrum of the laser beam, and the material to be processed is irradiated with the laser beam such that at least a part of the focusing line is located on a surface of the material to be processed, thereby forming the modified area on an axis of the focusing line.Type: GrantFiled: February 8, 2012Date of Patent: January 13, 2015Assignees: Sumitomo Electric Industries, Ltd., National University Corporation Okayama UniversityInventors: Motoki Kakui, Hiroshi Kohda, Yasuomi Kaneuchi, Shinobu Tamaoki, Shigehiro Nagano, Yoshiyuki Uno, Yasuhiro Okamoto, Kenta Takahashi
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Publication number: 20150010604Abstract: [Problem] To provide: a bactericidal agent composition which can exhibit an excellent bactericidal effect in the presence of an organic substance and against biofilms; a method for producing the bactericidal agent composition; and a sterilization method using the bactericidal agent composition. [Solution] A bactericidal agent composition which comprises water containing ultrafine bubbles having a most frequent particle diameter of 500 nm or less and a bactericidal component. Preferably, the density of most frequent particles of the ultrafine bubbles are 10,000 particles or more and the density of ultrafine bubbles each having a particle diameter of 1000 nm or less is 1,000,000 particles or more.Type: ApplicationFiled: February 22, 2013Publication date: January 8, 2015Applicants: SUNSTAR ENGINEERING INC., SUNSTAR INC., NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Miwa Ishii, Toru Oka, Yoshimitsu Nakayama, Masumi Torii, Masaru Sugimori, Shogo Takashiba, Hiroshi Maeda, Fumi Mineshiba, Kimito Hirai
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Patent number: 8927596Abstract: An object of the present invention is to provide a novel antischistosomal agent, and more specifically, to provide a novel drug capable of inhibiting a growth of schistosomes in vivo to prevent development of liver dysfunction due to eggs of the schistosomes in the case of infection with the schistosomes. The novel antischistosomal agent includes as an active ingredient a peroxide derivative. Specifically, the novel antischistosomal agent includes as an active ingredient a peroxide derivative represented by the general formula (I): where C represents an alicyclic hydrocarbon ring group which may be substituted, and n represents an integer of 1 to 6.Type: GrantFiled: April 26, 2013Date of Patent: January 6, 2015Assignee: National University Corporation Okayama UniversityInventors: Yusuke Wataya, Hye-Sook Kim, Akiko Hiramoto, Akira Sato, Nobuo Ota, Takashi Kumagai, Rieko Shimogawara, Toshie Taniguchi
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Publication number: 20140377862Abstract: Provided is a cell cultivation method in which the cell is cultured using a peptide hydrogel as a scaffold, for carrying out high-dimensional culture of a cell such as porcine hepatocyte, human hepatocyte, porcine pancreatic islet or human pancreatic islet for a long period under conditions where cell survival, cell morphology and cell functions are maintained. Also provided are a cell culture including a cell and a peptide hydrogel obtained by the above-described cultivation method, a bioreactor including the cell culture, and a cell preparation including the cell culture.Type: ApplicationFiled: January 6, 2014Publication date: December 25, 2014Applicants: 3-D Matrix, Ltd., National University Corporation Okayama UniversityInventors: Naoya KOBAYASHI, Noriaki TANAKA
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Patent number: 8916526Abstract: Provided is a novel antimicrobial agent. More specifically, provided is a novel antimicrobial agent capable of effectively acting on various resistant bacteria such as VSSA, MRSA, VISA, VRE, and VRSA. A novel flavanone derivative having a six-membered monosaccharide derivative, specifically, a glucose derivative or a galactose derivative is capable of effectively acting on the bacteria. More specifically, a compound represented by the general formula (I) is capable of effectively acting on the bacteria. (In the formula: X represents a six-membered monosaccharide derivative; and Y is substituted by a hydroxyl group.Type: GrantFiled: July 29, 2010Date of Patent: December 23, 2014Assignee: National University Corporation Okayama UniversityInventors: Kenji Sasaki, Tomofusa Tsuchiya, Abugafar Md. Lokman Hossion, Nao Ohtsuka, Yoshito Zamami, Yuji Kurosaki