Patents Assigned to TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION
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Patent number: 10287501Abstract: A liquid crystal display element having an improved response speed by using a liquid crystal compound having a high K33, while neither improving nor deteriorating all the characteristics as a liquid crystal display element. The liquid crystal display element 10 of the present invention has a first substrate 15, a second substrate 15?, and a liquid crystal composition layer 5 interposed between the first substrate 15 and the second substrate 15?, wherein at least one of the first substrate 15 and the second substrate 15? has an electrode that controls the liquid crystal composition layer 5 and the bend elastic constant K33 of at least one kind of liquid crystal compounds in the liquid crystal composition constituting the liquid crystal composition layer 5 is 20 pN or more.Type: GrantFiled: March 7, 2013Date of Patent: May 14, 2019Assignees: TOKYO INSTITUTE OF TECHNOLOGY, TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, DIC CorporationInventors: Hideo Takezoe, Satoshi Aya, Takashi Yamashita, Kunihiko Okano
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Patent number: 10175183Abstract: An agent for searching for protein crystallization conditions, containing a water-swellable layered silicate having a fluorine atom and a hydroxyl group, wherein the fluorine atom is covalently bonded to the silicate by isomorphous substitution with the hydroxyl group. A method of searching for protein crystallization conditions, which comprises a step of mixing the agent for searching for protein crystallization conditions described above and a solution in which a protein is dissolved.Type: GrantFiled: March 29, 2012Date of Patent: January 8, 2019Assignees: KUNIMINE INDUSTRIES CO., LTD., TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATIONInventors: Keiichi Kurosaka, Munehiro Kubota, Kengo Sakaguchi, Keita Ino, Itsumi Udagawa, Kazuki Iwabata, Yoichi Takakusagi, Yasutaka Seki
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Patent number: 9692043Abstract: An active material for a nonaqueous electrolyte energy storage device contains a lithium-transition metal composite oxide having a crystal structure attributable to space group Fm-3m and represented by the compositional formula (1): Li1+xNbyMezApO2??(1) wherein Me is a transition metal including Fe and/or Mn, 0<x<1, 0<y<0.5, 0.25?z<1, A is an element other than Nb and Me, and 0?p?0.2.Type: GrantFiled: March 26, 2014Date of Patent: June 27, 2017Assignees: Tokyo University of Science Educational Foundation Administrative Organization, GS Yuasa International Ltd.Inventors: Mitsue Takeuchi, Naoaki Yabuuchi, Shinichi Komaba, Daisuke Endo
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Patent number: 9559381Abstract: Disclosed is a sodium-ion secondary battery having excellent charge and discharge efficiencies as well as excellent charge and discharge characteristics, wherein charging and discharging can be repeated without causing problems such as deterioration in battery performance. Specifically disclosed is a sodium ion secondary battery which is provided with a positive electrode, a negative electrode having a negative electrode active material, and a nonaqueous electrolyte solution containing a nonaqueous solvent. The nonaqueous solvent is substantially composed of a saturated cyclic carbonate (excluding the use of ethylene carbonate by itself), or a mixed solvent of a saturated cyclic carbonate and a chain carbonate, and a hard carbon is used as the negative electrode active material.Type: GrantFiled: March 25, 2010Date of Patent: January 31, 2017Assignee: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATIONInventors: Shinichi Komaba, Tomoaki Ozeki, Wataru Murata, Toru Ishikawa
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Patent number: 9543501Abstract: 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(ZnxTi(1-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: GrantFiled: August 5, 2013Date of Patent: January 10, 2017Assignees: Canon Kabushiki Kaisha, Kyoto University, Tokyo Institute of Technology, Sophia University, University of Yamanashi, National Institute of Advanced Industrial Science and Technology, Tokyo University of Science Educational Foundation Administrative OrganizationInventors: 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
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Patent number: 9466855Abstract: An additive for a sodium ion secondary battery of the present invention includes a compound of at least one of a saturated cyclic carbonate having a fluoro group and a chain carbonate having a fluoro group. A sodium ion secondary battery (1) of the present invention includes: a non-aqueous electrolytic solution including the additive for a sodium ion secondary battery and a non-aqueous solvent containing a saturated cyclic carbonate or a non-aqueous solvent containing a saturated cyclic carbonate and a chain carbonate; a positive electrode (11); and a negative electrode (12) that includes a coating formed in a surface of the negative electrode, the coating containing a composite material having carbon, oxygen, fluorine and sodium in the surface and includes a negative-electrode active material containing a hard carbon.Type: GrantFiled: March 8, 2012Date of Patent: October 11, 2016Assignees: NISSAN MOTOR CO., LTD., TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATIONInventors: Atsushi Ito, Yasuhiko Ohsawa, Shinichi Komaba
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Patent number: 9315442Abstract: A method that manufacturers an optically active carboxylic acid ester at high yield and high enantioselectivity is provided. An optically active carboxylic acid ester is manufactured at high yield and high enantioselectivity by reacting a racemic carboxylic acid and a specific alcohol or phenol derivatives in a polar solvent having a dipole moment of 3.0 or higher in the presence of an acid anhydride and an asymmetric catalyst, esterifying one enantiomer of the racemic carboxylic acid at high selectivity, and increasing the amount of esterified carboxylic acid by racemizing the optically active carboxylic acid which is the other enantiomer not used in esterification.Type: GrantFiled: June 7, 2012Date of Patent: April 19, 2016Assignee: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATIONInventors: Isamu Shiina, Kenya Nakata, Keisuke Ono
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Patent number: 9276262Abstract: There are provided a battery electrode wherein an active material layer is formed on a collector surface, and the layer contains an active material and a block copolymer having a vinyl alcohol polymer block; and a lithium ion secondary battery having a laminate structure in which a pair of electrodes having an active material layer are disposed in such a manner that the active material layers face each other via a separator, and an electrolyte composition containing a lithium-containing electrolyte salt fills the gaps between the pair of electrodes and the separator, wherein at least one of the pair of electrodes is the above battery electrode. Thus, there can be provided a lithium ion secondary battery which can be easily produced and be less polarized, exhibiting excellent charge/discharge properties and cycle characteristics.Type: GrantFiled: March 21, 2012Date of Patent: March 1, 2016Assignees: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, KURARAY CO., LTD.Inventors: Shinichi Komaba, Naoaki Yabuuchi, Kyomi Tajima, Junji Fujioka, Naoki Fujiwara
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Patent number: 9203088Abstract: Provided are: a composite metal oxide with which it is possible to improve the performance of a sodium secondary battery; a process for producing the composite metal oxide; a positive active material which comprises the composite metal oxide; a positive electrode produced using the positive active material; and a sodium secondary battery including the positive electrode. The composite metal oxide is represented by the following formula: NaxFeyMn1-yO2. The composite metal oxide is constituted of an oxide having a P2 structure and a lamellar oxide, with some extent of stacking faults, having an octahedral structure and/or a triangular-prism structure. The lamellar oxide preferably is an oxide having an O3 structure.Type: GrantFiled: October 28, 2011Date of Patent: December 1, 2015Assignee: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATIONInventors: Naoaki Yabuuchi, Shinichi Komaba, Junichi Iwatate
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Publication number: 20150302996Abstract: A photoelectrode for dye-sensitized solar cells of the present invention includes a light-transmitting substrate including a transparent electroconductive layer formed on a light-transmitting base; an adhesion layer formed on the transparent electroconductive layer, the adhesion layer being configured of an electroconductive portion formed of electroconductive particles and a coating layer formed by applying metal alkoxide thereon to cover the electroconductive particles; and a photoelectric conversion layer formed on the adhesion layer by using a photoelectric conversion material in which a sensitizing dye is supported on a functional semiconductor.Type: ApplicationFiled: April 22, 2015Publication date: October 22, 2015Applicants: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, TOPPAN PRINTING CO., LTD.Inventors: Naoya WATANABE, Tomohiro KUDO, Hironobu OZAWA, Hironori ARAKAWA, Naoyuki SHIBAYAMA
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Patent number: 9156088Abstract: Disclosed are: Au—Ag core-shell nanorod particles wherein a cationic surfactant such as CTAB is substituted by an other compound; and a method for producing the Au—Ag core-shell nanorod particles. Specifically disclosed are Au—Ag core-shell nanorod particles which are characterized in that each of the nanorod particles comprises a gold nanorod particle that serves as the core, a shell layer that covers the surface of the gold nanorod particle and is formed from silver, and a copolymer that adsorbs on the surface of the shell layer. The Au—Ag core-shell nanorod particles are also characterized in that the copolymer is a block copolymer or graft copolymer that is obtained by polymerizing at least a polymerizable monomer (A) that has a group represented by general formula (I). In the formula, Ra represents an alkylene group having 2-7 carbon atoms.Type: GrantFiled: December 10, 2010Date of Patent: October 13, 2015Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Hidenori Otsuka, Toshihiko Kurosawa, Yoshihiro Saito, Koichi Kutsuzawa
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Publication number: 20150207056Abstract: Disclosed is an aluminum-magnesium-silicon composite material that contains an alloy comprising Al, Mg, and Si and can be used favorably as a material for a thermoelectric conversion module, and that has excellent thermoelectric conversion properties. The aluminum-magnesium-silicon composite material contains an alloy comprising Al, Mg and Si, and has an electrical conductivity (?) of 1000-3000 S/cm at 300 K. This aluminum-magnesium-silicon composite material is favorable in the production of a thermoelectric exchange element as a result of having excellent thermoelectric conversion properties.Type: ApplicationFiled: March 27, 2015Publication date: July 23, 2015Applicant: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Tsutomu IIDA, Naoki FUKUSHIMA, Tatsuya SAKAMOTO, Yohiko MITO, Hirokuni NANBA, Yutaka TAGUCHI, Masayasu AKASAKA, Mamoru TACHIKAWA, Takakazu HINO
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Patent number: 9087962Abstract: To improve the mass productivity of thermoelectric conversion modules. A thermoelectric conversion module 1 is equipped with a pair of substrates 11 and 12, a plurality of thermoelectric conversion elements 2, each having one end portion electrically connected to a first electrode 3 which is arranged on the substrate 11 and the other end portion electrically connected to a second electrode 4 which is arranged on the substrate 12, and a connection section 5 which electrically connects the first electrode 3 electrically connected to the thermoelectric conversion element 2 to the second electrode 4 electrically connected to an adjacent one of the thermoelectric conversion elements 2. The connection section 5 is separate from at least one of the first electrode 3 and the second electrode 4.Type: GrantFiled: October 25, 2012Date of Patent: July 21, 2015Assignees: Nippon Thermostat Co., Ltd., Tokyo University Of Science Educational Foundation Administrative OrganizationInventors: Tadao Nakajima, Takashi Nemoto, Junichi Sato
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Patent number: 9074184Abstract: The invention provides a remedy for chronic inflammation and an anti-TNIIIA2 antibody to be used therein. The remedy includes an antibody recognizing TNIIIA2, that is a peptide derived from a partial sequence A2 of a human tenascin-C fibronectin III-like repetitive sequence and having the amino acid sequence RSTDLPGLKAATHYTITIRGVC (SEQ ID NO: 1).Type: GrantFiled: November 15, 2012Date of Patent: July 7, 2015Assignee: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATIONInventor: Fumio Fukai
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Publication number: 20150187512Abstract: A counter electrode for a dye sensitized solar cell (20 ) includes a conductive layer (21 ); and a contact preventing layer (23 ) which is formed of an insulating substance, and is formed on one surface of the conductive layer (21 ).Type: ApplicationFiled: March 16, 2015Publication date: July 2, 2015Applicants: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, TOPPAN PRINTING CO., LTD.Inventors: Naoya WATANABE, Tomohiro KUDO, Syougo MUROYA, Kouya NOZAWA, Hironobu OZAWA, Hironori ARAKAWA, Naoyuki SHIBAYAMA
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Patent number: 9028723Abstract: Copper(II) acetate, zinc(II) acetate, and tin(IV) acetate are weighed so that the total amount of metal ions is 2.0×10?4 mol and the molar ratio of ions is Cu:Zn:Sn=2:1:1, and 2.0 cm3 of oleylamine is added to prepare a mixed solution. Apart from this, 1.0 cm3 of oleylamine is added to 2.0×10?4 mol of sulfur powder to prepare a mixed solution. These mixed solutions are separately heated at 60° C. and mixed at room temperature. The pressure in a test tube is reduced, followed by nitrogen filling. The test tube is heated at 240° C. for 30 minutes and then allowed to stand until room temperature. The resultant product is separated into a supernatant and precipitates by centrifugal separation. The separated supernatant is filtered, methanol is added to produce precipitates. The precipitates are dissolved by adding chloroform to prepare a semiconductor nanoparticle solution.Type: GrantFiled: February 25, 2010Date of Patent: May 12, 2015Assignees: National University Corporation Nagoya University, Osaka University, Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Tsukasa Torimoto, Ken-ichi Okazaki, Tatsuya Kameyama, Takaaki Osaki, Susumu Kuwabata, Akihiko Kudo
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Patent number: 9018115Abstract: Provided is a light-emitting glass which is applicable to, e.g., white illuminators including a light-emitting diode as a light source, and which emits light of a warm white color when irradiated with near ultraviolet light and combines long-term weatherability with high heat resistance; a light-emitting device containing same and a process for producing same. The light-emitting glass includes, as the base glass, borosilicate or silicate glass having a separated-phase structure, whereby the base glass is efficiently doped with, for example, transition metal ion clusters which emit light of a warm white color upon irradiation with near ultraviolet light. With this glass, it is possible to attain increases in excitation wavelength and emission wavelength. The glass thus emits, based on a multiple scattering effect, high-intensity light of a warm white color upon irradiation with near ultraviolet light.Type: GrantFiled: October 22, 2010Date of Patent: April 28, 2015Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Atsuo Yasumori, Tetsuo Kishi, Naoko Matsui
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Patent number: 8865049Abstract: There are provided a method for producing a transfer structure, in which detachment between a transfer-receiving material and a matrix can be easily achieved without destroying the fine pattern, the transfer pattern of the matrix is satisfactorily transferred to the transfer-receiving material, and the durability of the matrix is maintained for a long time during repeated transfer; and a matrix for use in the method. A film of a silane coupling agent represented by the following formula (I) is formed on a surface of a matrix having a transfer pattern formed on the surface thereof, a transfer-receiving material is applied thereon to transfer the pattern on the surface of the matrix, and the transfer-receiving material is detached from the matrix to obtain a transfer structure formed of the transfer-receiving material.Type: GrantFiled: September 7, 2009Date of Patent: October 21, 2014Assignee: Tokyo University of Science Educational Foundation Administrative Org.Inventors: Jun Taniguchi, Norio Yoshino
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Publication number: 20140251427Abstract: A photoelectrode for a dye-sensitized solar cell includes, a sensitizer supported in a functional semiconductor layer of a photoelectrode structure provided with the functional semiconductor layer on a transparent conductive layer of a translucent substrate made by forming the transparent conductive layer on a plastic translucent support, in which the functional semiconductor layer includes a roll-pressed layer which is being in contact with the transparent conductive layer and roll-pressing traces extending in parallel with a roll-pressing treatment direction on a surface of the roll-pressed layer, and a surface roughness Ra in a first direction which is in parallel with the roll-pressing treatment direction is smaller than a surface roughness Ra in a second direction which is orthogonal to the first direction on a surface of the functional semiconductor layer.Type: ApplicationFiled: May 19, 2014Publication date: September 11, 2014Applicants: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, TOPPAN PRINTING CO., LTD.Inventors: Naoya WATANABE, Tomohiro KUDOU, Hironobu OZAWA, Hironori ARAKAWA, Naoyuki SHIBAYAMA
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Publication number: 20140216027Abstract: Provided is a heat storage device which can stably store heat by storing heat within a fixed temperature range. A heat storage device (10) of the present invention is characterized in being provided with a heat resistant frame (11), which is filled with one kind of alloy or mixed salt having a predetermined eutectic temperature, alternatively, a heat resistant frame (11), which is filled with two or more kinds of alloys or mixed salts having different eutectic temperatures, by having the alloys or the mixed salts adjacent to each other in the order of eutectic temperature levels with a partitioning wall (11a) therebetween.Type: ApplicationFiled: March 30, 2012Publication date: August 7, 2014Applicants: Tokyo University of Science Educational Foundation Administration Organization, SWCC Showa Cable Systems Co., Ltd., Nippon Thermostat Co., Ltd., Itoh Kikoh Co., Ltd.Inventors: Tsutomu Iida, Kuniaki Mizuno, Yukio Takizawa, Tatsuya Deguchi, Kazunori Sawada, Yohike Mito, Takashi Nemoto, Masahiro Minowa