Patents Assigned to Tokyo Institute of Technology
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Publication number: 20190003082Abstract: An objective is to improve the spinnability and the productivity and increase the tensile strength of a polyester fiber containing polyhydroxyalkanoate. Disclosed is a biodegradable aliphatic polyester fiber containing a polyhydroxyalkanoate, a nucleating agent, and a lubricant, wherein the nucleating agent contains pentaerythritol, and the lubricant contains at least one of behenic amide, stearic acid amide, erucamide, oleic amide, and a combination thereof.Type: ApplicationFiled: January 11, 2017Publication date: January 3, 2019Applicants: TOKYO INSTITUTE OF TECHNOLOGY, KANEKA CORPORATIONInventors: Takeshi KIKUTANI, Wataru TAKARADA, Noriyuki SUZUKI, Sarah SITI, Ryuji FUKUDA
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Publication number: 20180374959Abstract: An oxide semiconductor compound includes gallium; and oxygen. An optical band gap is 3.4 eV or more. An electron Hall mobility obtained by performing a Hall measurement at a temperature of 300 K is 3 cm2/Vs or more.Type: ApplicationFiled: August 30, 2018Publication date: December 27, 2018Applicants: TOKYO INSTITUTE OF TECHNOLOGY, AGC Inc.Inventors: Hideo HOSONO, Toshio KAMIYA, Hideya KUMOMI, Junghwan KIM, Nobuhiro NAKAMURA, Satoru WATANABE, Naomichi MIYAKAWA
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Publication number: 20180364094Abstract: A terahertz image measurement device includes a terahertz detection sensor, a magnetic field generating unit, and a measurement control unit. The sensor detects near-field light of terahertz light emitted from a sample. The magnetic field generating unit has a coil disposed around the sample and the sensor, and wound to surround the optical axis of terahertz light irradiated on the sensor, and applies to the sensor a magnetic field generated by allowing an electric current to flow through the coil. The measurement control unit changes a value of the electric current flowing through the coil, sets a strength of the magnetic field to a magnetic field value for which a detection signal level of the terahertz light detected by the sensor increases prominently, and allows the magnetic field value to conform to a specific frequency of the terahertz light.Type: ApplicationFiled: December 14, 2016Publication date: December 20, 2018Applicant: TOKYO INSTITUTE OF TECHNOLOGYInventor: Yukio KAWANO
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Patent number: 10151610Abstract: A flow rate measurement device is configured to measure a flow rate of a gas flowing inside of a pipeline, and includes an ultrasonic transducer installed so as to be in contact with the pipeline, and a flow rate calculation part configured to calculate the flow rate of the gas according to a result of reception of ultrasonic wave from the ultrasonic transducer, wherein the ultrasonic transducer includes an ultrasonic oscillation part configured to emit the ultrasonic wave toward the inside of the pipeline and an ultrasonic reception part configured to receive the ultrasonic wave, and at least the ultrasonic oscillation part has a focusing part configured to focus the ultrasonic wave on a center of the pipeline.Type: GrantFiled: July 23, 2015Date of Patent: December 11, 2018Assignees: TOKYO ELECTRIC POWER COMPANY HOLDINGS, INCORPORATED, TOKYO INSTITUTE OF TECHNOLOGYInventors: Shuichi Umezawa, Katsuhiko Tanaka, Masaki Yokosaka, Ryoji Miyauchi, Tatsuya Kawaguchi, Hiroshige Kikura, Nobuyoshi Tsuzuki, Keisuke Tsukada
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Publication number: 20180351106Abstract: The purpose of the present invention is to provide an organic semiconductor material having liquid crystallinity and high electron mobility. The present invention is an organic semiconductor material having at least a charge-transporting molecular unit (A) having a structure of an aromatic fused ring system and a cyclic structural unit (B) bonded to the aforementioned unit via a single bond, wherein the unit (A) and/or the unit (B) has a side chain composed of a unit (C), and wherein the organic semiconductor material exhibits a liquid crystal phase that is different from an N-phase, an SmA-phase or an SmC-phase.Type: ApplicationFiled: July 6, 2018Publication date: December 6, 2018Applicants: Tokyo Institute of Technology, DIC CorporationInventors: Junichi Hanna, Takeo Kobori, Takayuki Usui, Yukiko Takayashiki, Hiroaki Iino, Akira Oono
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Publication number: 20180340328Abstract: An object of the present invention is to provide a sound insulating sheet member that has high sound-insulating performance which exceeds mass law while being relatively light weight, that is highly flexible in design, excellent in versatility, and easy to manufacture so that productivity and economic efficiency can be improved, and a sound insulating structural body or the like using the same. The object thereof is achieved by using a sound insulating sheet member comprising at least a sheet having rubber elasticity and a plurality of resonant portions, wherein the resonant portions are provided in contact with a sheet surface of the sheet, each of the resonant portions including a base part and a weight part, and the weight part being supported by the base part and having a larger mass than the base part.Type: ApplicationFiled: August 2, 2018Publication date: November 29, 2018Applicants: Mitsubishi Chemical Corporation, TOKYO INSTITUTE OF TECHNOLOGYInventors: Shogo KOGA, Shuichi AKASAKA
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Publication number: 20180333707Abstract: Provided is a photocatalyst including a photocatalyst in which part of calcium ions are substituted with titanium ions, and part of phosphoric acid ions are substituted with metal oxoacid ions in a calcium hydroxyapatite crystal structure.Type: ApplicationFiled: May 16, 2018Publication date: November 22, 2018Applicants: FUJITSU LIMITED, Tokyo Institute of TechnologyInventors: MASATO WAKAMURA, AKIRA NAKAJIMA, NOPPAKHATE JIRABORVORNPONGSA
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Publication number: 20180327272Abstract: The present invention provides a supported metal catalyst, a method for synthesizing ammonia using said catalyst, and a supported metal material in which a transition metal is supported on a support, wherein the support is a metal hydride represented by general formula (1): XHn . . . (1); and in general formula (1), X represents at least one selected from the group consisting of atoms from Groups 2 and 3, and lanthanoid atoms, and n is in a range of 2<n<3.Type: ApplicationFiled: November 9, 2016Publication date: November 15, 2018Applicants: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGYInventors: Hideo HOSONO, Michikazu HARA, Masaaki KITANO, Hiroshi MIZOGUCHI, Toshiharu YOKOYAMA, Kyosuke YAMAGATA
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Patent number: 10124319Abstract: If a conductive mayenite compound having a large specific surface area is obtained, the usefulness thereof in respective applications is remarkably increased. A conductive mayenite compound powder having a conduction electron density of 1015 cm?3 or more and a specific surface area of 5 m2g?1 or more is produced by: the following steps: (1) forming a precursor powder by subjecting a mixture of a starting material powder and water to a hydrothermal treatment; (2) forming a mayenite compound powder by heating and dehydrating the precursor powder; (3) forming an activated mayenite compound powder by heating the compound powder in an inert gas atmosphere or in a vacuum; and (4) injecting electrons into the mayenite compound through a reduction treatment by mixing the activated mayenite compound powder with a reducing agent.Type: GrantFiled: December 19, 2016Date of Patent: November 13, 2018Assignees: TOKYO INSTITUTE OF TECHNOLOGY, JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Hideo Hosono, Michikazu Hara, Yasunori Inoue, Masaaki Kitano, Fumitaka Hayashi, Toshiharu Yokoyama, Satoru Matsuishi, Yoshitake Toda
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Publication number: 20180322672Abstract: An image processing system in which, in order to easily analyze input images acquired by sensors, output image quality is improved so that is suitable for a user. It includes: a gradient calculation unit that calculates a desired gradient based on input images; an indication function calculation unit that calculates an indication function for the input images, the indication function defining a range that can be taken by an output image and pixel values of a reference image; a pixel value renewal unit that renews pixel values of one of the input images so as to approximate the desired gradient to produce a renewed image; and a pixel value constraint unit that updates pixel values of the renewed image so as to fall within the range that can be taken by the output image and to approximate the pixel values of the reference image, to thereby obtain the output image.Type: ApplicationFiled: September 14, 2016Publication date: November 8, 2018Applicants: NEC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Takashi SHIBATA, Masayuki TANAKA, Masatoshi OKUTOMI
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Patent number: 10118162Abstract: A catalyst is provided which is used for continuously synthesizing ammonia using a gas containing hydrogen and nitrogen as a raw material, wherein a transition metal which exhibits catalytic activity is supported by a support, and the support is a two-dimensional electride or a precursor thereof. The two-dimensional electride or the precursor thereof is a metal nitride represented by MxNyHz (M represents one or two or more of Group II metals selected from the group consisting of Mg, Ca, Sr and Ba, and x, y and z are in ranges of 1?x?11, 1?y?8, and 0?z?4 respectively, in which x is an integer, and y and z are not limited to an integer) or M3N2 (M is the same as above), or a metal carbide selected from the group consisting of Y2C, Sc2C, Gd2C, Tb2C, Dy2C, Ho2C and Er2C.Type: GrantFiled: February 12, 2015Date of Patent: November 6, 2018Assignees: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGYInventors: Hideo Hosono, Michikazu Hara, Masaaki Kitano, Toshiharu Yokoyama, Yasunori Inoue, Shinji Kambara
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Patent number: 10121120Abstract: An energy event recording apparatus is mounted on each of a plurality of equipment installed at a business facility. When a change in the amount of the flow or stock of energy is detected in the apparatus mounted, each of a plurality of the energy event recording apparatuses records journal information, which associates the amount of change to a debit side item and a credit side item, respectively, and notifies an energy management server of the journal information. The energy management server calculates pieces of journal information conveyed from a plurality of recording apparatuses, respectively, based on the debit side item and the credit side item.Type: GrantFiled: May 8, 2013Date of Patent: November 6, 2018Assignees: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGYInventor: Hiroshi Deguchi
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Publication number: 20180304237Abstract: An electride, which is more stable and can be more easily obtained, is provided or is made available, and as a result, a catalyst particularly useful for chemical synthesis, in which the electride is particularly used, is provided. A transition metal-supported intermetallic compound having a transition metal supported on an intermetallic compound represented by the following formula (1): A5X3??(1) wherein A represents a rare earth element, and X represents Si or Ge.Type: ApplicationFiled: December 22, 2016Publication date: October 25, 2018Applicants: JAPAN SCIENCE AND TECHNOLOGY AGENCY, TOKYO INSTITUTE OF TECHNOLOGYInventors: Hideo HOSONO, Masaaki KITANO, Tomofumi TADA, Toshiharu YOKOYAMA, Yoshitake TODA, Yangfan LU, Jiang LI
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Publication number: 20180307902Abstract: A driver state determination device includes a facial change information acquisition unit acquiring facial change information indicating a time-series change in facial data of a subject, and a driver state determination unit determining the driver state of the subject based on the facial change information. The subject is selected from the group consisting of a subject driving a machine from when brain function activation information that activates human brain function is provided, a subject driving a machine from when the brain function activation information provided to the subject driving the machine is detected, and a subject performing a predetermined operation on a machine.Type: ApplicationFiled: October 17, 2016Publication date: October 25, 2018Applicants: DAIKIN INDUSTRIES, LTD., TOKYO INSTITUTE OF TECHNOLOGYInventors: Junichiro ARAI, Takashi GOTOU, Makoto IWAKAME, Kenichi HINO, Tomoya HIRANO, Yasunori KOTANI, Yoshimi OHGAMI, Taro TOMATSU
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Patent number: 10103645Abstract: This power converter is provided with: three clusters (CLu, CLv, CLw) in which unit cells are cascade-connected; and power supplies of the same kind which are respectively connected to one end of each of the three clusters. Terminals of the three clusters at the side not connected to the power supplies are respectively connected to other ends of the power supplies connected to the other clusters to form a delta-connection configuration. Three connections of the delta-connection configuration are respectively connected to each of the U, V, and W phases of a three-phase alternating current, and power conversion between the power supplies and the three-phase AC is enabled. If DC power supplies (Vdcu, Vdcv, Vdcw) are employed as the power supplies, power conversion between the DC power supplies and the three-phase AC power supplies can be performed.Type: GrantFiled: March 17, 2015Date of Patent: October 16, 2018Assignee: TOKYO INSTITUTE OF TECHNOLOGYInventors: Hirofumi Akagi, Makoto Hagiwara
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Publication number: 20180292396Abstract: Provided is a method for measuring tyrosine phosphatase and tyrosine kinase activity, as a high-sensitivity measuring method, which is suitable for high throughput and which uses a compound represented by general formula (I) (in the formula, A represents a conjugated ring; L represents a linker or the like having a labeling substance at an end; R1 represents a hydrogen atom or the like; and R2 and R3 each represent a hydrogen atom, an alkyl group or the like).Type: ApplicationFiled: September 26, 2016Publication date: October 11, 2018Applicant: TOKYO INSTITUTE OF TECHNOLOGYInventors: Shinichi SATO, Hiroyuki NAKAMURA, Hirofumi NAKANO
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Publication number: 20180287204Abstract: To improve the stability of an electrolyte, among the sulfide solid electrolytes of Li—P—S—X based (X is at least one of F, Cl, N and OH) containing no metal element other than lithium, a new solid electrolyte having a possibility to have high ion conductivity and a method for producing for obtaining the same easily. The disclosure achieves the object by providing a solid electrolyte material including a sulfide composition represented by a composition formula Li4?4y?x?zP4+1+y?xP5+xS4?zXz (Li4?4y?x?zP1+yS4?zXz), wherein 0.2?x<1.0, 0?z?0.2, and 0?y?0.075, and X is at least one of F, Cl, N and OH, and the solid electrolyte material has a peak at a position of 2?=17.8°±0.1°, 19.1°±0.1°, 21.7°±0.1°, 23.8°±0.1° and 30.85°±0.1° in X-ray diffraction measurement using a CuK? ray, and method for producing the same.Type: ApplicationFiled: March 27, 2018Publication date: October 4, 2018Applicants: TOKYO INSTITUTE OF TECHNOLOGY, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryoji KANNO, Satoshi HORI
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Publication number: 20180287205Abstract: In order to improve the stability of an electrolyte, an object of the present disclosure is to develop, among the sulfide solid electrolytes of Li—P—S—O based containing no metal element other than lithium, a new solid electrolyte having a possibility to have high ion conductivity and a method for producing for obtaining the same easily. The present disclosure achieves the object by providing a solid electrolyte material including a sulfide composition represented by a composition formula Li4-4y-xP4+1+y-xP5+xS4-zOz (Li4-4y-xP1+yS4-zOz), wherein 0.6?x<1, 0?z?0.2, and ?0.025?y?0.1, and a method for producing the same.Type: ApplicationFiled: March 28, 2018Publication date: October 4, 2018Applicants: TOKYO INSTITUTE OF TECHNOLOGY, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryoji KANNO, Satoshi HORI
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Patent number: 10089426Abstract: A specific information processing function, which assumes circuit implementation, is described in a programming language, and from this description, an RTL description that can be logic synthesized is automatically generated. A logic circuit generation device includes: a control flow graph generation unit that generates a control flow graph; a control flow degenerate conversion unit that generates a control flow degenerate program by removing all condition branch instructions from the control flow graph; a data flow graph generation unit that generates a data flow graph from the control flow degenerate program; and a logic circuit description output unit that generates logic circuit description indicating a sequential circuit in which a rooted branch of the data flow graph corresponds to the wiring of the logic circuit and a node of the data flow graph corresponds to a computing element of the logic circuit.Type: GrantFiled: December 11, 2014Date of Patent: October 2, 2018Assignee: TOKYO INSTITUTE OF TECHNOLOGYInventor: Tsuyoshi Isshiki
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Publication number: 20180273790Abstract: A method of manufacturing a polymer coated single ferromagnetic particle is provided. The method includes hydrophobizing one single hydrophilic ferromagnetic particle by absorbing an aliphatic acid having a hydrophobic aliphatic group and a hydrophilic acid group onto the single ferromagnetic particle to obtain a single hydrophobic ferromagnetic particle; emulsifying the one single hydrophobic ferromagnetic particle with a monomer liquid comprising a nonionic surface activating agent which re-hydrophilizes the one single hydrophobic ferromagnetic particle, to obtain an emulsified liquid; adding a radical addition initiator to the emulsified liquid ; and emulsion polymerizing the monomer by radical addition polymerization.Type: ApplicationFiled: May 29, 2018Publication date: September 27, 2018Applicants: TOKYO INSTITUTE OF TECHNOLOGY, TAMAGAWA SEIKI KABUSHIKI KAISHAInventors: Hiroshi HANDA, Kosuke NISHIO, Nobuyuki GOKON, Masanori ABE