Patents Assigned to University of Tokyo
  • Patent number: 11980013
    Abstract: A radio wave-absorbing laminate film in which both the top surface and the bottom surface have superior transmission attenuation properties and reflection attenuation capabilities in extremely high-frequency wave bands and higher, and which exhibits excellent radio wave absorption properties even when extremely thin; a production method for the film; and an element containing the film. A radio wave-absorbing laminate film having radio wave-absorbing layers, the radio wave-absorbing laminate film including a center layer, two substrate layers, and two radio wave-absorbing layers, the center layer containing at least one metal layer, and the two substrate layers being laminated on both surfaces of the center layer.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: May 7, 2024
    Assignees: The University of Tokyo, Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Shin-ichi Ohkoshi, Asuka Namai, Marie Yoshikiyo, Takahiro Asai, Masaru Kuwahara
  • Patent number: 11975040
    Abstract: The present invention provides a Plexin-binding regulating agent containing a cyclic peptide having an Arg-Trp-Thr structure or a Leu-Ser-Trp structure or a pharmaceutically acceptable salt of the cyclic peptide.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: May 7, 2024
    Assignees: The University of Tokyo, Osaka University
    Inventors: Hiroaki Suga, Nasir Kato Bashiruddin, Junichi Takagi, Yukiko Matsunaga
  • Publication number: 20240147741
    Abstract: The present disclosure provides an inorganic/organic hybrid complementary semiconductor device that can be manufactured at a lower cost, has excellent long-term stability, has a well-balanced operation between the p-type transistor and the n-type transistor, and operates at a high speed.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 2, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Junichi TAKEYA, Shunichiro WATANABE, Shouhei KUMAGAI, Xiaozhu WEI, Daiji IKEDA, Hiroki SATO, Yasuyuki AKAI
  • Publication number: 20240141310
    Abstract: The present inventors have found that by cultivating insect cells, into which the Cas3 gene has been introduced, at relatively low temperatures, it is possible to efficiently express recombinant Cas3 proteins with maintained activity, and by purifying the soluble fractions of these cells, it is possible to collect active forms of the recombinant Cas3 proteins in high purity and high yield.
    Type: Application
    Filed: February 25, 2022
    Publication date: May 2, 2024
    Applicants: C4U Corporation, The University of Tokyo, RIKEN
    Inventors: Tomoji MASHIMO, Kazuto YOSHIMI, Kohei TAKESHITA, Masaki YAMAMOTO, Satomi SHIBUMURA
  • Publication number: 20240141337
    Abstract: RNA molecules for RNA interference to target a mutant allele with a point mutation, wherein the molecule has a nucleotide sequence complementary to a nucleotide sequence of a coding region of the mutant allele; and when counted from the base at the 5?-end in the nucleotide sequence complementary to the sequence of the mutant allele: a base at position 5 or 6 is mismatched with a base in the mutant allele; a base at position 10 or 11 is at the position of the point mutation and is identical to the base at the position of the point mutation in the mutant allele; the group at the 2?-position of the pentose in the ribonucleotide at position 8 is modified with OCH3, halogen, or LNA; and the group at the 2?-position of the pentose in the ribonucleotide at position 7 is not modified with any of OCH3, halogen, and LNA.
    Type: Application
    Filed: January 17, 2022
    Publication date: May 2, 2024
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Kumiko UI-TEI, Yoshiaki KOBAYASHI, Atsushi SATO, Yoshimasa ASANO, Yuria SUZUKI, Naomi LEDEY, Kaoru SAIGO, Yukikazu NATORI
  • Publication number: 20240147861
    Abstract: A thermoelectric device includes: a sheet-like or plate-like thermoelectric conversion film including a thermoelectric conversion element formed with a material exhibiting an anomalous Nernst effect; and a catalyst portion formed with a catalyst that reacts with a fluid the catalyst portion being on the side of at least a first surface of the thermoelectric conversion film and facing a flow path of the fluid.
    Type: Application
    Filed: February 17, 2022
    Publication date: May 2, 2024
    Applicant: The University of Tokyo
    Inventors: Satoru Nakatsuji, Mamoru Miyawaki, Ryota Uesugi, Hiroto Nakamura, Tomoya Higo
  • Publication number: 20240138812
    Abstract: An ultrasonic wave generation device including: an ultrasonic wave generation source; an ultrasonic wave condensation part; and a waveguide. The ultrasonic wave condensation part has a first reflection surface opposed to the ultrasonic wave generation source and a second reflection surface opposed to the first reflection surface. The first reflection surface reflects the ultrasonic wave, generated from the ultrasonic wave generation source, toward the second reflection surface. The second reflection surface reflects the ultrasonic wave, which has been reflected by the first reflection surface, toward the waveguide so as to introduce the ultrasonic wave into the waveguide. The waveguide protrudes from the first reflection surface to a side opposite the second reflection surface. A recessed portion is formed from the first reflection surface to the second reflection surface side along an outer circumferential surface of the waveguide.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 2, 2024
    Applicants: Niterra Co., Ltd., THE UNIVERSITY OF TOKYO
    Inventors: Satoshi SUZUKI, Kota YOKOYAMA, Ryo SUZUKI, Shinsuke ITOH, Takashi KASASHIMA, Takeshi MORITA, Shoki IEIRI
  • Patent number: 11969695
    Abstract: A process for manufacturing a porous body, includes preparing a dispersion liquid having a dispersion medium with cellulose-based nanofibers that have an average fiber diameter from 1 to 100 nm and dispersed therein, attaching the dispersion liquid to a porous support having a plurality of pores that connect with one another, removing the dispersion liquid attached to a surface of the porous support excluding an inside of pores of the porous support, and subsequently drying the porous support including the dispersion liquid in the pores of the porous support to remove the dispersion medium.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: April 30, 2024
    Assignees: HOKUETSU CORPORATION, THE UNIVERSITY OF TOKYO
    Inventors: Junji Nemoto, Toshihiko Soyama, Tsuguyuki Saito, Akira Isogai
  • Patent number: 11974501
    Abstract: Provided is a novel chalcogen-containing organic semiconductor compound having excellent carrier mobility. The compound is represented by Formula (1a) or (1b): [Chem. 1] where in Formulas (1a) and (1b), X represents S, O, or Se, and R1 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a pyridyl group, a furyl group, a thienyl group, or a thiazolyl group.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: April 30, 2024
    Assignees: THE UNIVERSITY OF TOKYO, PI-CRYSTAL INC.
    Inventors: Toshihiro Okamoto, Junichi Takeya, Masato Mitani, Yosuke Ito, Tomonori Matsumuro
  • Patent number: 11967101
    Abstract: The present invention provides a motion capture with a high accuracy which can replace an optical motion capture technology, without attaching optical markers and sensors to a subject. A subject with an articulated structure has a plurality of feature points in the body of the subject including a plurality of joints wherein a distance between adjacent feature points is obtained as a constant. A spatial distribution of a likelihood of a position of each feature point is obtained based on a single input image or a plurality of input images taken at the same time. One or a plurality of position candidates corresponding to each feature point are obtained based on the spatial distribution of the likelihood of the position of each feature point. Each join angle is obtained by performing an optimization calculation based on inverse kinematics using the candidates and the articulated structure.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: April 23, 2024
    Assignee: THE UNIVERSITY OF TOKYO
    Inventors: Yoshihiko Nakamura, Wataru Takano, Yosuke Ikegami, Takuya Ohashi, Kazuki Yamamoto, Kentaro Takemoto
  • Patent number: 11968777
    Abstract: This wiring board includes a substrate having a first elastic modulus and including a first surface and a second surface positioned on the opposite side of the first surface; wiring positioned on the first surface side of the substrate and connected to an electrode of an electronic component mounted on the wiring board; and a reinforcing member having a second elastic modulus greater than the first elastic modulus and at least including a first reinforcing part that is positioned on the first surface side of the substrate or on the second surface side of the substrate and that at least partially overlaps the electronic component mounted on the wiring board when viewed along the normal direction of the first surface of the substrate.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 23, 2024
    Assignees: DAI NIPPON PRINTING CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Kenichi Ogawa, Takao Someya
  • Publication number: 20240128144
    Abstract: The present disclosure provides a sealing material suitable for a compound having a non-stoichiometric composi263tion. The present disclosure is related to a sealing material for a compound having a non-stoichiometric composition, the sealing material including a polymer layer and an inorganic oxide insulator layer, wherein the polymer layer includes a first polymer layer containing an organic solvent soluble polymer.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 18, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Junichi TAKEYA, Shunichiro WATANABE, Shouhei KUMAGAI, Xiaozhu WEI, Daiji IKEDA, Hiroki SATO, Yasuyuki AKAI
  • Patent number: 11959815
    Abstract: Disclosed herein is a stress sensor that includes a stress detection layer including a laminated body including a first ferromagnetic layer, a first non-magnetic layer, a second ferromagnetic layer, and an antiferromagnetic layer stacked one on another. The antiferromagnetic layer includes Mn, and the magnetization direction of the second ferromagnetic layer is fixed by the exchange bias caused by the exchange coupling with the antiferromagnetic layer. The stress sensor detects a stress by an electric resistance depending upon a relative angle between magnetization directions of the first ferromagnetic layer and the second ferromagnetic layer, the relative angle changing depending upon an externally applied stress.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 16, 2024
    Assignees: MURATA MANUFACTURING CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Akira Ando, Daichi Chiba
  • Patent number: 11963433
    Abstract: The present invention provides an organic electroluminescence device capable of having not only a device lifetime comparable to that of an existing organic electroluminescence device but also a small thickness of smaller than 10 ?m and excellent flexibility. The present invention relates to an organic electroluminescence device having a structure including: an anode; a cathode on a substrate; and a laminate of multiple layers between the anode and the cathode, the device having a thickness of smaller than 10 ?m.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: April 16, 2024
    Assignees: The University of Tokyo, Nippon Hoso Kyokai, Nippon Shokubai Co., Ltd.
    Inventors: Takao Someya, Tomoyuki Yokota, Hirohiko Fukagawa, Takahisa Shimizu, Katsuyuki Morii, Tsuyoshi Goya, Kenji Kuwada
  • Patent number: 11962215
    Abstract: A linear motor achieves both a decrease in pulsation and an increase in propulsion with a 6n teeth structure provided with: a first mover for holding permanent magnets arranged longitudinally; a first stator having 6n teeth that are arranged so as to oppose the first mover and 6n windings that are wound on the respective teeth; a second mover holding permanent magnets longitudinally; a second stator having 6n teeth that are arranged in the longitudinal direction so as to oppose the second mover and 6n windings that are wound on the respective teeth The permanent magnets opposing each other in the first mover and the second mover are disposed with a phase difference of ?/2 in the moving direction of the two movers, and electrical currents with a phase difference of (1+6m)?/3 or (2+6m)?/3 are supplied to the windings opposing each other in the first stator and the second stator.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: April 16, 2024
    Assignees: HITACHI, LTD., THE UNIVERSITY OF TOKYO
    Inventors: Yasuaki Aoyama, Junnosuke Nakatsugawa, Kunihiko Noriduki, Takafumi Koseki, Salman Ahmed, Yuto Mitsui
  • Patent number: 11957796
    Abstract: The present invention provides isolated nanosheets each of which includes a plurality of pseudo-polyrotaxanes and which are easily isolated without adhering to each other. The present invention provides an isolated nanosheet including a plurality of pseudo-polyrotaxanes each having one or more first cyclic molecules and a linear molecule included in a cavity or cavities of the first cyclic molecules in a skewered manner, wherein the linear molecules include, as part thereof, first linear molecules each having an ionizable group that ionizes in water or an aqueous solution.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: April 16, 2024
    Assignee: THE UNIVERSITY OF TOKYO
    Inventors: Kohzo Ito, Rina Maeda, Shuntaro Uenuma
  • Patent number: 11951562
    Abstract: A laser processing system is equipped with a processing laser beam irradiation device configured to irradiate a processing object with processing laser beam and perform ablation processing. The laser processing system is configured to obtain an ablation image of a processed portion of the processing object based on scattered light from the processed portion during processing of the processing object with the processing laser beam and to estimate an ablation volume by applying a learning result obtained by deep learning of a relationship between the ablation image and the ablation volume to the obtained ablation image.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: April 9, 2024
    Assignee: THE UNIVERSITY OF TOKYO
    Inventors: Yohei Kobayashi, Shuntaro Tani, Yutsuki Aoyagi
  • Patent number: 11955938
    Abstract: Proposed is an acoustic output device that obtains enough distance attenuation to achieve localization of a sound field by controlling the driving of a loudspeaker array by use of a more compact shape. The acoustic output device 10 comprises: a loudspeaker array 20 that includes a plurality of loudspeakers 20-1, 20-2, . . . , 20-N arranged in a two-dimensional plane; and an amplifier array 40 that includes a plurality of amplifiers 40-1, 40-2, . . . , 40-N that control the amplitude and phase of the drive signals for each loudspeaker according to the eigenvectors of the predetermined radiation mode of the loudspeaker array 20.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: April 9, 2024
    Assignees: The University of Tokyo, KOGAKUIN UNIVERSITY, Foster Electric Company, Limited
    Inventors: Tsutomu Kaizuka, Kimihiko Nakano, Yoshio Koike, Yoshiteru Uchida, Manabu Sasajima
  • Publication number: 20240112826
    Abstract: In a method for designing a mirror, a design formula of a reflecting surface is used which is derived based on conditions that: an intersection point between a sagittal light source ray and an incoming light ray to an MA point and an intersection point between a meridional light source ray and the incoming light ray to the MA point are represented by using L1sA and L1mA, respectively; an intersection point between an outgoing light ray from the MA point and a sagittal virtual collected light ray and an intersection point between the outgoing light ray from the MA point and a meridional virtual collected light ray are expressed by using L2sA and L2mA; an intersection point between a sagittal virtual light source ray and an incoming light ray to an MB point and an intersection point between a meridional virtual light source ray and the incoming light ray to the MB point are expressed by using L2sA and L2mA, and L; and an intersection point between an outgoing light ray from the MB point and the sagittal collect
    Type: Application
    Filed: January 11, 2022
    Publication date: April 4, 2024
    Applicant: The University of Tokyo
    Inventors: Yoko TAKEO, Hidekazu MIMURA
  • Publication number: 20240110293
    Abstract: An ammonia manufacturing apparatus of an embodiment includes: an electrochemical reaction cell including: a first reaction tank in which a reduction electrode is arranged and gaseous nitrogen is supplied; a second reaction tank in which an oxidation electrode is arranged and an electrolytic solution containing water or water vapor is supplied; and a diaphragm provided between the first reaction tank and the second reaction tank. In the ammonia manufacturing apparatus of the embodiment, the reduction electrode includes a reduction catalyst that reduces nitrogen to produce ammonia, a porous carbon material that supports the reduction catalyst, and an organic polymer material that binds the porous carbon material. The porous carbon material has pores with a BET average pore size of 1 nm or more and 15 nm or less.
    Type: Application
    Filed: March 16, 2023
    Publication date: April 4, 2024
    Applicants: KABUSHIKI KAISHA TOSHIBA, The University of Tokyo
    Inventors: Jun TAMURA, Ryota KITAGAWA, Koji MIZUGUCHI, Yoshitsune SUGANO, Yoshiaki NISHIBAYASHI, Kazuya ARASHIBA