Patents Assigned to University of Tokyo
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Patent number: 12227642Abstract: An object of the present invention is to provide a gel material including a solvophilic polymer having a ?m-scale porous structure. A polymer gel in which solvophilic polymer units are cross-linked with each other, wherein the polymer gel contains a solvent and has a three-dimensional network structure having two regions: a first region in which the polymer units are densely present and a second region in which the polymer units are sparsely present, and a mesh size composed of the first region is from 1 to 500 ?m.Type: GrantFiled: July 29, 2019Date of Patent: February 18, 2025Assignee: The University of TokyoInventors: Takamasa Sakai, Yuichi Tei
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Patent number: 12230023Abstract: An analysis device includes an analysis unit configured to receive scattered light, transmitted light, fluorescence, or electromagnetic waves from an observed object located in a light irradiation region light-irradiated from a light source and analyze the observed object on the basis of a signal extracted on the basis of a time axis of an electrical signal output from a light-receiving unit configured to convert the received light or electromagnetic waves into the electrical signal.Type: GrantFiled: November 16, 2023Date of Patent: February 18, 2025Assignees: The University of Tokyo, Osaka UniversityInventors: Sadao Ota, Issei Sato, Katsuhito Fujiu, Satoko Yamaguchi, Kayo Waki, Yoko Itahashi, Ryoichi Horisaki
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Publication number: 20250049735Abstract: It is an object of the present invention to provide a preventive agent, a therapeutic agent or a therapeutic composition for steatohepatitis developed by phospholipid deficiency or decreased phospholipid synthesis in the liver, and to provide a therapeutic method for the aforementioned disease. More specifically, the present invention relates to a therapeutic agent for steatohepatitis, comprising, as an active ingredient, choline or a choline metabolite, ethanolamine or an ethanolamine metabolite, a salt thereof, or a solvate thereof, wherein the therapeutic agent for steatohepatitis is characterized in that the steatohepatitis is developed by decreased phospholipid synthesis in the liver. Examples of the choline metabolite may include betaine, dimethylglycine, and phosphatidylcholine.Type: ApplicationFiled: December 5, 2022Publication date: February 13, 2025Applicant: The University of TokyoInventors: Hisamitsu HAYASHI, Yusuke SABU, Ryutaro TAMURA
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Patent number: 12221649Abstract: A compound is represented by the following general formula (I): The compound or a salt thereof provides a fluorescent probe for detecting carboxypeptidase activity In the formula, R1 represents an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms; T represents an amino acid residue or a residue of an amino acid derivative; S represents a C-terminal amino acid residue. represents a fluorophore, and the fluorophore is a fluorophore in which an absorption/fluorescence wavelength greatly changes or a quenched state changes to a fluorescent state by elimination of the —P(?O)(—R1)-T-S moiety.Type: GrantFiled: December 2, 2019Date of Patent: February 11, 2025Assignee: The University of TokyoInventors: Yasuteru Urano, Mako Kamiya, Yugo Kuriki
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Patent number: 12215019Abstract: An electrostatic device includes: a fixed portion, a moveable portion, and an elastically-supporting portion that are formed in a same substrate; and a first glass package and a second glass package that are anodically bonded to each other on one and the other of front and back surfaces of the substrate with the fixed portion and the elastically-supporting portion separated from each other, the second glass package forms a sealed space in which the moveable portion is arranged between the first and second glass packages, an electret is formed at least partially in the fixed portion and the moveable portion, and a first electrode connected to the fixed portion and exposed on an outer surface of the second glass package and a second electrode connected to the elastically-supporting portion and exposed on the outer surface of the second glass package are formed in the second glass package.Type: GrantFiled: March 19, 2020Date of Patent: February 4, 2025Assignees: The University of Tokyo, Saginomiya Seisakusho, Inc.Inventors: Hiroshi Toshiyoshi, Hiroaki Honma, Hiroyuki Mitsuya
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Patent number: 12214003Abstract: It was found that bacteria belonging to the genus Clostridium induce accumulation of regulatory T cells (Treg cells) in the colon. Moreover, the present inventors found that regulatory T cells (Treg cells) induced by from these bacteria suppressed proliferation of effector T-cells. From these findings, the present inventors found that the use of bacteria belonging to the genus Clostridium or a physiologically active substance derived therefrom made it possible to induce proliferation or accumulation of regulatory T cells (Treg cells), and further to suppress immune functions.Type: GrantFiled: May 28, 2024Date of Patent: February 4, 2025Assignee: The University of TokyoInventors: Kenya Honda, Koji Atarashi, Kikuji Itoh, Takeshi Tanoue
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Publication number: 20250034338Abstract: Provided are: cellulose porous particles which have large surface areas on which cells can be attached, and on which cells can be adhered easily, and which rarely undergo the detachment of cells when the cells are cultured at a high density; and a microcarrier for culture use, which comprises the cellulose porous particles. The cellulose porous particles according to the present invention are composed of cellulose, in which the cellulose constituting the cellulose porous particles is modified by a cationic substituent and the cellulose constituting the celluose porous particles has a polypeptide bound thereto.Type: ApplicationFiled: December 8, 2022Publication date: January 30, 2025Applicants: The University of Tokyo, ASAHI KASEI KABUSHIKI KAISHAInventors: Yuichi Hara, Kodai Harano, Ayae Sano, Taichi Ito, Yuichiro Oki, Natsuko Inagaki
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Publication number: 20250032681Abstract: The purpose of this invention is to provide an anti-adhesion material having a high anti-adhesion effect, pertaining to an anti-adhesion material comprising a biocompatible sponge-like layered body having a sponge-like first layer and a sponge-like second layer both being at least partially crosslinked with a curing agent and comprising a low endotoxin monovalent metal salt of alginic acid. The monovalent metal salt of alginic acid in the first layer has a weight average molecular weight of 30000 to 300000. The monovalent metal salt of alginic acid in the second layer has a weight average molecular weight of 1000 to 200000. The weight average molecular weights are determined by GPC-MALS after a de-crosslinking treatment. The weight average molecular weight of the monovalent metal salt of alginic acid in the first layer is higher than the weight average molecular weight of the monovalent metal salt of alginic acid in the second layer.Type: ApplicationFiled: October 1, 2024Publication date: January 30, 2025Applicants: Mochida Pharmaceutical Co., Ltd., The University of TokyoInventors: Taichi ITO, Seiichi OHTA, Kiyoshi HASEGAWA, Mitsuko ISAJI, Satoshi SHIMIZU, Daichi TANAKA
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Patent number: 12213377Abstract: Provided are an organic thin film transistor, an organic semiconductor film, a compound, an organic thin film transistor-forming composition, and a method of manufacturing the organic thin film transistor. The organic thin film transistor includes the organic semiconductor film. The organic semiconductor film includes a compound represented by a specific formula. The organic semiconductor film, the compound, and the organic thin film transistor-forming composition can be preferably used in the organic thin film transistor. The method of manufacturing the organic thin film transistor includes a step of forming an organic semiconductor film by applying the organic thin film transistor-forming composition to a substrate.Type: GrantFiled: July 22, 2021Date of Patent: January 28, 2025Assignees: FUJIFILM Corporation, The University of TokyoInventors: Eiji Fukuzaki, Tetsuya Watanabe, Yoshihisa Usami, Yukio Tani, Toshihiro Okamoto, Junichi Takeya
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Publication number: 20250027096Abstract: The present disclosure provides a transformant obtained by introducing an aldehyde-alcohol dehydrogenase gene into a bacterium of the genus Hydrogenophilus.Type: ApplicationFiled: October 1, 2024Publication date: January 23, 2025Applicants: Utilization of Carbon Dioxide Institute Co., Ltd., The University of TokyoInventors: Hideaki Yukawa, Naoto Ohtani, Masaharu Ishii
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Publication number: 20250027727Abstract: Provided is a heat exchange promotion member and a heat exchanger that can improve heat transfer performance while holding down an increase in pressure drag of a fluid that exchanges heat with the heat exchange promotion member. A heat dissipation fin 14 of the present invention is a heat exchange promotion member that exchanges heat with a flowing fluid. The heat dissipation fin 14 includes a planar part 12 which is a surface substantially parallel to the fluid flowing direction and a raised part 13 that protrudes from the planar part 12 toward the fluid. The raised part 13 has a portion slanted relative to the direction in which the fluid flows, and there are a plurality of the raised parts 13 formed spaced apart from one another in the fluid flowing direction.Type: ApplicationFiled: October 7, 2024Publication date: January 23, 2025Applicants: Atago Manufacturing Co., Ltd., The University of Tokyo, DENSO CORPORATIONInventors: Noboru Otomo, Ken Yamamoto, Kenichi Morimoto, Yuji Suzuki
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Publication number: 20250017977Abstract: The present invention pertains to hepatocytes, liver progenitor cells, cholangiocytes, liver sinusoidal endothelial progenitor cells, liver sinusoidal endothelial cells, hepatic stellate progenitor cells, hepatic stellate cells, and liver cellular tissue models, as well as to methods for preparing these cells. The present invention also pertains to a cell fraction comprising liver progenitor cells, liver sinusoidal endothelial progenitor cells, or hepatic stellate progenitor cells. The present invention also pertains to a pharmaceutical composition or kit comprising the above-mentioned cells, a liver cellular tissue model, or a cell fraction.Type: ApplicationFiled: September 27, 2024Publication date: January 16, 2025Applicant: The University of TokyoInventors: Atsushi Miyajima, Taketomo Kido, Yuta Koui, Ayaka Kobayashi
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Publication number: 20250017606Abstract: A guide device that guides a drill that drills a second bone hole in a bone in which a first bone hole is formed includes: an elongated protective portion that is inserted into the first bone hole and that defines, in an interior of the first bone hole, a pathway that extends in a longitudinal direction of the first bone hole and through which a suture passes; a guide portion that has a guide hole that specifies a guide axis and that guides the drill passing through the guide hole along the guide axis; and an arm portion that connects the protective portion with the guide portion. The guide axis is disposed at a twist position with respect to the protective portion, and the drill guided along the guide axis passes through a position at which the drill does not interfere with the suture that passes through the pathway.Type: ApplicationFiled: July 22, 2024Publication date: January 16, 2025Applicants: OLYMPUS TERUMO BIOMATERIALS CORP., National University Corporation Tokyo Medical and Dental UniversityInventors: Tomohiko FUKUHARA, Toshihisa IWANAGA, Hideyuki KOGA
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Patent number: 12198828Abstract: The method for producing an electrically conductive polymer material includes: a preparing step of providing a polymer film formed from an oriented polymeric semiconductor; and a doping step of introducing a first ion into the polymer film, in the doping step, a treatment liquid, which is obtained by dissolving, in an ionic liquid including the first ion having the opposite polarity to carriers to be injected into the polymeric semiconductor by doping in the form of a cation and an anion or an organic solvent having dissolved therein a salt including the first ion, a dopant which has the same polarity as that of the first ion and which oxidizes or reduces the polymeric semiconductor, is allowed to be in contact with the surface of the polymer film to form an intermediate of a second ion formed by ionization of the dopant and the polymeric semiconductor by a redox reaction, and to replace the second ion in the intermediate with the first ion.Type: GrantFiled: October 21, 2019Date of Patent: January 14, 2025Assignee: The University of TokyoInventors: Junichi Takeya, Shunichiro Watanabe, Yu Yamashita
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Patent number: 12188090Abstract: Disclosed is a method for determining the sex of yellowtails, the method comprising a step of identifying whether an amino acid residue at position 143 in polypeptide encoded by the HSD17B1 gene of yellowtails is a glutamic acid residue or a glycine residue; a nucleic acid molecule or a primer set which is for use in said method; or a kit comprising the same, for determining the sex of yellowtails. The method according to the present invention is useful in that the genetic sex of yellowtails can be accurately determined.Type: GrantFiled: February 18, 2019Date of Patent: January 7, 2025Assignee: National University Corporation Tokyo University of Marine Science and TechnologyInventors: Takashi Sakamoto, Masatoshi Nakamoto, Kiyoshi Kikuchi, Takashi Koyama
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Patent number: 12188024Abstract: A transformant obtained by introducing a DNA of (a1), (a2), or (a3) below, and (b) an alcohol dehydrogenase gene, into a bacterium of the genus Hydrogenophilus, can efficiently produce isobutanol utilizing carbon dioxide as a sole carbon source. (a1) DNA which consists of a base sequence of SEQ ID NO: 1; (a2) DNA which consists of a base sequence having 90% or more identity with SEQ ID NO: 1, the DNA encoding a polypeptide having 2-keto-acid decarboxylase activity; (a3) DNA which hybridizes with a DNA consisting of a base sequence complementary to SEQ ID NO: 1 under stringent conditions, and which encodes a polypeptide having 2-keto-acid decarboxylase activity.Type: GrantFiled: May 11, 2023Date of Patent: January 7, 2025Assignees: Utilization of Carbon Dioxide Institute Co., Ltd., The University of TokyoInventors: Hideaki Yukawa, Naoto Ohtani, Masaharu Ishii
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Patent number: 12188025Abstract: A transformant obtained by introducing a DNA of (a1), (a2), or (a3) below, and (b) an alcohol dehydrogenase gene, into a bacterium of the genus Hydrogenophilus, can efficiently produce isobutanol utilizing carbon dioxide as a sole carbon source. (a1) DNA which consists of a base sequence of SEQ ID NO: 1; (a2) DNA which consists of a base sequence having 90% or more identity with SEQ ID NO: 1, the DNA encoding a polypeptide having 2-keto-acid decarboxylase activity; (a3) DNA which hybridizes with a DNA consisting of a base sequence complementary to SEQ ID NO: 1 under stringent conditions, and which encodes a polypeptide having 2-keto-acid decarboxylase activity.Type: GrantFiled: May 11, 2023Date of Patent: January 7, 2025Assignees: Utilization of Carbon Dioxide Institute Co., Ltd., The University of TokyoInventors: Hideaki Yukawa, Naoto Ohtani, Masaharu Ishii
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Publication number: 20250000919Abstract: A composition comprising an ingredient that is effective for inducing autophagy in intestinal epithelial cells and intestinal epithelial stem cells and can be ingested at ease on a daily basis is provided. A composition for inducing autophagy, the composition comprising bacterial cells of a lactic acid bacterium belonging to the family Lactobacillaceae is provided. The lactic acid bacterium is preferably a lactic acid bacterium belonging to any of the genera Lactiplantibacillus, Lactobacillus, Lacticaseibacillus, Companilactobacillus, and Limosilactobacillus.Type: ApplicationFiled: July 12, 2022Publication date: January 2, 2025Applicants: National University Corporation Tokyo Medical and Dental University, MEIJI CO., LTD.Inventors: Shigeomi SHMIZU, Yumiko WATANABE, Toshihiro SASHIHARA
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Patent number: 12178059Abstract: A detection device includes a photodiode, and a thin-film transistor coupled to the photodiode. The thin-film transistor includes a semiconductor layer between a light-blocking layer and the photodiode, and an electrode layer between the semiconductor layer and the photodiode, and the electric layer includes a source electrode and a drain electrode of the thin-film transistor. The source electrode extends to a position facing the light-blocking layer with the semiconductor layer interposed therebetween.Type: GrantFiled: October 13, 2021Date of Patent: December 24, 2024Assignees: Japan Display Inc., The University of TokyoInventors: Takashi Nakamura, Makoto Uchida, Masahiro Tada, Marina Mochizuki, Hirofumi Kato, Akio Takimoto, Takao Someya, Tomoyuki Yokota
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Publication number: 20240418733Abstract: A method for detecting a kidney dysfunction diagnostic marker, the method including measurement of an expression amount of MUC1 and/or MGAM in urinary extracellular vesicles derived from a subject.Type: ApplicationFiled: October 26, 2022Publication date: December 19, 2024Applicants: The University of Tokyo, Japanese Foundation for Cancer ResearchInventors: Yutaka HARITA, Keiichi TAKIZAWA, Koji UEDA