Patents Assigned to Tokyo Medical and Dental University
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Publication number: 20240117346Abstract: In an embodiment, an object of the present invention is to provide a double-stranded nucleic acid complex having a novel structure. In an embodiment, the present invention relates to a nucleic acid complex comprising a first nucleic acid strand and a second nucleic acid strand, wherein said first nucleic acid strand: (1) is capable of hybridizing to at least a part of a target transcriptional product; (2) has an antisense effect on the target transcriptional product; and (3) is a gapmer comprising a central region, and a 5? wing region and a 3? wing region, said second nucleic acid strand comprises at least one sugar-unmodified central region (first exposed region) consisting of one sugar-unmodified ribonucleoside or two or three contiguous sugar-unmodified ribonucleosides linked by an internucleoside bond, which is or are complementary to a part of said first nucleic acid strand, and said first nucleic acid strand is annealed to said second nucleic acid strand.Type: ApplicationFiled: October 9, 2020Publication date: April 11, 2024Applicants: National University Corporation Tokyo Medical and Dental University, Takeda Pharmaceutical Company LimitedInventors: Takanori Yokota, Tetsuya Nagata, Hiroki Yamada, Hideki Furukawa, Takatoshi Yogo, Kenichi Miyata, Akio Uchida, Naoki Tomita
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Publication number: 20240081980Abstract: A vocalization assistance device includes: a mounting body that is mounted in an oral cavity of a person and that has a facing portion facing a palate of the person; a diaphragm that is provided at the facing portion and that is capable of outputting a sound recorded by a device having a recording function, as an original sound; and a passage that is provided at the facing portion and that is configured to transmit the original sound output from the diaphragm to a rear side of the oral cavity.Type: ApplicationFiled: January 25, 2022Publication date: March 14, 2024Applicant: National University Corporation Tokyo Medical and Dental UniversityInventors: Haruka TOHARA, Taishi YAMADA, Kazuharu NAKAGAWA, Kohei YAMAGUCHI, Daiki MIZUGUCHI
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Publication number: 20240050189Abstract: A biomagnetic field measurement device includes an irradiation unit configured to irradiate a subject with radiation; an imaging unit having a light-receiving surface for receiving radiation, the imaging unit being configured to image the subject based on the radiation from the irradiation unit; a marker part configured to absorb the radiation from the irradiation unit; and a processing circuit configured to output biological information based on third position information of the marker part and an imaged result of the subject by the imaging unit, the third position information of the marker part being calculated from first position information of the marker part, second position information of the irradiation unit, and a captured image of the marker part imaged by the imaging unit.Type: ApplicationFiled: August 8, 2023Publication date: February 15, 2024Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Masahiro Takada, Shigenori Kawabata, Akira Kinoshita
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Publication number: 20240034836Abstract: A coating agent including a polyrotaxane represented by Formula (1): wherein R1 is a hydrogen atom or a methyl group, m is 1 to 2000, and n is 10 to 500, is a cyclodextrin in which at least one hydroxyl group is modified with R2, and R2 is a C1-6 alkyl group.Type: ApplicationFiled: November 10, 2021Publication date: February 1, 2024Applicants: DENKA COMPANY LIMITED, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Ruriko AOYAMA SEKIYA, Nobuhiko YUI, Yoshinori ARISAKA, Tetsuya YODA, Hiroki MASUDA
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Publication number: 20240023862Abstract: A diagnostic support apparatus includes a computing unit that computes a decreasing rate of a current intensity of an inward current flowing into a nerve pathway, based on magnetic field data obtained by measuring a magnetic field generated by a subject.Type: ApplicationFiled: January 11, 2022Publication date: January 25, 2024Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Nobuyori NAGAOKA, Taishi WATANABE, Shigenori KAWABATA
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Patent number: 11877764Abstract: The present invention provides a coronary artery bypass surgery treatment tool or the like including a flexible tube, a suction cup in which an opening portion is formed to communicate with the flexible tube and which is provided at a distal end of the flexible tube, a joint portion which has a suction path, a male connector which is provided in one of a proximal end of the flexible tube and a distal end of the suction path of the joint portion, and a female connector which is provided in the other thereof and is detachably connected to the male connector.Type: GrantFiled: May 16, 2018Date of Patent: January 23, 2024Assignees: SUMITOMO BAKELITE CO., LTD., NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Hirokuni Arai, Toshifumi Sakate, Akira Kawamata, Shinetsu Harata
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Publication number: 20230416682Abstract: A coating agent for promoting osteoblast differentiation and/or adipocyte differentiation of mesenchymal stem cells, the coating agent comprising a polyrotaxane represented by Formula (1): wherein R1 is a hydrogen atom or a methyl group, m is 1 to 2000, and n is 10 to 500, is a cyclodextrin in which at least one hydroxyl group is modified with a group represented by —X—Y, X is a divalent organic group, and Y is a hydroxyl group or a sulfo group.Type: ApplicationFiled: November 22, 2021Publication date: December 28, 2023Applicants: DENKA COMPANY LIMITED, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Ruriko AOYAMA SEKIYA, Yoshinori ARISAKA, Nobuhiko YUI, Takanori IWATA, Tetsuya YODA, Masahiro HAKARIYA, Hiroki MASUDA
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Publication number: 20230414765Abstract: A polymer represented by the following formula (I): wherein each symbol is as described in the specification, is useful as a drug carrier in effectively delivering a drug to a target site.Type: ApplicationFiled: September 8, 2023Publication date: December 28, 2023Applicants: AGC INC., THE UNIVERSITY OF TOKYO, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Mihoko HARA, Rintaro HARA, Kanjiro MIYATA, Mitsuru NAITO, Takanori YOKOTA
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Publication number: 20230414669Abstract: There are provided a production method for a therapeutic agent for arthrosis, in which a population including a plurality of mesenchymal stem cells being cultured is imaged to acquire a cell image, the cell image is analyzed to derive density information on the mesenchymal stem cells in the cell image, colonies, which are formed by the mesenchymal stem cells in the population, are detected based on the density information, and the population is sorted based on at least one of an average colony size or a colony forming unit, which is derived from the detected colonies, and provided a therapeutic agent for arthrosis, which is produced by the production method for a therapeutic agent for arthrosis.Type: ApplicationFiled: September 8, 2023Publication date: December 28, 2023Applicants: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Kentaro NAKAMURA, Shunsuke TOMINAGA, Ichiro SEKIYA, Mitsuru MIZUNO, Hisako KATANO, Nobutake OZEKI
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Patent number: 11851654Abstract: An object of the invention is to provide a low toxicity antisense nucleic acid medicine that can modulate expression of a target transcriptional product in the central nervous system and other sites of a subject. Provided is a low toxicity composition for modulating expression of a target transcriptional product in a site such as the central nervous system of a subject, having a nucleic acid complex formed by annealing together a first nucleic acid strand having an antisense oligonucleotide region with respect to the target transcriptional product, and a second nucleic acid strand having a complementary region that is complementary to at least part of the first nucleic acid strand.Type: GrantFiled: March 19, 2019Date of Patent: December 26, 2023Assignee: NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Takanori Yokota, Tetsuya Nagata, Kotaro Yoshioka
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Patent number: 11832842Abstract: The present invention provides a coronary artery bypass surgery treatment tool or the like including a flexible tube, a suction cup in which an opening portion is formed to communicate with the flexible tube and which is provided at a distal end of the flexible tube, a joint portion which has a suction path, a male connector which is provided in one of a proximal end of the flexible tube and a distal end of the suction path of the joint portion, and a female connector which is provided in the other thereof and is detachably connected to the male connector.Type: GrantFiled: May 16, 2018Date of Patent: December 5, 2023Assignees: SUMITOMO BAKELITE CO., LTD., NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Hirokuni Arai, Toshifumi Sakate, Akira Kawamata, Shinetsu Harata
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Publication number: 20230384291Abstract: The present invention provides means for producing a parathyroid gland organoid. A culture method of the present invention includes a cell population containing a parathyroid gland cell in a ratio of 50% or more, and a mesenchymal cell in a ratio of 10% or more; and a step of culturing the cell population.Type: ApplicationFiled: September 28, 2021Publication date: November 30, 2023Applicants: National University Corporation Tokyo Medical and Dental University, Takeda Pharmaceutical Company LimitedInventors: Takanori TAKEBE, Norikazu SAIKI
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Patent number: 11819570Abstract: A sugar-responsive gel that is highly resistant to temperature changes, and a sugar-responsive drug delivery device including such a gel. The sugar-responsive gel, which comprises a gel composition including a monomer having a hydroxyl group in addition to a phenylboronic-acid-based monomer, can exhibit suitable temperature resistance. A sugar-responsive drug delivery device including such a sugar-responsive gel is less susceptible to the effects of temperature changes, and therefore can prevent undesirable excessive delivery of a drug such as insulin.Type: GrantFiled: May 31, 2019Date of Patent: November 21, 2023Assignees: National University Corporation Tokai National Higher Education and Research System, National University Corporation Tokyo Medical and Dental UniversityInventors: Takayoshi Suganami, Miyako Tanaka, Akira Matsumoto, Hiroko Matsumoto, Yuki Morooka, Yuji Miyahara
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Publication number: 20230346318Abstract: An information processing apparatus inputs expiratory phase data being data of expiratory phase and inspiratory phase data being data of inspiratory phase, for each of abdominal waveform data indicating a breathing waveform of an abdomen of a subject performing breathing training and chest waveform data indicating a breathing waveform of a chest of the subject. The information processing apparatus calculates a phase difference between the abdominal waveform data and the chest waveform data in each of the expiratory phase and the inspiratory phase.Type: ApplicationFiled: March 30, 2023Publication date: November 2, 2023Applicants: NEC Corporation, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Makoto YASUKAWA, Shuhei NOYORI, Kosuke Nishihara, Yuki Kosaka, Akimoto Nimura, Koji Fujita, Takuya Ibara
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Patent number: 11773376Abstract: The present invention relates to providing artificial tendon or ligament tissue having sufficient strength. More specifically, artificial tendon or ligament tissue having sufficient strength is provided by embedding collagen-secreting cells in a gel having strength capable of resisting a tensile load and by culturing the cells while applying a tensile load to the gel to produce artificial tendon or ligament tissue. Cells that steadily express the Mkx gene can be used as the collagen-secreting cells. A fibrin gel containing aprotinin can be used as the gel.Type: GrantFiled: July 12, 2018Date of Patent: October 3, 2023Assignee: National University Corporation Tokyo Medical and Dental UniversityInventors: Hiroshi Asahara, Kensuke Kataoka, Tomoki Chiba
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Publication number: 20230295628Abstract: Developed and provided is: a nucleic acid agent that is efficiently delivered to the central nervous system, to which drug delivery is inhibited by the blood brain barrier mechanism, and that provides an antisense effect to a target transcription product at the delivery site; and a composition containing such a nucleic acid agent. Provided is a double-stranded nucleic acid complex consisting of a first nucleic acid strand and a second nucleic acid strand that are annealed to each other; wherein the first nucleic acid strand hybridizes with part of a target transcription product and has an antisense effect on the target transcription product; and wherein the second nucleic acid strand includes a base sequence complementary to the first nucleic acid strand and is conjugated to a phosphatidylethanolamine or an analog thereof.Type: ApplicationFiled: February 2, 2023Publication date: September 21, 2023Applicants: National University Corporation Tokyo Medical and Dental University, Takeda Pharmaceutical Company LimitedInventors: Takanori Yokota, Tetsuya Nagata, Hideki Furukawa, Yasuo Nakagawa, Takatoshi Yogo, Ryosuke Tokunoh, Shigekazu Sasaki, Kosuke Hidaka, Tomohiro Seki, Kenichi Miyata, Akio Uchida
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Publication number: 20230284951Abstract: The present invention is designed such that, even when inward currents cannot be calculated properly, it is possible to generate current waveforms that can appropriately evaluate the action of a target body tissue by calculating currents that are equivalent to inward currents. A biomagnetic field measurement system includes circuitry and a memory storing executable instructions which, when executed by the circuitry, cause the circuitry to: based on current components extracted from current signals calculated from a biomagnetic field signal, add up current waveforms of current components along a conduction pathway of an action current in a body tissue that is targeted for evaluation, and generate a current waveform for evaluating an intra-cellular current flowing in the conduction pathway, locations of the current components of the added current waveforms being predetermined set distances apart on the conduction pathway, in front of and behind a location of interest on the conduction pathway.Type: ApplicationFiled: March 6, 2023Publication date: September 14, 2023Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Koki Ishida, Taishi Watanabe, Shigenori Kawabata, Yuta Tanaka
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Publication number: 20230263841Abstract: A Bacillus bacterium that induces the production of interleukin-22 is provided. The Bacillus bacterium that induces the production of interleukin-22.Type: ApplicationFiled: March 16, 2023Publication date: August 24, 2023Applicants: ICHIBIKI CO., LTD., NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Toshihiko Kumazawa, Atsuhisa Nishimura, Noriyuki Asai, Takahiro Adachi
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Publication number: 20230212492Abstract: The present invention provides a culture method capable of maturing an organoid through long-term culture, and suitable for producing a conformational organ. The culture method of the present invention is a method for culturing an organoid and/or cells constituting an organ immobilized in a chamber with a culture fluid perfused, and the culture fluid is perfused in such a manner as to generate a turbulent flow in the chamber.Type: ApplicationFiled: June 7, 2021Publication date: July 6, 2023Applicants: National University Corporation Tokyo Medical and Dental University, Takeda Pharmaceutical Company LimitedInventors: Takanori TAKEBE, Norikazu SAIKI
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Patent number: 11692244Abstract: An alloy for biomedical use includes Zr as a main component, Nb the content of which is not less than 0.1% by weight and not greater than 25% by weight, Mo the content of which is not less than 0.1% by weight and not greater than 25% by weight, and Ta the content of which is not less than 0.1% by weight and not greater than 25% by weight. A tensile strength of the alloy is not less than 1000 MPa. A total content of Nb, Mo, and Ta in the alloy is not less than 2% by weight and not greater than 50% by weight. Mass susceptibility of the alloy is not greater than 1.50×10?6 cm3/g. A Young's modulus of the alloy is not greater than 100 GPa. Also disclosed is a medical product including the alloy and a method for producing the alloy.Type: GrantFiled: July 24, 2018Date of Patent: July 4, 2023Assignees: TOKUSEN KOGYO CO., LTD., National University Corporation Tokyo Medical and Dental UniversityInventors: Takao Hanawa, Yusuke Tsutsumi, Mitsutaka Sasakura