Patents Assigned to Riken
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Publication number: 20260258404Abstract: A method for preparing a DNA library from a sample containing RNA includes ligating a first DNA linker to the 3? end of at least one RNA molecule in a sample containing RNA to obtain an RNA molecule having the first DNA linker, hybridizing a first oligonucleotide with the RNA molecule having the first DNA linker to obtain the RNA molecule having a double-stranded DNA promoter region, obtaining a complementary strand of the RNA molecule having the first DNA linker (complementary RNA) by in vitro transcription using the RNA molecule having the double-stranded DNA promoter region as a template and an RNA polymerase that recognizes the promoter sequence and initiates transcription; and ligating a second DNA linker to the 3? end of the complementary RNA and further obtaining a single-stranded DNA by reverse transcription using the complementary RNA having the second DNA linker as a template.Type: ApplicationFiled: March 12, 2024Publication date: September 3, 2026Applicant: RIKENInventors: Shintaro IWASAKI, Yuichi SHICHINO, Mari MITO, Taisei WAKIGAWA
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Publication number: 20260259151Abstract: An inspection device is a device for inspecting an inner peripheral surface of an inspection target having a cylindrical shape. The device includes: an inspection part for emitting a terahertz wave to the inner peripheral surface and detecting a reflection wave of the terahertz wave; and a distance measurement part for measuring a distance between the inspection part and the inner peripheral surface. The inspection part and the distance measurement part are rotated along a circumferential direction of the inspection target. The axial-directional position of the inspection part relative to the inspection target is adjusted. The position of the inspection part on a plane which intersects with an axial direction of the inspection target is adjustable. The position adjustment mechanism is controlled such that a rotational center of the rotation part is positioned on a center axis of the inspection target on the basis of a measurement result of the distance measurement part.Type: ApplicationFiled: July 9, 2024Publication date: September 3, 2026Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., RIKENInventors: Keisuke KAJIKAWA, Jun YASUI, Soki AKUTSU, Hiroaki MINAMIDE
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Publication number: 20260258223Abstract: The present invention relates to a gel structure including a gel composition including at least one type of anisotropic nanostructures, at least one type of liquid, and at least one type of polymer having a crosslinked structure, which has at least one surface in a stationary state, and in which longitudinal axes of the at least one type of anisotropic nanostructures are oriented approximately parallel to each other and non-parallel and non-perpendicular to the at least one surface.Type: ApplicationFiled: February 26, 2024Publication date: September 3, 2026Applicant: RIKENInventors: Yasuhiro ISHIDA, Xiang WANG, Zhihao LI
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Publication number: 20260258473Abstract: A novel fluorescent probe that includes a compound of the following general formula (II) or a salt thereof:Type: ApplicationFiled: April 27, 2026Publication date: September 3, 2026Applicants: THE UNIVERSITY OF TOKYO, PUBLIC UNIVERSITY CORPORATION NAGOYA CITY UNIVERSITY, RIKENInventors: Yasuteru URANO, Toru KOMATSU, Shingo SAKAMOTO, Hiroyuki NOJI, Hidehiko NAKAGAWA, Mitsuyasu KAWAGUCHI, Rikiya WATANABE
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Publication number: 20260243779Abstract: In one aspect, a novel method that allows for evaluation of an RTK activity is provided.Type: ApplicationFiled: February 29, 2024Publication date: August 20, 2026Applicants: The University of Osaka, RIKENInventors: Masahiro UEDA, Michio HIROSHIMA, Daisuke WATANABE
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Patent number: 12703867Abstract: The present invention provides a cell activating the immune system and a pharmaceutical composition containing the cell. According to the present invention, there is provided a mammalian cell having at least one protein selected from the group consisting of E6 protein and E7 protein for early genes of human papillomavirus and a fusion protein of E6 protein and E7 protein, and CD1d protein, wherein the mammalian cell is pulsed with a CD1d ligand. According to the present invention, there are also provided a fusion protein having E7 protein, E6 protein and E7 protein in this order, a nucleic acid encoding the protein and a gene expression vector therefor.Type: GrantFiled: June 12, 2020Date of Patent: August 11, 2026Assignee: RIKENInventors: Shinichiro Fujii, Kanako Shimizu
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Patent number: 12704816Abstract: A physical package is provided with: a MOT device; an optical chamber which constitutes an optical lattice formation portion; and a vacuum chamber which surrounds these components and has a substantially cylindrical shape. The MOT device is arranged along the beam axis of an atomic beam and traps an atom cluster. The optical lattice formation portion uses optical lattice light that enters therein to form an optical lattice in a cavity, confines the atom cluster trapped by the MOT device in the optical lattice, and transfers, along the X-axis which is a movement axis perpendicular to the beam axis, the atom cluster to a clock transition space which facilitates clock transition. The central axis of the cylinder of the main body of the vacuum chamber passes through the clock transition space, and is set to be substantially parallel with the beam axis.Type: GrantFiled: March 30, 2021Date of Patent: August 11, 2026Assignees: JEOL Ltd., RIKENInventors: Shigenori Tsuji, Masao Takamoto, Hidetoshi Katori
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Patent number: 12697805Abstract: A propulsion strengthening member attached to a surface of an object existing in outer space, the propulsion strengthening member includes: a transparent member that transmits an emitted laser; and an opaque member that is provided between the transparent member and the object and absorbs the laser such that at least a part thereof is evaporated by energy of the laser.Type: GrantFiled: May 15, 2024Date of Patent: August 4, 2026Assignees: SKY Perfect JSAT Corporation, RikenInventors: Tadanori Fukushima, Jun Yamada, Daisuke Hirata, Toshikazu Ebisuzaki, Satoshi Wada
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Patent number: 12697384Abstract: The present invention provides a vaccine against a coronavirus. According to the present invention, there is provided a peptide consisting of the amino acid sequence set forth in SEQ ID NO: 1 or a partial peptide of a coronavirus spike protein consisting of the amino acid sequence corresponding to the amino acid sequence of SEQ ID NO: 1 and a multiple antigen peptide containing a plurality of any of these peptides.Type: GrantFiled: May 21, 2021Date of Patent: August 4, 2026Assignees: RIKEN, ANIMAL ALLERGY CLINICAL LABORATORIES INC.Inventors: Kenichi Masuda, Takashi Saito
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Patent number: 12696570Abstract: A light-receiving device includes: a semiconductor substrate including a light-receiving region with light-receiving elements arranged two-dimensionally in matrix, and a peripheral region provided therearound; a first first electrically-conductive region provided at a first surface of the semiconductor substrate for each element and coupled to a first electrode, in the light-receiving region; a second first electrically-conductive region provided at the first surface and around the first first region provided for each element and coupled to a second electrode; a third first electrically-conductive region provided at the first surface and around the second first region provided for each element and having electrically floating state; a fourth first electrically-conductive region provided at the first surface and around the light-receiving region and having electrically floating state, in the peripheral region; and a first second electrically-conductive region embeddedly formed in the semiconductor substrate anType: GrantFiled: March 25, 2022Date of Patent: July 28, 2026Assignees: Sony Semiconductor Solutions Corporation, RIKENInventors: Hiroaki Ishiwata, Chihiro Arai, Hikaru Iwata, Takaki Hatsui, Takahiro Kawamura, Kazunobu Ota
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Patent number: 12679805Abstract: The present invention relates to a compound represented by the following formula (I): and an antimalarial drug comprising the compound.Type: GrantFiled: March 3, 2022Date of Patent: July 14, 2026Assignee: RIKENInventors: Hiroyuki Osada, Takayuki Motoyama, Islam Adel Abdelhakim, Yushi Futamura
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Publication number: 20260193616Abstract: A pluripotent stem cell that has higher efficiency of differentiation and is still inhibited from spontaneously differentiating into all three germ layers is produced. A pluripotent stem cell is suspension-cultured in a liquid medium containing a PKC? inhibitor and a WNT inhibitor, and then suspension-cultured in a liquid medium not substantially containing a PKC? inhibitor and/or a WNT inhibitor.Type: ApplicationFiled: November 8, 2023Publication date: July 9, 2026Applicants: KANEKA CORPORATION, RIKENInventors: Sho KAMBAYASHI, Yohei HAYASHI, Mami TAKASAKI
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Publication number: 20260185046Abstract: Provided are a production method of retinal pigment epithelial (RPE) cells that improves differentiation induction efficiency of pluripotent stem cells into RPE cells, and can provide highly pure RPE cells by a simple and easy operation in a short period, a culture method of RPE cells that can stably grow and culture a cell, a toxicity/efficacy evaluation method using RPE cells useful for transplantation therapy, and a therapeutic drug for a retinal disease. The invention relates to a production method of RPE cells, comprising adhesion culture of human pluripotent stem cells using a culture substrate coated with a laminin-E8 fragment, a culture method of RPE cells, comprising adhesion culture of RPE cells using a culture substrate coated with a laminin-E8 fragment, a toxicity or efficacy evaluation method using RPE cells obtained by producing or culturing by the method, and a therapeutic drug for a retinal disease, containing the RPE cells.Type: ApplicationFiled: February 19, 2026Publication date: July 2, 2026Applicants: HEALIOS K.K., RIKEN, OSAKA UNIVERSITYInventors: Masanori SAWADA, Masayo TAKAHASHI, Kiyotoshi SEKIGUCHI
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Patent number: 12669496Abstract: An object of the present invention is to provide a new method for evaluating and/or screening an excellent healthcare material or pharmaceutical product based on a new concept. The present invention to solve the above object is a method for evaluating and/or screening a control agent for tissue morphology and/or tissue function, the method including: applying a test substance to a tissue or cell capable of expressing a mechanical stress signaling molecule; and evaluating expression, activity, or intracellular localization of the mechanical stress signaling molecule in the tissue or cell.Type: GrantFiled: October 19, 2020Date of Patent: June 30, 2026Assignees: ROHTO PHARMACEUTICAL CO., LTD., RIKENInventors: Shun Kimura, Takashi Tsuji
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Patent number: 12670235Abstract: Provided is a classification device to classify an image by identifying, on a photograph on which a target belonging to one of a plurality of groups is captured, a portion that characterizes a single group.Type: GrantFiled: July 25, 2019Date of Patent: June 30, 2026Assignee: RIKENInventor: Yoichiro Yamamoto
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Patent number: 12655378Abstract: Provided is a cell culture vessel which allows resolution to be high in a Z-axis direction. A cell culture vessel (1) for accommodating a cell or cell tissue therein includes: a frame part (11) which is provided so as to be located at positions that correspond to respective sides of a polyhedral shape; a window part (12) which is light-transmissive and which is provided so as to be located at positions that correspond to a respective plurality of faces out of faces of the polyhedral shape; and a shaft part (17) which extends, from any of vertices of the polyhedral shape, outward in a direction that is not parallel to any of lines normal to the faces of the polyhedral shape.Type: GrantFiled: May 11, 2021Date of Patent: June 16, 2026Assignee: RIKENInventor: Masaya Hagiwara
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Patent number: 12648688Abstract: According to a medical system of an aspect example, an ophthalmic data acquiring unit includes at least one ophthalmic examination apparatus for acquiring ophthalmic data from a patient, and an internal medicine data acquiring unit includes at least one internal medicine examination apparatus for acquiring internal medicine data from the patient. An inference processor is configured to perform inference processing using a trained model constructed by machine learning using training data that includes ophthalmic data, internal medicine data, and diagnostic result data. The inference processor generates inferred diagnostic data by performing the inference processing based at least on the ophthalmic data of the patient acquired by the ophthalmic data acquiring unit and the internal medicine data of the patient acquired by the internal medicine data acquiring unit. An output unit outputs a result of the inference processing performed by the inference processor.Type: GrantFiled: April 21, 2021Date of Patent: June 9, 2026Assignees: RIKEN, TOPCON CORPORATIONInventors: Satoshi Wada, Masayuki Maruyama, Norihito Saito, Kei Taneishi, Yasufumi Fukuma, Masahiro Akiba, Gaku Takeuchi, Kana Minamide
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Patent number: 12648693Abstract: An ophthalmic information processing apparatus includes a determiner and a detector. The determiner is configured to determine a presence or absence of a disc hemorrhage for a front image of a fundus of a subject's eye, using a disc hemorrhage determination model obtained by performing machine learning using a plurality of fundus images labeled with labels indicating the presence or absence of a disc hemorrhage as first teaching data. The detector is configured to detect a disc hemorrhage region depicted in the front image that is determined to have the disc hemorrhage, using a disc hemorrhage region detection model obtained by performing machine learning using a plurality of pairs of image groups as second teaching data, each pair having a front image of a fundus and a disc hemorrhage region image representing a disc hemorrhage region depicted in the front image.Type: GrantFiled: May 2, 2023Date of Patent: June 9, 2026Assignees: TOPCON CORPORATION, TOHOKU UNIVERSITY, RIKENInventors: Toru Nakazawa, Kazuko Omodaka, Hideo Yokota, Guangzhou An, Tsutomu Kikawa
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Patent number: 12644144Abstract: Provided is a novel fluorescent probe. A compound of the following general formula (I) or a salt thereof.Type: GrantFiled: June 8, 2020Date of Patent: June 2, 2026Assignees: THE UNIVERSITY OF TOKYO, PUBLIC UNIVERSITY CORPORATION NAGOYA CITY UNIVERSITY, RIKENInventors: Yasuteru Urano, Toru Komatsu, Shingo Sakamoto, Hiroyuki Noji, Hidehiko Nakagawa, Mitsuyasu Kawaguchi, Rikiya Watanabe
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Patent number: 12644203Abstract: The present disclosure provides a method for screening cells, the method including a step of preparing a plurality of cells which are tagged with a first barcode nucleic acid associated with a test target and treated with the test target, a step of sorting the plurality of cells based on cellular phenotype using an imaging cell sorter, and a step of identifying the test target used to treat each cell using the first barcode nucleic acid as an indicator.Type: GrantFiled: March 17, 2023Date of Patent: June 2, 2026Assignees: ThinkCyte, Inc., The University of Tokyo, RIKENInventors: Asako Tsubouchi, Sadao Ota, Fumiko Kawasaki