Patents Assigned to Tohoku University
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Publication number: 20250082407Abstract: A device that assists in designing a mounted body to be mounted to a biological component surface, the device comprising: a reference direction information reception unit that receives reference direction information; a position information reception unit that receives position information representing a position of a mounted body corresponding area; a projection position information acquisition unit that acquires projection position information representing projection positions, where sample positions in the mounted body corresponding area are projected onto the biological component surface respectively, based on the received reference direction information, and the received position information; a smooth surface information acquisition unit that acquires smooth surface information representing a smooth surface that is a smooth curved surface defined by using the projection positions as control points; and a mounted body shape information generation unit that generates mounted body shape information based onType: ApplicationFiled: November 8, 2024Publication date: March 13, 2025Applicant: TOHOKU UNIVERSITYInventors: Yoshihiro HAGIWARA, Akio DOI, Kazuhiro SUZUKI
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Patent number: 12239527Abstract: This disclosure provides a method of absorbing or discharging water of an ophthalmic medical device capable of absorbing and discharging water, and an ophthalmic medical device. The method of absorbing or discharging water of an ophthalmic medical device of the present disclosure includes using an ophthalmic medical device including a plurality of electrodes, and generating an electroosmotic flow inside and/or outside the medical device.Type: GrantFiled: March 4, 2019Date of Patent: March 4, 2025Assignee: TOHOKU UNIVERSITYInventors: Matsuhiko Nishizawa, Shotaro Yoshida, Shinya Kusama
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Patent number: 12239908Abstract: An example computer readable storage medium having stored thereon an information processing program executable by a computer of an information processing device which presents information corresponding to a biological signal acquired from a user, is provided. The information processing program causes the computer to function as biological signal acquiring means, motion/attitude information acquiring means, and presentation means. The biological signal acquiring means acquires the biological signal from the user. The motion/attitude information acquiring means acquires information about a motion or an attitude of the user from detecting means, in association with the biological signal acquired by the biological signal acquiring means. The presentation means performs predetermined presentation based on both the biological signal acquired by the biological signal acquiring means and the information acquired by the motion/attitude information acquiring means.Type: GrantFiled: June 2, 2020Date of Patent: March 4, 2025Assignees: NINTENDO CO., LTD., TOHOKU UNIVERSITYInventors: Makoto Yoshizawa, Tomoyuki Yambe, Norihiro Sugita, Norikatsu Furuta
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Publication number: 20250071960Abstract: An electromagnetic interference suppressing material includes: a base material containing at least one selected from the group consisting of an organic substance and an inorganic substance; and a carbon composite material. The carbon composite material includes at least one selected from the group consisting of a core-shell particle and a core-shell connected body, where the core-shell particle includes an inorganic particle in which a surface of the inorganic particle is coated with a coating layer composed of graphene having an average number of layers of 4 or less, and the core-shell connected body includes a connected body of inorganic particles in which a surface of the connected body of inorganic particles is coated with a coating layer of graphene having an average number of layers of 4 or less, and the electromagnetic interference suppressing material has a volume resistance of 103 ?·cm or more.Type: ApplicationFiled: December 26, 2022Publication date: February 27, 2025Applicants: KYOCERA Corporation, TOHOKU UNIVERSITYInventors: Hirotomo NISHIHARA, Shigeyoshi YOSHIDA, Ken UCHIDA
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Patent number: 12236988Abstract: A magnetic multilayer film for a magnetic memory element includes an amorphous heavy metal layer having a multilayer structure in which a plurality of first layers containing Hf alternate repeatedly with a plurality of second layers containing a heavy metal excluding Hf; and a recording layer that includes a ferromagnetic layer and that is adjacent to the heavy metal layer, the ferromagnetic layer having a variable magnetization direction.Type: GrantFiled: July 8, 2022Date of Patent: February 25, 2025Assignee: TOHOKU UNIVERSITYInventors: Yoshiaki Saito, Tetsuo Endoh, Shoji Ikeda
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Patent number: 12215396Abstract: An iron-based alloy has excellent corrosion resistance and high strength and a method of manufacturing the iron-based alloy. The iron-based alloy includes Cr: 10 to 22 mass %, W: 1 to 12 mass %, and C: 0.1 to 2.3 mass %, with the remainder being unavoidable impurities and Fe, and is composed of a cast material having a structure composed mainly of austenite or a quenched material having a structure composed mainly of martensite and in which carbides are precipitated. The iron-based alloy may further include Cu: 0.5 to 6 mass % and/or Ni: 0.5 to 2.5 mass %, and may further include at least one of Al, Mo, and Si in an amount of 1 to 3 mass %.Type: GrantFiled: September 2, 2019Date of Patent: February 4, 2025Assignee: TOHOKU UNIVERSITYInventors: Kenta Yamanaka, Akihiko Chiba
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Publication number: 20250034751Abstract: Provided are a method of producing single crystal AlN, single crystal AlN, and a single crystal AlN production apparatus with which single crystal AlN can be cheaply and continuously produced. The method of producing single crystal AlN includes a melt formation step of heating and melting an alloy to form a melt of the alloy and a deposition step of cooling a portion of the melt and providing a temperature gradient in the melt while causing deposition of single crystal AlN. In the deposition step, a nitrogen-containing gas is brought into contact with a high-temperature portion of the melt and a single crystal AlN seed crystal or a substrate for crystal growth is held in a low-temperature portion of the melt so as to continue to take nitrogen into the melt in the high-temperature portion while causing deposition of single crystal AlN.Type: ApplicationFiled: February 20, 2023Publication date: January 30, 2025Applicants: TOHOKU UNIVERSITY, DOWA HOLDINGS Co., Ltd.Inventors: Hiroyuki FUKUYAMA, Makoto OHTSUKA, Masayoshi ADACHI, Rintaro MIYATA, Yasuhiro WATANABE
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Publication number: 20250031355Abstract: An electromagnetic interference suppressing material includes: a base material containing at least one selected from the group consisting of an organic substance and an inorganic substance; and a powder carbon material. The powder carbon material includes at least one selected from the group consisting of a first shell-shaped body and a second shell-shaped body, where the first shell-shaped body is a hollow particle having one pore or two or more pores, and the second shell-shaped body has a shape in which hollow particles are connected and has a plurality of pores, and a shell portion of the first shell-shaped body and the second shell-shaped body is made of graphene having an average number of layers of 4 or less.Type: ApplicationFiled: November 30, 2022Publication date: January 23, 2025Applicants: KYOCERA Corporation, Tohoku UniversityInventors: Hirotomo NISHIHARA, Shigeyoshi YOSHIDA, Ken UCHIDA
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Publication number: 20250031581Abstract: There is provided a stacked film that allows flowing a write current and achieves a high-density and/or high-speed memory and a magnetoresistive effect element using the stacked film. A magnetic stacked film 10 is formed of a three-layered structure that includes a first ferromagnetic layer 12, an antiferromagnetic coupling layer 10a provided on the first ferromagnetic layer 12, and a second ferromagnetic layer 16 provided on the antiferromagnetic coupling layer 10a. The antiferromagnetic coupling layer 10a includes a first non-magnetic layer 13, an interlayer coupling layer 14, and a second non-magnetic layer 15. The interlayer coupling layer 14 is selected from a metal or an alloy including at least any one of Ir, Ru, and Rh. The first non-magnetic layer 13 and the second non-magnetic layer 15 are selected from a metal or an alloy including Pt.Type: ApplicationFiled: June 15, 2022Publication date: January 23, 2025Applicant: TOHOKU UNIVERSITYInventors: Yoshiaki Saito, Tetsuo Endoh, Shoji Ikeda
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Patent number: 12203922Abstract: An electrochemical measurement apparatus includes: a tank containing electrolytic solution and a sample that generates or consumes measurement target substances in the electrolytic solution; a plurality of uniformly mixed working electrodes; and a counter electrode; the apparatus adapted to simultaneously apply a voltage between each of the working electrodes and the counter electrode; and the apparatus configured to measure a current that flows between each of the working electrodes and the counter electrode; wherein any two working electrode groups are mutually different in at least any of the determined voltage, presence/absence of a molecular modification of an electrode surface, and a species of the molecular modification; and whereby a distribution in measurement area of the currents that flow through the working electrodes is acquired.Type: GrantFiled: September 21, 2020Date of Patent: January 21, 2025Assignees: TOHOKU UNIVERSITY, JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Kosuke Ino, Yusuke Kanno, Tomokazu Matsue, Kumi Inoue, Ryota Kunikata, Hiroyuki Hayashi, Atsushi Suda
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Patent number: 12195169Abstract: A raised structure for reducing frictional drag due to viscosity of a flow toward an object in a direction defining an acute angle with a leading edge of the object. The raised structure includes raised bodies configured to be provided on a surface of the object at the leading edge on a downstream side of a stagnation point of the flow. A height of each raised body changes along a convex curve, and the raised bodies are arranged in an array to define a first uneven shape changing periodically in a first cross section configured to have a constant distance from the stagnation point and be orthogonal to the surface, and a second uneven shape changing in a second cross section configured to be orthogonal to a line composed of the stagnation point and the first cross section, the second uneven shape having concave and convex portions that change periodically.Type: GrantFiled: March 18, 2020Date of Patent: January 14, 2025Assignees: TOHOKU UNIVERSITY, JAPAN AEROSPACE EXPLORATION AGENCY, MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Makoto Hirota, Yuji Hattori, Yuki Ide, Hikaru Takami, Minoru Yoshimoto
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Publication number: 20250013305Abstract: A tactile transmission system (100) including a tactile transmission device (3) and a different tactile transmission device (3) includes a vibration measurement unit (31) that measures a vibration generated at the tactile transmission device (3), a calculation unit that calculates perception information specified from the vibration measured by the vibration measurement unit (31), a conversion unit that converts a signal related to the vibration into a predetermined frequency while maintaining the perception information calculated by the calculation unit, and a signal output unit that causes a vibrator (32) of the different tactile transmission device (3) to output a converted signal converted by the conversion unit as an output vibration.Type: ApplicationFiled: June 4, 2021Publication date: January 9, 2025Applicant: TOHOKU UNIVERSITYInventors: Masashi KONYO, Kosuke YAMAGUCHI, Satoshi TADOKORO
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Publication number: 20250013552Abstract: An information processing system includes circuitry configured to control display of a visual field evaluation screen including a first, a second and a third objects, the first object being displayed in a first region set in a central portion of a display screen, the second object moving in at least a part of the first region, and the third object being displayed in at least a part of a second region for a predetermined time, perform a first determination to determine whether a positional relationship between the first and the second objects satisfies a predetermined condition in response to a first manipulation input from a user, perform a second determination to determine a second manipulation input from the user while the third object is being displayed in the second region, and generate evaluation information for a visual field of the user based on the first and the second determination.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Applicants: SENDAI TELEVISION INCORPORATED, TOHOKU UNIVERSITYInventors: Toru NAKAZAWA, Takeshi YABANA, Hiroshi KURAUCHI, Shigeru OTA, Shinichiro UMEMORI, Ryoko NAKAITA
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Publication number: 20250001376Abstract: A computer-implemented method of determining a degree of mixing of particles of interest includes, for determining the degree of mixing of the particles of interest from a mixture containing the particles of interest, calculating and determining a size to be sampled from the mixture based on a relationship formula between a total size of the mixture and a size per particle of interest.Type: ApplicationFiled: September 13, 2024Publication date: January 2, 2025Applicant: TOHOKU UNIVERSITYInventors: Kizuku KUSHIMOTO, Junya KANO
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Publication number: 20240420321Abstract: A non-transitory computer readable storage medium encoded with computer readable biological image processing instruction, which, when executed by processor circuitry, cause the processor circuitry to perform segmentation of a biological image to perform: reducing a size of the biological image that has been input and extracting a feature point, by adding an attention block for averaging channels to a convolution block of the biological image; and outputting information relating to a feature image obtained by segmenting the biological image including the extracted feature point, by contracting the channels in a state in which the attention block has been added to the convolution block.Type: ApplicationFiled: October 13, 2021Publication date: December 19, 2024Applicant: TOHOKU UNIVERSITYInventors: Toru NAKAZAWA, Parmanand SHARMA
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Patent number: 12168302Abstract: A grasping device includes: a grasping part module including a first surface and a second surface and configured to grasp an object between the first surface and the second surface; an arm part configured to change a position of the grasping part module; an imaging unit provided at a position that moves together with the grasping part module and configured to capture an image of at least a part of the object; and a control unit configured to control, based on specified amount information indicating a contact state in a case where a specified amount of the object and the first surface are in contact with each other, and information indicating a contact state captured by the imaging unit, at least one of the grasping part module and the arm part such that an amount of the object that is grasped approaches the specified amount.Type: GrantFiled: December 16, 2019Date of Patent: December 17, 2024Assignee: TOHOKU UNIVERSITYInventor: Akihiko Yamaguchi
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Publication number: 20240407315Abstract: A plant disease resistance inducing method and a plant disease resistance inducing device, as well as a plant disease resistance inducing agent, which can induce a systemic resistance without inhibiting the plant growth in a relatively easy and inexpensive manner and with little environmental loads. A plant is exposed to a gas containing dinitrogen pentoxide to induce the disease resistance. It is particularly preferable that dinitrogen pentoxide is produced using a plasma generated with air as a source gas, and a plant is exposed to a gas containing dinitrogen pentoxide.Type: ApplicationFiled: October 11, 2021Publication date: December 12, 2024Applicant: TOHOKU UNIVERSITYInventors: Toshiro KANEKO, Keisuke TAKASHIMA, Shota SASAKI, Hideki TAKAHASHI, Sugihiro ANDO, Atsushi HIGASHITANI, Yasukazu DAIGAKU
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Patent number: 12163990Abstract: A probe configured to measure the magnetic permeability of a magnetic body includes a first signal conductor and a second signal conductor that form a pair of signal conductors, the first and second signal conductors being a signal transmission path, and tip ends of the first and second signal conductors being disposed away from a surface of the magnetic body by a predetermined gap length and at a predetermined interval from each other; a linear conductor that electrically connects the tip ends of the first and second signal conductors and that extends between the tip ends; and a first ground conductor and a second ground conductor that form a pair of ground conductors disposed in the vicinity of the pair of signal conductors, tip ends of the first and second ground conductor being in contact with the surface of the magnetic body.Type: GrantFiled: September 29, 2022Date of Patent: December 10, 2024Assignee: TOHOKU UNIVERSITYInventors: Shin Yabukami, Kazuhiko Okita
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Publication number: 20240401087Abstract: The present disclosure aims to provide a method for producing a trans-polyisoprenoid (trans-1,4-polyisoprene) with a molecular weight of more than 105 in an enzymatic manner. The present disclosure relate to a method for producing a trans-polyisoprenoid, which includes binding to a lipid membrane in vitro a trans-prenyltransferase (tPT) family protein capable of producing a product with a molecular weight of 104 or more when not bound to any lipid membrane.Type: ApplicationFiled: August 19, 2022Publication date: December 5, 2024Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., TOHOKU UNIVERSITYInventors: Haruhiko YAMAGUCHI, Yukino MIYAGI INOUE, Toru NAKAYAMA, Seiji TAKAHASHI
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Patent number: 12159668Abstract: A magneto-optical memory interface includes: a memory cell structure having multiple allocated magnetic recording cells, a selection means configured to select an individual or a predetermined number of the multiple allocated magnetic recording cells of the memory structure, and configured for an electronic signal to be applicable thereto; and a light irradiation part configured to irradiate the predetermined number of the multiple allocated magnetic memory cells with an optical signal, wherein each of the magnetic recording cells is a magnetic recording cell whose sensitivity to changes in a magnetization state thereof increases in response to an irradiation light from the light irradiation part, and each of the magnetic recording cells is a magnetic recording cell whose magnetization state changes in response to an applied electrical signal resulting from selection by the selection means and the irradiation light from the light irradiation part.Type: GrantFiled: September 30, 2020Date of Patent: December 3, 2024Assignees: Tohoku University, National Institutes for Quantum Science and TechnologyInventors: Shigemi Mizukami, Shunsuke Fukami, Junsaku Nitta, Satoshi Iihama, Yoshiro Hirayama, Seiji Sakai