Patents Assigned to Tokyo Institute of Technology
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Patent number: 12289997Abstract: The thermoelectric module includes a first thermoelectric element including a first thermoelectric conversion layer and a first electrolyte layer stacked each other along a stacked direction, a second thermoelectric element stacking the first thermoelectric element in the stacked direction and including a second thermoelectric conversion layer and a second electrolyte layer stacked each other along the stacked direction, a first current collector located on a side of one edge in the stacked direction, a second current collector located on a side of another edge in the stacked direction, and an electron transmission layer located between the first thermoelectric element and the second thermoelectric element in the stacked direction.Type: GrantFiled: June 17, 2020Date of Patent: April 29, 2025Assignees: Sanoh Industrial Co., Ltd., TOKYO INSTITUTE OF TECHNOLOGYInventors: Biao Mei, Naoya Goto, Masaki Takeuchi, Sachiko Matsushita
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Patent number: 12289998Abstract: A thermoelectric cell includes a thermoelectric body including heat-utilizing power generating elements in each of which a thermoelectric conversion layer and a solid electrolyte layer are layered, and converting thermal energy into electrical energy, a conductive case including a first case body and a second case body which are combined in an insulated state and accommodating the thermoelectric body, an insulating member electrically insulating the first case body or the second case body and the solid electrolyte layer on a side surface of the thermoelectric body while electrically insulating the first case body and the second case body, and a compressible conductor accommodated in the case and compressed by being sandwiched between the thermoelectric body and the case. The first case body, the thermoelectric body, and the second case body are electrically connected in a stacked direction.Type: GrantFiled: June 14, 2023Date of Patent: April 29, 2025Assignees: Sanoh Industrial Co., Ltd., TOKYO INSTITUTE OF TECHNOLOGYInventors: Biao Mei, Sachiko Matsushita
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Patent number: 12275749Abstract: A rotaxane compound comprising one or more cyclic molecules and an axial molecule penetrating through inner holes of the cyclic molecules and having cap structures disposed lest the cyclic molecules should be detached, where one of the cyclic molecule and the axial molecule has one of a functional group being capable of reacting with silica and a functional group being capable of reacting with a carbon-carbon unsaturated bond, and the other of the cyclic molecule and the axial molecule has the other of the functional group being capable of reacting with silica and the functional group being capable of reacting with a carbon-carbon unsaturated bond.Type: GrantFiled: April 25, 2019Date of Patent: April 15, 2025Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., TOKYO INSTITUTE OF TECHNOLOGYInventors: Shoko Nakahata, Toshikazu Takata, Toyokazu Tsutsuba
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Publication number: 20250112232Abstract: A cathode active material in the present disclosure has a monoclinic crystal structure that belongs to a space group C2/m, and has a composition shown as a composition formula: AxMn1-yBiyO2·zH2O (A: one or both of Na and K, 0<x<1, 0<y<1, 0<z<2).Type: ApplicationFiled: September 27, 2024Publication date: April 3, 2025Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOKYO INSTITUTE OF TECHNOLOGYInventors: Hiroshi SUYAMA, Shigeki SATO, Hajime ARAI, Atsunori IKEZAWA
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Patent number: 12264494Abstract: There is provided a conveying device that can support a car weight with a mechanism lighter in weight. A driving device (6) of a conveying device that lifts and lowers a loading-weight support along a rail (3) includes a wheel unit (13) and a link (14). The wheel unit (13) drives to rotate a driving wheel (15) in contact with a guide surface (11) to lift and lower the loading-weight support. The link (14) includes a first joint (17) connected to the wheel unit (13) and a second joint (18) rotatably supported by the loading-weight support. The second joint (18) is arranged in a position further apart from the guide surface (11) than the first joint (17), and above the first joint (17). The link (14) is arranged such that a straight line connecting the first joint (17) and the second joint (18) is tilted smaller than 45 degrees.Type: GrantFiled: August 27, 2019Date of Patent: April 1, 2025Assignees: MITSUBISHI ELECTRIC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Yusuke Sugahara, Yukio Takeda, Daisuke Matsuura, Takahiro Ishii, Takeshi Matsumoto, Masayuki Kakio, Daisuke Nakazawa
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Patent number: 12259244Abstract: An adjuster performs simultaneous irradiation of M laser beams to an atomic beam, where M is a predetermined integer satisfying 3?M. The course of each of the M laser beams intersects with an approach path of the atomic beam. A component, in a direction perpendicular to the approach path of the atomic beam, of the sum of radiation pressure vectors that the M laser beams respectively have is non-zero. A component, in a direction of the approach path of the atomic beam, of the sum of the radiation pressure vectors that the M laser beams respectively have is negative for atoms having speeds greater than the predetermined speed, and positive for the atoms having speeds smaller than the predetermined speed.Type: GrantFiled: July 12, 2021Date of Patent: March 25, 2025Assignees: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED, TOKYO INSTITUTE OF TECHNOLOGYInventors: Kento Taniguchi, Ryotaro Inoue, Mikio Kozuma, Atsushi Tanaka
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Publication number: 20250091257Abstract: To suppress damage to recycled carbon fibers (deterioration of the recycled carbon fibers), the present disclosure includes a first treatment step of immersing carbon fiber reinforced plastic in an acidic aqueous solution to dissolve at least a part of resin content of the carbon fiber reinforced plastic and a second treatment step of immersing a treated product subjected to the first treatment step in an alkaline aqueous solution having foaming properties to dissolve at least a part of resin content of the treated product.Type: ApplicationFiled: September 18, 2024Publication date: March 20, 2025Applicants: NISSAN MOTOR CO., LTD., TOKYO INSTITUTE OF TECHNOLOGYInventors: Asuka SAKAI, Masatoshi KUBOUCHI, Winarto KURNIAWAN
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Patent number: 12241745Abstract: A vertical deflection estimation device usable for inertial navigation includes: a gravity gradiometer (10), a known vertical deflection library part (20), a high frequency extraction part (30), and an estimation part (40). The gravity gradiometer (10) measures vertical deflection in accordance with positional movement of the gravity gradiometer (10). The known vertical deflection library part obtains known coarse information of vertical deflection on map in accordance with the positional movement of the gravity gradiometer (10). The high frequency extraction part (20) extracts, from the measured vertical deflection, a high spatial frequency component of the measured vertical deflection. The estimation part (40) corrects the measured vertical deflection to derive estimated vertical deflection as highly accurate vertical deflection by combining the known coarse information of vertical deflection on map with the extracted high spatial frequency component of the measured vertical deflection.Type: GrantFiled: April 12, 2021Date of Patent: March 4, 2025Assignee: TOKYO INSTITUTE OF TECHNOLOGYInventor: Mikio Kozuma
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Patent number: 12241103Abstract: Provided is a novel production system that does not involve, or can minimize, the transport of liquid ammonia in the production of an organic compound or the production of a microorganism by microbial fermentation. A production system for an organic compound or a microorganism includes: an ammonia synthesis apparatus in which an ammonia-containing gas is synthesized by reaction of a source gas containing hydrogen and nitrogen in the presence of a supported ruthenium catalyst; and a culture apparatus that cultures a microorganism having organic compound productivity using ammonia originating from the ammonia-containing gas obtained by using the ammonia synthesis apparatus.Type: GrantFiled: September 14, 2020Date of Patent: March 4, 2025Assignees: Ajinomoto Co., Inc., Tokyo Institute of TechnologyInventors: Mitsuhiro Kishino, Hiroyuki Kojima, Hideo Hosono, Michikazu Hara, Masaaki Kitano, Toshiharu Yokoyama, Toru Numaguchi, Munenobu Ito, Kazuteru Yamada, Hiromi Noguchi
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Patent number: 12239713Abstract: The invention provides a bio-related substance bonded to a high-molecular-weight polyethylene glycol derivative that does not cause vacuolation of cells. The bio-related substance bonded to a degradable polyethylene glycol derivative is represented by the formula (A): wherein m is 1-7, n1 and n2 are each independently 45-682, p is 1-4, R is an alkyl group having 1-4 carbon atoms, Z is an oligopeptide with 2-8 residues composed of neutral amino acids excluding cysteine, Q is a residue of a compound having 2-5 active hydrogens, D is the bio-related substance, L1, L2, L3, L4 and L5 are each independently a single bond or a divalent spacer, and y is 1-40.Type: GrantFiled: March 29, 2019Date of Patent: March 4, 2025Assignees: NOF CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Hiroki Yoshioka, Masaki Kamiya, Yuji Yamamoto, Midori Hirai, Akiko Sasaki, Nobuhiro Nishiyama, Makoto Matsui, Hiroyasu Takemoto, Kazuki Miyauchi, Takahiro Nomoto, Keishiro Tomoda
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Patent number: 12221683Abstract: A titanium aluminide alloy material for hot forging has a chemical composition including, by atom, aluminum of 38.0% or greater and 39.9% or less, niobium of 3.0% or greater and 5.0% or less, vanadium of 3.0% or greater and 4.0% or less, carbon of 0.05% or greater and 0.15% or less, and titanium and an inevitable impurity as a residue.Type: GrantFiled: September 15, 2021Date of Patent: February 11, 2025Assignees: IHI Corporation, TOKYO INSTITUTE OF TECHNOLOGYInventors: Keiji Kubushiro, Yutaro Ota, Shin Usui, Masao Takeyama, Hirotoyo Nakashima
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Publication number: 20250044099Abstract: An inertial sensor includes a dual atom interferometer. A moving standing light wave generation device in the dual atom interferometer generates M (3?M) moving standing light waves. Each of the M moving standing light waves is generated by a pair of counter-propagating laser beams. The moving standing light wave generation device adjusts two-photon detuning of a pair of counter-propagating laser beams corresponding to each of N (2?N<M) moving standing light waves out of the M moving standing light waves such that the difference between an interferometric phase corresponding to one atomic beam obtained by interfering with the M moving standing light waves and an interferometric phase corresponding to the other atomic beam obtained by interfering with the M moving standing light waves stays constant.Type: ApplicationFiled: June 28, 2024Publication date: February 6, 2025Applicants: TOKYO INSTITUTE OF TECHNOLOGY, JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Mikio KOZUMA, Tomoya SATO, Takuya KAWASAKI, Naoki NISHIMURA, Toshiyuki HOSOYA, Atsushi TANAKA
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Publication number: 20250034798Abstract: A modified carbon fiber includes carbon atoms in which a proportion of carbon atoms to which a functional group containing at least one of an oxygen atom and a nitrogen atom is bonded are 55.5 atomic % or more and 68.0 atomic % or less, when a total of carbon atoms present on a surface of the carbon fiber and a surface of an internal void inside the carbon fiber is 100 atomic %.Type: ApplicationFiled: July 25, 2024Publication date: January 30, 2025Applicants: NISSAN MOTOR CO., LTD., TOKYO INSTITUTE OF TECHNOLOGYInventors: Asuka SAKAI, Masatoshi KUBOUCHI, Winarto KURNIAWAN
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Patent number: 12209062Abstract: The present invention provides a compound represented by formula (I) wherein symbols in the formula are as defined in the specification.Type: GrantFiled: November 25, 2020Date of Patent: January 28, 2025Assignees: TOKYO INSTITUTE OF TECHNOLOGY, DAIKIN INDUSTRIES, LTD.Inventors: Toshikazu Takata, Hiromitsu Sogawa, Tadashi Kanbara, Tsuyoshi Noguchi
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Publication number: 20250025842Abstract: A membrane and a composite membrane with excellent durability, which enable the manufacture of a water electrolysis device with high water electrolysis performance, a membrane electrode assembly and a water electrolysis device including the membrane are provided. The membrane includes a fluoro compound having an ionic group, has OH? ion conductivity, and has a conductivity of more than 2×10?2 S/cm.Type: ApplicationFiled: November 11, 2022Publication date: January 23, 2025Applicants: TOKYO INSTITUTE OF TECHNOLOGY, ASAHI KASEI KABUSHIKI KAISHAInventors: Takeo YAMAGUCHI, Sreekanth NARAYANARU, Anilkumar G.M., Rajith ILLATHVALAPPIL
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Publication number: 20250027770Abstract: An atomic beam is quantum-mechanically collimated. The atomic beam is irradiated with a pumping laser beam and a filtering laser beam in this order. The pumping laser beam has a wavelength corresponding to a transition between a ground state and an excited state of atoms in the atomic beam. Irradiation with the pumping laser beam causes atoms to make transition from the ground state to the excited state and further relax from the excited state to a metastable state. The filtering laser beam has a wavelength corresponding to a transition between the ground state and the metastable state. By irradiating the filtering laser beam, atoms in the metastable state having velocity components equal to or smaller than a predetermined velocity component ?v in a traveling direction of the filtering laser beam are caused to make transition to the ground state.Type: ApplicationFiled: June 14, 2024Publication date: January 23, 2025Applicants: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED, TOKYO INSTITUTE OF TECHNOLOGYInventors: Mikio KOZUMA, Ryotaro INOUE, Tomoya SATO, Atsushi TANAKA, Toshiyuki HOSOYA
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Patent number: 12195709Abstract: A co-culture apparatus includes: a first airtight container; a co-culture device disposed outside of the first airtight container; a first culture medium source disposed in the first airtight container and storing a first culture medium; a second culture medium source storing a second culture medium having a lower dissolved oxygen concentration than that of the first culture medium; and a first conduit connected to the co-culture device and the first culture medium source. The co-culture device includes: a membrane having a first main surface, and a second main surface opposite to the first main surface for culturing cells; a first flow path partially defined by the first main surface and disposed such that the first culture medium flows therethrough; and a second flow path partially defined by the second main surface and disposed such that the second culture medium flows therethrough. The first flow path has an inlet connected to the first conduit.Type: GrantFiled: February 24, 2022Date of Patent: January 14, 2025Assignees: SHIMADZU CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Yoichi Fujiyama, Yoh-ichi Tagawa
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Patent number: 12187846Abstract: The invention provides a high-molecular-weight polyethylene glycol derivative that does not cause vacuolation of cells. The degradable polyethylene glycol derivative is represented by the following formula (1): wherein m is 1-7, n1 and n2 are each independently 45-682, p is 1-4, R is an alkyl group having 1-4 carbon atoms, Z is an oligopeptide with 2-8 residues composed of neutral amino acids excluding cysteine, Q is a residue of a compound having 2-5 active hydrogens, X is a functional group capable of reacting with a bio-related substance, and L1, L2, L3, L4 and L5 are each independently a single bond or a divalent spacer.Type: GrantFiled: March 29, 2019Date of Patent: January 7, 2025Assignees: NOF Corporation, Tokyo Institute of TechnologyInventors: Hiroki Yoshioka, Masaki Kamiya, Yuji Yamamoto, Midori Hirai, Akiko Sasaki, Nobuhiro Nishiyama, Makoto Matsui, Hiroyasu Takemoto, Kazuki Miyauchi, Takahiro Nomoto, Keishiro Tomoda
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Publication number: 20240428820Abstract: The present disclosure generally relates to a magnetic recording head comprising a read head. The read head comprises a first sensor disposed at a media facing surface (MFS) comprising at least one free layer, a second sensor disposed at the MFS comprising at least one free layer, a first spin generator spaced from the first sensor and recessed from the MFS, and a second spin generator spaced from the second sensor and recessed from the MFS. The first and second spin generators each individually comprises at least one spin orbit torque (SOT) layer. The SOT layer may comprise BiSb. The first and second sensors are configured to detect a read signal using a first voltage lead and a second voltage lead. The first and second spin generators are configured to inject spin current through non-magnetic layers to the first and second sensors using a plurality of current leads.Type: ApplicationFiled: September 13, 2023Publication date: December 26, 2024Applicants: Western Digital Technologies, Inc., Tokyo Institute of TechnologyInventors: Quang LE, Xiaoyong LIU, Brian R. YORK, Cherngye HWANG, Son T. LE, Hisashi TAKANO, Fan TUO, Hassan OSMAN, Nam Hai PHAM
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Publication number: 20240420732Abstract: The present disclosure generally relates to a magnetic recording head comprising a read head. The read head comprises a sensor disposed at a media facing surface (MFS) and a spin generator spaced from the sensor and recessed from the MFS. The sensor and spin generators are disposed on a non-magnetic layer. The sensor comprises a free layer and the spin generator comprises at least one spin orbit torque (SOT) layer. The SOT layer may comprise topological material such as BiSb. The sensor is configured to detect a read signal using a first voltage lead and a second voltage lead. The spin generator is configured to inject spin current through the non-magnetic layer to the sensor using a first current lead and a second current lead. The shape of the non-magnetic layer is a triangular or trapezoidal shape to further concentrate spin current.Type: ApplicationFiled: September 13, 2023Publication date: December 19, 2024Applicants: Western Digital Technologies, Inc., Tokyo Institute of TechnologyInventors: Quang LE, Xiaoyong LIU, Brian R. YORK, Cherngye HWANG, Son T. LE, Hisashi TAKANO, Fan TUO, Hassan OSMAN, Nam Hai PHAM