Patents by Inventor Kenji Tanaka
Kenji Tanaka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240304833Abstract: A fuel cell stack including a cell stacked body, an exhaust gas flow path penetrating the cell stacked body in a predetermined direction so as to discharge a reaction gas supplied to a plurality of power generation cells, and a communicating tube disposed in the exhaust gas flow path so as to communicate with an upstream side and a downstream side of the exhaust gas flow path respectively through a first opening and a second opening of the communicating tube. The exhaust gas flow path includes a reduced diameter portion configured to gradually decrease a flow path area toward an outlet of the exhaust gas flow path, and the second opening communicates with the exhaust gas flow paths between an end on a small diameter side of the reduced diameter portion and the outlet of the exhaust gas flow path.Type: ApplicationFiled: February 26, 2024Publication date: September 12, 2024Inventors: Kenji Nagumo, Naoki Tanaka, Kensuke Umezawa, Fumiya Arai
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Publication number: 20240301581Abstract: An object of the present invention is to provide a technique for improving the lightfastness of a dyed anodic oxide film of aluminum or an aluminum alloy. Provided are a Lightfastness improver for a dyed anodic oxide film of aluminum or an aluminum alloy, and a method for improving the Lightfastness of the film.Type: ApplicationFiled: March 3, 2022Publication date: September 12, 2024Applicant: OKUNO CHEMICAL INDUSTRIES CO., LTD.Inventors: Tomo Moriguchi, Ayumi Hongo, Toku Yasuda, Kentaro Hirai, Katsuyuki Tanaka, Kenji Hara
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Patent number: 12085150Abstract: A toroidal continuously variable transmission including a power roller; a support supporting the power roller rotatably; a thrust bearing receiving a load of the power roller in a direction along a rotating axis; and an oil passage supplying lubricating oil to the thrust bearing. A surface of the power roller opposing the support includes a first bearing grooved and the support opposing the power roller includes a second bearing groove. A virtual axis of a discharge port in the oil passage reaches a bearing groove that is one of the first bearing groove and the second bearing groove. Viewed from a direction perpendicular to the rotation axis, a portion of a retainer located at a radially inner side of a retaining hole of the retainer and a portion located at a radially inner side of the bearing groove are located at sides opposite to each other across the virtual axis.Type: GrantFiled: December 18, 2020Date of Patent: September 10, 2024Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kenji Komatsu, Hideyuki Imai, Hidenori Arisawa, Yuji Shinoda, Mitsuaki Tanaka, Yoshiyuki Noguchi
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Publication number: 20240276721Abstract: According to one embodiment, a semiconductor memory device includes a plurality of conductor layers including a first conductor layer as an uppermost layer; a plurality of memory pillars penetrating the conductor layers; and a member that includes a first portion extending in the conductor layers and a plurality of second portions RT provided apart from each other on the uppermost layer side of the conductor layers, and divides the conductor layers in a direction in a substrate surface; wherein a lower surface of the second portion is located below an upper surface of the first conductor layer, and an upper surface of the second portion is wider in a width in the direction, than the lower surface of the second portion and than the first portion.Type: ApplicationFiled: February 13, 2024Publication date: August 15, 2024Applicant: Kioxia CorporationInventors: Kohei DATE, Kenji AOYAMA, Keisuke SUDA, Minami TANAKA, Satoshi NAGASHIMA
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Publication number: 20240268766Abstract: A blood-pressure-measuring device includes: a feature amount acquisition unit that acquires one or more feature amounts related to estimation of a blood pressure value of a human body; a blood pressure value calculation unit that calculates an estimated blood pressure value based on the feature amount; an actually measured blood pressure value acquisition unit that acquires an actually measured blood pressure value measured by a method different from the calculation by the blood pressure value calculation unit; a calibration determination unit that determines whether or not the feature amount acquired by the feature amount acquisition unit deviates from a predetermined reference value, the calibration determination unit determining to acquire the actually measured blood pressure value when the calibration determination unit has determined that the feature amount deviates; and a calibration processing unit that estimates blood pressure value.Type: ApplicationFiled: February 15, 2024Publication date: August 15, 2024Inventors: Yasuhiro KAWABATA, Kenji FUJII, Naomi MATSUMURA, Akito ITO, Yuki SAKAGUCHI, Takahide TANAKA
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Publication number: 20240272872Abstract: A computing system includes a first computer for writing an arithmetic circuit in a reconfigurable first region included in a first accelerator and a second computer for writing the arithmetic circuit in a reconfigurable second region included in a second accelerator different from the first accelerator and having the same circuit arrangement as the first region. When the first computer writes a new arithmetic circuit in the first region, the second computer writes the new arithmetic circuit in a partial region of the second region at the same position as the unwritten partial region of the first region. The first computer does not write the new arithmetic circuit in the first region when the new arithmetic circuit is not normally written, and writes the new arithmetic circuit in the unwritten partial region of the first region when the new arithmetic circuit is normally written.Type: ApplicationFiled: June 21, 2021Publication date: August 15, 2024Inventors: Tsuyoshi Ito, Yuki Arikawa, Tsutomu Takeya, Kenji Tanaka
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Publication number: 20240269792Abstract: A cutting machining apparatus 1 includes: a head 5 including a spindle drive 51 that rotary drives a rotary spindle with a tool 20 secured to a tip of the rotary spindle; a proximity sensor 34; a signal acquirer obtaining a signal waveform of a detection signal that is output from the proximity sensor 34 when the rotary spindle 52 is rotated in a state in which the head 5 is moved so that the proximity sensor 34 faces a lateral side of the tool before and after cutting machining of the workpiece W using the tool; and a determiner determining whether or not the tool 20 is broken based on whether or not there is a difference in signal waveforms obtained before and after the cutting machining.Type: ApplicationFiled: June 15, 2023Publication date: August 15, 2024Inventors: Kenji Inoue, Chiori Mochizuki, Hidekazu Tsuji, Koji Tanaka
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Patent number: 12060925Abstract: A toroidal continuously variable transmission includes a rotating shaft, a pair of discs, at least one power roller, and at least one bearing arranged between the rotating shaft and a casing. At least one of the pair of discs includes: a disc main body including a concave surface opposed to the power roller; and a cylindrical portion projecting from the disc main body along the rotation axis toward an opposite side of the power roller. The cylindrical portion is inserted between the bearing and the rotating shaft.Type: GrantFiled: October 6, 2020Date of Patent: August 13, 2024Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kenji Komatsu, Hideyuki Imai, Kenichiro Tanaka, Kippei Matsuda
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Publication number: 20240261970Abstract: A jig positioning system includes a robot arm and a control unit. The robot arm grips an assembly jig designed to be positioned on an assembly table. The control unit controls motion of the robot arm. The control unit causes the robot arm: to grip one or more assembly jigs including the assembly jig that are to be selected in sequence for assembly components; and to adjust position and orientation of each of the one or more assembly jigs in accordance with shapes of the assembly components in course of positioning of the assembly jigs on the one or more assembly table.Type: ApplicationFiled: February 2, 2024Publication date: August 8, 2024Applicant: SUBARU CORPORATIONInventors: Kenji MURAI, Kenji SAITO, Tomohiro MIYAUCHI, Yudai MIYAWAKI, Yohei MATSUMOTO, Kaito TANAKA
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Patent number: 12057012Abstract: A mobile object monitoring system including a terminal unit installed in a vehicle and a monitoring unit configured to monitor an unknown mobile object around the vehicle. The terminal unit includes: an information acquisition component that acquires unknown mobile object information including information on presence or absence of an unknown mobile object; a determination component that determines presence or absence of an unknown mobile object regarding a blind spot; a time-of-absence information generation component that generates a time-of-absence information set concerning an unknown mobile object that includes absence information of an unknown mobile object in the blind spot and time information on a time of determination; and a communication component that transmits the time-of-absence information set.Type: GrantFiled: March 12, 2021Date of Patent: August 6, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Shigeru Inoue, Hideki Matsunaga, Masamitsu Tsuchiya, Kenji Komori, Takahiro Kurehashi, Hiroki Tanaka
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Patent number: 12058477Abstract: A transmission terminal transmits video data and display data of a screen shared with another transmission terminal to the other transmission terminal via a predetermined relay apparatus. The transmission terminal includes a storage unit that stores relay apparatus information of the relay apparatus to which the transmission terminal transmits the video data; a receive unit that receives the display data from an external input apparatus connected to the transmission terminal; and a transmitting unit that transmits the display data received by the receive unit to the relay apparatus indicated by the relay apparatus information stored in the storage unit.Type: GrantFiled: December 15, 2022Date of Patent: August 6, 2024Assignee: RICOH COMPANY, LTD.Inventors: Kenji Tanaka, Alain Volmat, Masaki Nakagawa, Takahiro Asai
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Patent number: 12056082Abstract: Each NIC performs an aggregation calculation of data output from each processor in a normal order including a head NIC located at a head position of a first pipeline connection, an intermediate NIC located at an intermediate position, and a tail NIC located at a tail position, and when the aggregation calculation in the tail NIC is completed, each NIC starts distribution of an obtained aggregation result, distributes the aggregation result in a reverse order including the tail NIC, the intermediate NIC, and the head NIC, and outputs the aggregation result to the processor of the communication interface.Type: GrantFiled: November 11, 2020Date of Patent: August 6, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Kenji Tanaka, Tsuyoshi Ito, Yuki Arikawa, Tsutomu Takeya, Kazuhiko Terada, Takeshi Sakamoto
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Publication number: 20240255589Abstract: A magnetic sensor comprises a die pad, a first and second magnetoelectric conversion units, and a signal processing unit which processes signals output from the first and second magnetoelectric conversion unit. The die pad includes a first frame portion including a fifth and sixth frame portions, a second frame portion including a seventh and eighth frame portions, a third frame portion, a fourth frame portion, and a coupling portion. At least one of the third, fifth, or seventh frame portions has a first gap which reaches to a first space portion surrounded by the coupling portion, and the third, fifth, and seventh frame portions from an outer edge, and at least one of the fourth, sixth, or eighth frame portions has a second gap which reaches to a second space portion surrounded by the coupling portion, and the fourth, sixth, and eighth frame portions from an outer edge.Type: ApplicationFiled: January 25, 2024Publication date: August 1, 2024Inventors: Ken TANAKA, Kenji KAI, Masaki YUZAWA
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Publication number: 20240254911Abstract: A cooling device of a vehicle is provided, which includes a transmission, a first coolant circuit where a first coolant which cools the internal combustion engine circulates, a second coolant circuit independent from the first coolant circuit, where a second coolant which cools the electric drive system circulates, and a fluid circuit where fluid which lubricates and cools friction engagement elements in the transmission circulates. The fluid circuit includes a first heat exchanger which exchanges heat between the fluid and the first coolant, a second heat exchanger in-series with the first heat exchanger which exchanges heat between the fluid and the second coolant, a first adjuster which changes a flow rate of the fluid passing through the first heat exchanger, and a second adjuster which changes a flow rate of the fluid passing through the second heat exchanger.Type: ApplicationFiled: January 11, 2024Publication date: August 1, 2024Inventors: Keitaro Kageyama, Shinichi Hikitani, Tomohiro Koguchi, Yukio Jo, Daisuke Shimo, Masahiro Miyazaki, Daisuke Fukuda, Akira Tsuda, Kenji Tanaka, Kazufumi Kumakura, Hiroaki Gotan, Takahiro Okazaki, Kenta Honda, Yoshie Kakuda, Toshiaki Tohoda, Kenta Kobayashi, Aki Murai, Michiyuki Miura, Yusaku Takahashi, Masaki Yamamoto
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Patent number: 12050484Abstract: A clock generation circuit includes a mode-locked laser that generates an optical pulse, a photodiode that photoelectrically converts the optical pulse generated by the mode-locked laser, and a filter that attenuates at least one of a DC component and a harmonic component of the mode-locked laser included in an electric signal output from the photodiode.Type: GrantFiled: April 17, 2019Date of Patent: July 30, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Kenji Tanaka, Naoki Miura, Shinsuke Nakano, Hideyuki Nosaka
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Patent number: 12045183Abstract: A distributed processing node includes a computing device that calculates gradient data of a loss function from an output result obtained by inputting learning data to a learning target model, an interconnect device that aggregates gradient data between the distributed processing node and other distributed processing nodes, a computing function unit that is provided in a bus device and performs processing of gradient data from the computing device, and a DMA controller that controls DMA transfer of gradient data between the computing device and the bus device and DMA transfer of gradient data between the bus device and the interconnect device.Type: GrantFiled: April 2, 2020Date of Patent: July 23, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Tsuyoshi Ito, Kenji Tanaka, Yuki Arikawa, Kazuhiko Terada, Takeshi Sakamoto
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Publication number: 20240243633Abstract: A coil includes a first coil layer and a second coil layer which is formed by winding a rectangular conductor. A side surface of the second coil layer contacts a side surface of the first coil layer in a second direction that is perpendicular to a radial first direction where the rectangular conductor overlaps. In the first coil layer, a second portion contacts a first portion. In the second coil layer, a fourth portion contacts a third portion. An outer surface of the third portion is closer to an outer peripheral side in the first direction than the outer surface of the first portion, and is closer to an inner peripheral side in the first direction than an outer surface of the second portion. An outer surface of the fourth portion is closer to the outer peripheral side in the first direction than the outer surface of the second portion.Type: ApplicationFiled: March 30, 2022Publication date: July 18, 2024Applicants: TOP CO., LTD., FUKUI PREFECTURAL GOVERNMENTInventors: Kenji Sasaki, Hitoshi Otaki, Yoshinori Sasaki, Taiki Tanaka, Tomoya Okahashi
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Publication number: 20240243222Abstract: A semiconductor light-emitting device includes a substrate having a first energy bandgap, a first semiconductor layers on the substrate, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer. The active layer includes a quantum well layer, and a first barrier layer between the first semiconductor layer and the quantum well layer. The first semiconductor layer has a second energy bandgap wider than the first energy bandgap. The quantum well layer has a third energy bandgap narrower than the first and second energy bandgaps. The second semiconductor layer has a fourth energy bandgap wider than the third energy bandgap. The substrate has a refractive index greater than a refractive index of the first semiconductor layer. The refractive index of the first semiconductor layer is not less than a refractive index of the first barrier layer.Type: ApplicationFiled: January 26, 2024Publication date: July 18, 2024Inventors: Akira Tanaka, Hideto Sugawara, Katsufumi Kondo, Masanobu Iwamoto, Kenji Isomoto, Hiroaki Ootsuka
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Publication number: 20240243550Abstract: Provided is a laser element capable of integrating a plurality of optical elements and inhibiting a standing wave of excitation light or oscillation light.Type: ApplicationFiled: February 15, 2022Publication date: July 18, 2024Inventors: KENJI TANAKA, MASANAO KAMATA
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Publication number: 20240243542Abstract: An optical resonator having a short pulse width, a low manufacturing cost, and a high degree of freedom in design is provided. An optical resonator according to one aspect of the present disclosure includes a pair of reflection members, a laser medium that is disposed between the pair of reflection members and is excited by specific excitation light to emit emission light, and a polarization control unit that is disposed between the pair of reflection members and controls polarization of the emission light, in which the polarization control unit has a microstructure on a surface so as to have different transmittances for polarized light beams orthogonal to each other out of zeroth-order diffracted light of the emission light.Type: ApplicationFiled: February 15, 2022Publication date: July 18, 2024Inventors: KENJI TANAKA, GEN YONEZAWA, MASANAO KAMATA, HIROSHI TOBITA, GO HIRANO