Patents by Inventor Yusuke Iwai
Yusuke Iwai 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: 20250097853Abstract: The present technology relates to a communication device capable of improving a system throughput. Provided is a communication device including a control unit that transmits a second signal including a transmission request for a first signal for measuring reception power or propagation loss to another communication device, receives the first signal transmitted from the other communication device, measures the reception power or the propagation loss on the basis of the received first signal, and controls transmission power on the basis of the measured reception power or propagation loss. The present technology can be applied to, for example, a wireless LAN system.Type: ApplicationFiled: December 3, 2024Publication date: March 20, 2025Applicant: Sony Group CorporationInventors: Yusuke TANAKA, Hiroshi SHIGENO, Takanobu OHNUMA, Koki IWAI, Riku INADA
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Publication number: 20250084092Abstract: An object of the present invention is to provide a pharmaceutical composition, in particular, a compound suitable for preventing and/or treating inflammatory diseases and/or neurodegenerative disease. The present inventors have conducted intensive studies to find a compound having an inhibitory effect on NLRP3 inflammasome activation and found that an annulated pyridazine compound has an inhibitory effect on NLRP3 inflammasome activation, thus completing the present invention. The annulated pyridazine compound of the present invention is expected to serve as a prophylactic and/or therapeutic agent for inflammatory diseases and/or neurodegenerative diseases.Type: ApplicationFiled: July 20, 2022Publication date: March 13, 2025Inventors: Yusuke Inagaki, Takuya Washio, Yuka Koizumi, Hiroki Toya, Yumi Yamashita, Ikumi Kuriwaki, Junko Maeda, Takanori Koike, Takashi Kamikubo, Susumu Yamaki, Kazuyuki Kuramoto, Kengo Saba, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura
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Publication number: 20250055804Abstract: A communication apparatus (100) according to the present disclosure includes: a communication unit (101) configured to transmit a downlink packet via a network and receive an ACK packet for the downlink packet via the network; an acquisition unit (102) configured to acquire an RTT for the downlink packet already transmitted by the communication unit (101), the RTT being time from when the communication unit (101) transmits the downlink packet to when the communication unit (101) receives the ACK packet, and a transmission time of the downlink packet already transmitted by the communication unit (101); and a transmission timing control unit (103) configured to control transmission timing of the downlink packet by the communication unit (101) on the basis of the RTT of the downlink packet already transmitted by the communication unit (101) and a transmission time of the downlink packet already transmitted by the communication unit (101).Type: ApplicationFiled: December 22, 2021Publication date: February 13, 2025Applicant: NEC CorporationInventors: Anan SAWABE, Yusuke SHINOHARA, Takanori IWAI
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Patent number: 12222314Abstract: A sensor element includes: a base part containing an oxygen-ion conductive solid electrolyte as a constituent material; at least one internal space into which a measurement gas is introduced; and at least one pump cell including an internal electrode disposed to face the internal space, an out-of-space pump electrode disposed at a location other than the internal space, and a portion of the base part located between these electrodes, the internal electrode includes a noble metal, the solid electrolyte, and a pore, and, in the internal electrode, a degree of variation of a boundary of a first region formed of the base part or the solid electrolyte contiguous with the base part and a second region occupied by the noble metal and the pore in a thickness direction of the element is 0.5 ?m or more and 6.5 ?m or less.Type: GrantFiled: January 18, 2022Date of Patent: February 11, 2025Assignee: NGK INSULATORS, LTD.Inventors: Takayuki Sekiya, Yusuke Watanabe, Shiho Iwai
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Patent number: 12222313Abstract: A sensor element includes a base part containing a solid electrolyte as a constituent material; at least one internal space into which a measurement gas is introduced; and at least one pump cell including an internal space electrode disposed to face the internal space, an out-of-space pump electrode disposed at a location other than the internal space, and a portion of the base part located between these electrodes, the internal space electrode includes a noble metal, the solid electrolyte, and a pore, and, in the internal space electrode, a ratio of a length of a boundary of a first region formed of the base part or the solid electrolyte contiguous with the base part and a second region occupied by the noble metal and the pore to a length of a boundary of the solid electrolyte and the internal space electrode is 1.1 or more.Type: GrantFiled: January 18, 2022Date of Patent: February 11, 2025Assignee: NGK INSULATORS, LTD.Inventors: Takayuki Sekiya, Yusuke Watanabe, Shiho Iwai
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Publication number: 20250039742Abstract: A relay apparatus (100) according to the present disclosure includes: a communication unit (101) that transmits a downlink packet received from a transmission-side communication apparatus (200) via a network to a reception-side communication apparatus (300) via the network, and transmits an ACK packet for the downlink packet received from the reception-side communication apparatus (300) via the network to the transmission-side communication apparatus (200) via the network; and a transmission timing control unit (102) that controls transmission timing of the ACK packet by the communication unit (101) so as to transmit the received ACK packet at a specific interval.Type: ApplicationFiled: December 22, 2021Publication date: January 30, 2025Applicant: NEC CorporationInventors: Anan SAWABE, Yusuke SHINOHARA, Takanori IWAI
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Patent number: 12211218Abstract: An estimation unit of a visual object tracking apparatus estimates a plurality of estimated bounding boxes and estimated object IDs respectively corresponding to the estimated bounding boxes based on a plurality of predicted bounding boxes and a plurality of detected bounding boxes. For example, the “detected bounding boxes” are “bounding boxes (bounded areas)” detected by a detector in each of a plurality of frames in a time series such as moving images. The “bounding box” is a frame surrounding an image of an object detected in a frame. For example, the “predicted bounding box” is a “bounding box” predicted by a predictor based on an estimated bounding box(es) estimated for one or a plurality of frames in the past.Type: GrantFiled: October 7, 2019Date of Patent: January 28, 2025Assignee: NEC CORPORATIONInventors: Florian Beye, Takanori Iwai, Yusuke Shinohara, Hayato Itsumi
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Patent number: 12207202Abstract: The present technology relates to a communication device capable of improving a system throughput. Provided is a communication device including a control unit that transmits a second signal including a transmission request for a first signal for measuring reception power or propagation loss to another communication device, receives the first signal transmitted from the other communication device, measures the reception power or the propagation loss on the basis of the received first signal, and controls transmission power on the basis of the measured reception power or propagation loss. The present technology can be applied to, for example, a wireless LAN system.Type: GrantFiled: November 21, 2023Date of Patent: January 21, 2025Assignee: SONY GROUP CORPORATIONInventors: Yusuke Tanaka, Hiroshi Shigeno, Takanobu Ohnuma, Koki Iwai, Riku Inada
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Publication number: 20190036408Abstract: A motor includes a rotor that is rotatable around a center axis, a stator that opposes the rotor, and a bracket. The bracket includes a cylindrical portion that accommodates the stator and that extends in an axial direction. The stator includes a stator core, an insulator that covers the stator core, a coil portion, and a terminal portion. The coil portion is formed from a conducting wire wound around the stator core via the insulator. The terminal portion is connected to a substrate, an end portion of the coil portion being bound on the terminal portion. The insulator includes a first protruding portion, at least a part of the first protruding portion protruding towards a radial-direction outer side than the cylindrical portion. Outside the cylindrical portion, the terminal portion is provided at the first protruding portion.Type: ApplicationFiled: June 13, 2018Publication date: January 31, 2019Inventors: Yusuke IWAI, Ryosuke ISHIDA, Masakazu TANIKAWA
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Patent number: 9800118Abstract: A self-cooled motor includes a shaft; a rotor; a stator radially opposite the rotor; a housing supporting a bearing and the stator; and an impeller located axially below the rotor, and configured to rotate together with the shaft to generate an air current. The housing includes a base portion located axially above the rotor; two or more attachment portions radially outward of the rotor; and a cylindrical or substantially cylindrical cover portion configured to join the base portion and the attachment portions. A lower end of each attachment portion is located at an axial level lower than an axial level of the impeller. The base portion includes an air inlet. The cover portion includes an air outlet located between adjacent ones of the attachment portions, and configured to connect a space radially inside the housing and a space radially outside the housing with each other.Type: GrantFiled: December 30, 2014Date of Patent: October 24, 2017Assignee: NIDEC CORPORATIONInventor: Yusuke Iwai
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Patent number: 9800117Abstract: A self-cooled motor includes a rotor holder including a cylindrical portion and a bottom plate portion, and configured to rotate with a shaft; a housing supporting a bearing and a stator; and at least one blade rotating together with the shaft to generate an air current traveling radially outward, at least a portion of each blade being located axially below the bottom plate portion of the rotor holder. The housing includes a base portion axially above the rotor holder and an outlet edge portion in the housing and between adjacent ones of the attachment portions, and configured to define a main air outlet axially below, the main air outlet connecting a space radially inside the housing and a space radially outside the housing with each other. The bottom plate portion of the rotor holder includes a rotor vent hole passing therethrough in an axial direction.Type: GrantFiled: December 30, 2014Date of Patent: October 24, 2017Assignee: NIDEC CORPORATIONInventor: Yusuke Iwai
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Patent number: 9800116Abstract: A DC brushless motor includes a housing including a plurality of attachment portions each of which is arranged to extend toward an apparatus, a base portion joined to the attachment portions, and a bearing holding portion joined to the base portion; a bearing member held by the bearing holding portion; a shaft supported by the bearing member to be rotatable about a central axis, and including a portion on one axial side to which blades that perform stirring in a heating chamber are joinable; a rotor holder fixed to the shaft; a rotor magnet held on an inside of a cylindrical portion of the rotor holder; a stator arranged radially inside the rotor magnet; and a circuit board electrically connected with the stator, and arranged axially opposite the opening of the rotor holder.Type: GrantFiled: March 6, 2014Date of Patent: October 24, 2017Assignee: NIDEC CORPORATIONInventors: Yusuke Iwai, Naoki Tabira, Yosuke Kawano
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Publication number: 20150295471Abstract: A self-cooled motor includes a shaft; a rotor; a stator radially opposite the rotor; a housing supporting a bearing and the stator; and an impeller located axially below the rotor, and configured to rotate together with the shaft to generate an air current. The housing includes a base portion located axially above the rotor; two or more attachment portions radially outward of the rotor; and a cylindrical or substantially cylindrical cover portion configured to join the base portion and the attachment portions. A lower end of each attachment portion is located at an axial level lower than an axial level of the impeller. The base portion includes an air inlet. The cover portion includes an air outlet located between adjacent ones of the attachment portions, and configured to connect a space radially inside the housing and a space radially outside the housing with each other.Type: ApplicationFiled: December 30, 2014Publication date: October 15, 2015Inventor: Yusuke IWAI
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Publication number: 20150295470Abstract: A self-cooled motor includes a rotor holder including a cylindrical portion and a bottom plate portion, and configured to rotate with a shaft; a housing supporting a bearing and a stator; and at least one blade rotating together with the shaft to generate an air current traveling radially outward, at least a portion of each blade being located axially below the bottom plate portion of the rotor holder. The housing includes a base portion axially above the rotor holder and an outlet edge portion in the housing and between adjacent ones of the attachment portions, and configured to define a main air outlet axially below, the main air outlet connecting a space radially inside the housing and a space radially outside the housing with each other. The bottom plate portion of the rotor holder includes a rotor vent hole passing therethrough in an axial direction.Type: ApplicationFiled: December 30, 2014Publication date: October 15, 2015Inventor: Yusuke IWAI
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Patent number: 9103330Abstract: There is provided a motor including, a rotating portion and a stationary portion. The mounting plate includes a substantially cylindrical fixing cylindrical portion; an annular upper plate portion; an annular circumferential portion; and a mounting portion. A lower end of the fixing cylindrical portion is arranged at a level lower than that of a lower end of a bushing press-fit area. At least one of a lower end of a sleeve fixing area in which an outer circumferential surface of the sleeve and an inner circumferential surface of the bushing cylindrical portion are in contact with each other and a lower end of a radial gap which supports the shaft is arranged at a level higher than that of an upper end of the bushing press-fit area.Type: GrantFiled: January 24, 2013Date of Patent: August 11, 2015Assignee: NIDEC CORPORATIONInventors: Yosuke Kawano, Yusuke Iwai, Hidehiko Hidaka
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Publication number: 20140265739Abstract: A DC brushless motor includes a housing including a plurality of attachment portions each of which is arranged to extend toward an apparatus, a base portion joined to the attachment portions, and a bearing holding portion joined to the base portion; a bearing member held by the bearing holding portion; a shaft supported by the bearing member to be rotatable about a central axis, and including a portion on one axial side to which blades that perform stirring in a heating chamber are joinable; a rotor holder fixed to the shaft; a rotor magnet held on an inside of a cylindrical portion of the rotor holder; a stator arranged radially inside the rotor magnet; and a circuit board electrically connected with the stator, and arranged axially opposite the opening of the rotor holder.Type: ApplicationFiled: March 6, 2014Publication date: September 18, 2014Applicant: NIDEC CORPORATIONInventors: Yusuke IWAI, Naoki TABIRA, Yosuke KAWANO
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Publication number: 20130236340Abstract: There is provided a motor including, a rotating portion and a stationary portion. The mounting plate includes a substantially cylindrical fixing cylindrical portion; an annular upper plate portion; an annular circumferential portion; and a mounting portion. A lower end of the fixing cylindrical portion is arranged at a level lower than that of a lower end of a bushing press-fit area. At least one of a lower end of a sleeve fixing area in which an outer circumferential surface of the sleeve and an inner circumferential surface of the bushing cylindrical portion are in contact with each other and a lower end of a radial gap which supports the shaft is arranged at a level higher than that of an upper end of the bushing press-fit area.Type: ApplicationFiled: January 24, 2013Publication date: September 12, 2013Applicant: NIDEC CORPORATIONInventors: Yosuke Kawano, Yusuke Iwai, Hidehiko Hidaka
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Patent number: 8082561Abstract: A motor includes a rotating body including a magnet, and a fixed body including a stator. The stator includes a stator core having an annular core back portion with an upper and a lower surface, and a plurality of circumferentially spaced-apart tooth portions extending from the core back portion in a direction away from the rotational axis, and a plurality of coils provided by winding a conductive wire around the tooth portions of the stator core with multiple turns. The rotor holder is arranged axially above the stator to cover the stator. Further, an annular or arc-shaped attracting magnet arranged to attract the rotor holder toward the stator is arranged radially inwardly of the core back portion, the attracting magnet having an upper surface axially facing toward the rotor holder, and a lower surface arranged axially below the upper surface of the core back portion of the stator core.Type: GrantFiled: October 16, 2008Date of Patent: December 20, 2011Assignee: Nidec CorporationInventors: Hitoshi Takaki, Shigeo Hayashi, Yusuke Iwai, Nobuaki Yasumoto, Yosuke Kawano
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Patent number: 8032902Abstract: In a motor including a chucking device for detachably holding a disk, the chucking device has a center case to which a central opening of the disk is inserted. The center case has a cylindrical portion coaxial with the center axis, a cover portion for covering an axial upper side of the cylindrical portion of the center case and a base portion fixed to the shaft-fixed portion of the rotor holder; resilient members received within the center case; and claw members remaining in contact with the respective resilient members, the claw members being movable radially to hold the disk in place. The center case is spaced apart from the rotor holder except for the base portion contacting with the shaft-fixed portion of the rotor holder.Type: GrantFiled: March 19, 2008Date of Patent: October 4, 2011Assignee: Nidec CorporationInventors: Hitoshi Takaki, Yusuke Iwai, Satoru Kuramoto, Tetsuya Tatara
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Patent number: 8032903Abstract: In a motor including a chucking device for detachably holding a disk, the chucking device has a center case to which a central opening of the disk is inserted; resilient members received within the center case; and claw members for holding the disk in place. Each of the claw members has a tip end portion, a disk holding surface positioned axially below the tip end portion for holding the disk in place, and a recessed sliding portion formed substantially at a circumferential center region of the disk holding surface, the sliding portion serving to guide movement of the claw member. Rest portions are formed in the center case in a facing relationship with the respective sliding portions, the rest portions serving to support the respective sliding portions by contacting therewith. Each of the rest portions has an upwardly convex curved surface with which the corresponding sliding portion makes contact.Type: GrantFiled: March 19, 2008Date of Patent: October 4, 2011Assignee: Nidec CorporationInventors: Hitoshi Takaki, Yusuke Iwai, Satoru Kuramoto, Tatsuya Tatara