Patents by Inventor Hiroshi Sakamoto
Hiroshi Sakamoto 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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Patent number: 12045775Abstract: A part management apparatus may include an acquisition unit configured to acquire part information indicating a part having a symptom of a failure among a plurality of parts configuring a drive mechanism mounted to a vehicle. The part management apparatus may include an identification unit configured to refer to a storage unit that is configured to store a material configuring each of the plurality of parts to identify a material of the part indicated by the part information. The part management apparatus may include a notification unit configured to notify a material management apparatus configured to manage an inventory of a material of a part, of information related to the material of the part.Type: GrantFiled: February 22, 2022Date of Patent: July 23, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Yasuhito Takei, Atsushi Fujikawa, Tsutomu Kamiyamaguchi, Fumihiro Yoshino, Hiroshi Kimura, Ryosuke Itoyama, Ryuzo Sakamoto, Atsushi Kubota
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Patent number: 12043989Abstract: A working machine 1 includes a design data obtainment unit 29, a topography measuring device 30, and a controller 21. The controller 21 extracts peripheral area shape data from the design data in the construction-site coordinate system, maps similar shape portions between the extracted peripheral area shape data and the current topography data in the current topography coordinate system, calculates a coordinate transformation matrix to transform from the current topography coordinate system to the construction-site coordinate system so that a difference in coordinate values of the mapped shape portions is minimized, and transforms the self-position and posture of the working machine 1 and the current topography data from coordinates in the current topography coordinate system to coordinates in the construction-site coordinate system using the calculated coordinate transformation matrix.Type: GrantFiled: September 18, 2020Date of Patent: July 23, 2024Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Joonyoung Roh, Hiroshi Sakamoto, Youhei Toriyama, Naoki Hayakawa
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Patent number: 12024177Abstract: A sensor abnormality estimation device determines whether or not a position and a speed of a sensor-mounted vehicle at an intersection fulfill a predetermined performance condition. When the position and the speed fulfill the performance condition, the sensor abnormality estimation device acquires recognition results obtained by two of a plurality of external sensors, for a target object at a designated position associated with the position of the sensor-mounted vehicle. The sensor abnormality estimation device then acquires a degree of coincidence between the recognition results, and determines that there is an abnormality in at least one of the two external sensors when the degree of coincidence is lower than a predetermined determination value.Type: GrantFiled: March 8, 2022Date of Patent: July 2, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Makoto Kawaharada, Hiroshi Sakamoto
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Patent number: 12012716Abstract: In a hydraulic excavator including a main controller that can execute area restriction control, the main controller is configured to calculate an operation velocity Vix of a front work device in a machine body coordinate system. The controller is further configured to calculate a movement velocity (dragging velocity) of a machine body in a gravity coordinate system and correct a direction of a calculated target velocity vector upward away from a construction target surface when generation of dragging is detected during execution of the area restriction control based on the calculated operation velocity of the front work device and the calculated movement velocity of the machine body.Type: GrantFiled: August 3, 2020Date of Patent: June 18, 2024Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Yusuke Suzuki, Hiroaki Tanaka, Hisami Nakano, Hiroshi Sakamoto, Akihiro Narazaki
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Patent number: 12010586Abstract: Provided is a position estimation method in which a measurement signal and a response signal are transmitted and received between multiple n wireless stations respectively provided with known antennas installed at known positions different from each other and a wireless terminal station provided with a terminal antenna, RTT, which is a round-trip delay time of the transmission and reception, and RSSI, which is a strength of received radio waves of the signals, are measured, and a position of the wireless terminal station is estimated. The method includes: obtaining, as the position of the wireless terminal station, a solution of simultaneous equations of an RTT evaluation function fti for evaluating the estimate value of the position of the wireless terminal station that is estimated based on the RTT measured between the wireless terminal station and the known antenna i (i=1, 2, . . .Type: GrantFiled: January 27, 2020Date of Patent: June 11, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masamichi Hosoda, Tadashi Mori, Masaru Miyamoto, Hiroshi Sakamoto, Tomoki Murakami, Tomoaki Ogawa
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Patent number: 11985529Abstract: A plurality of access points configured to communicate with a subordinate wireless LAN terminal, an information collecting device configured to collect a frame respectively transmitted and received between the plurality of access points and the wireless LAN terminal, and extract information on communication quality of an access point of the plurality of access points from a header of the frame, and an information collecting server configured to acquire the information on the communication quality of the access point from the information collecting device, analyze the information to determine whether the communication quality is good or bad for each of the plurality of access points, and execute processing of externally displaying or notifying a result that is determined are included.Type: GrantFiled: October 18, 2019Date of Patent: May 14, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Masayoshi Nabeshima, Hiroyuki Nakamura, Tomoaki Ogawa, Shinya Otsuki, Makoto Umeuchi, Junichi Iwatani, Hiroshi Sakamoto
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Patent number: 11985533Abstract: There are provided a plurality of radio devices detecting an interference source signal transmitted by an interference source and generating pieces of air time information showing whether the interference source signal exists or not for each predetermined time unit; and an aggregation device estimating air time of the interference source by acquiring the pieces of air time information from the plurality of radio devices and aggregating/integrating the acquired pieces of air time information for each predetermined unit time, matching timings.Type: GrantFiled: September 13, 2019Date of Patent: May 14, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Junichi Iwatani, Hiroyuki Nakamura, Tomoaki Ogawa, Makoto Umeuchi, Shinya Otsuki, Hiroshi Sakamoto, Masayoshi Nabeshima
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Patent number: 11896579Abstract: The present invention relates to a drug that is for treating or preventing cancer, that is effective in the treatment of cancer, and that comprises a combination of an ALK inhibitor and a VEGF inhibitor. The present invention also relates to a method for treating or preventing cancer and a method for inhibiting tumor growth.Type: GrantFiled: June 25, 2021Date of Patent: February 13, 2024Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Hiroshi Sakamoto, Toshiyuki Tsukaguchi
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Patent number: 11889329Abstract: A wireless base station and a first wireless terminal include means for collecting first wireless performance information regarding wireless communication in both a downstream direction and an upstream direction and transmitting the first wireless performance information to a wireless performance measurement device. The wireless base station and a second wireless terminal include means for collecting second wireless performance information regarding wireless communication in both the downstream direction and the upstream direction and transmitting the second wireless performance information to the wireless performance measurement device.Type: GrantFiled: September 13, 2019Date of Patent: January 30, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Shinya Otsuki, Tomoaki Ogawa, Makoto Umeuchi, Junichi Iwatani, Hiroshi Sakamoto, Masayoshi Nabeshima, Hiroyuki Nakamura
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Patent number: 11879233Abstract: A work machine includes a plurality of actuators that drive a work device; a posture sensor that senses postural data about the work device; and a controller having a degree-of-proximity calculating section that computes a degree of proximity that is an index value indicating proximity between an intrusion prohibition region and the work device on the basis of positional data about the intrusion prohibition region and the postural data. A command section executes, when the proximity specified by the degree of proximity is closer than proximity specified by a degree-of-proximity threshold, operating area limiting control to decelerate at least one of the plurality of actuators such that an intrusion of the work device into the intrusion prohibition region is prevented. History of the data about the degree of proximity calculated at the degree-of-proximity calculating section is stored and the degree-of-proximity threshold is altered on the basis of the history data.Type: GrantFiled: June 7, 2019Date of Patent: January 23, 2024Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Ryu Narikawa, Hiroshi Sakamoto, Hidekazu Moriki
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Publication number: 20240003293Abstract: A compressed air supply system that extracts compressed air from a gas turbine engine and supplies the compressed air to an air conditioning pack of an airframe. The compressed air supply system includes: a low-pressure bleed air port that extracts compressed air from an upstream side of a high-pressure compressor; a high-pressure bleed air port that extracts compressed air from a downstream side of a front-stage portion of the high-pressure compressor; a main pipe extending from the low-pressure bleed air port toward the air conditioning pack; an auxiliary compressor that is located at the main pipe and increases pressure of the compressed air; a high-pressure bleed air pipe that couples the main pipe to the high-pressure bleed air port; a high-pressure bleed air valve located at the high-pressure bleed air pipe; and circuitry that opens the high-pressure bleed air valve when the circuitry determines that an insufficient pressure state occurs.Type: ApplicationFiled: October 28, 2020Publication date: January 4, 2024Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hiroaki TAKAMI, Naoya SEKOGUCHI, Katsuhiko ISHIDA, Kenta UMEZAKI, Hiroshi SAKAMOTO, Tatsuhiko GOI
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Publication number: 20240003302Abstract: A compressed air supply system includes: a bleed air passage; an auxiliary compressor structure including a compressor inlet and a compressor outlet, the compressor inlet being fluidly connected to the bleed air passage; a supply passage which is fluidly connected to the compressor outlet and through which compressed air from the auxiliary compressor structure is supplied to an air cycle machine; an accessory gear box; and a continuously variable transmission structure that changes speed of rotational driving force output from the accessory gear box and rotates the auxiliary compressor structure. The continuously variable transmission structure and the auxiliary compressor structure are fixed to the accessory gear box, and the accessory gear box is fixed to the gas turbine engine.Type: ApplicationFiled: October 28, 2020Publication date: January 4, 2024Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hiroaki TAKAMI, Naoya SEKOGUCHI, Katsuhiko ISHIDA, Kenta UMEZAKI, Hiroshi SAKAMOTO, Tatsuhiko GOI
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Publication number: 20230407794Abstract: A core engine including a core casing covering a low-pressure rotary structure and a high-pressure rotary structure and includes a passage of air flowing through the low-pressure and the high-pressure rotary structures; a fan located in front of the core engine; an inner cowl serving as an inner peripheral surface of a bypass passage that extends through the fan and bypasses the core engine; an accessory gear box that extracts power from the low-pressure or the high-pressure rotary structure and supplies the power to accessories; an auxiliary compressor attached to the accessory gear box, is driven by power of the accessory gear box, and increases pressure of compressed air extracted from the core engine; and a compressed air pipe that extends through an inside of a strut connecting the core engine and an airframe and supplies the compressed air having an increased pressure by the auxiliary compressor to the airframe.Type: ApplicationFiled: October 28, 2020Publication date: December 21, 2023Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hiroaki TAKAMI, Naoya SEKOGUCHI, Katsuhiko ISHIDA, Kenta UMEZAKI, Hiroshi SAKAMOTO, Tatsuhiko GOI
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Publication number: 20230399111Abstract: A compressed air supply system of an aircraft includes: a bleed air passage through which bleed air from a gas turbine engine flows; an auxiliary compressor including a compressor inlet and a compressor outlet, the compressor inlet being fluidly connected to the bleed air passage; a supply passage which is fluidly connected to the compressor outlet and through which compressed air from the auxiliary compressor is supplied to an air system of the aircraft; a driver that rotates the auxiliary compressor; a sensor that detects pressure or temperature of the supply passage; and circuitry that controls an output rotational frequency of the driver in accordance with a detection signal of the sensor.Type: ApplicationFiled: October 28, 2020Publication date: December 14, 2023Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hiroaki TAKAMI, Naoya SEKOGUCHI, Katsuhiko ISHIDA, Kenta UMEZAKI, Hiroshi SAKAMOTO, Tatsuhiko GOI
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Patent number: 11840822Abstract: A work machine capable of assisting in an operator's operation to allow a work tool move along a design surface indicating a target shape of an object to be worked irrespectively of an angle of the design surface and a posture of a work implement is provided. A controller determines an excavation actuator in charge of an excavation action and determines an alignment actuator in charge of an alignment action for a work tool out of a plurality of actuators on the basis of the design surface set by a work execution target setting device and the posture of the work implement measured by a work implement posture/position measurement device, determines a target velocity of the excavation actuator on the basis of operation signals outputted from an operation device, and limits a target velocity of the alignment actuator in a direction in which the work tool approaches the design surface.Type: GrantFiled: June 13, 2019Date of Patent: December 12, 2023Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroaki Tanaka, Hisami Nakano, Yuusuke Suzuki, Hiroshi Sakamoto
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Patent number: 11812292Abstract: There are provided an information collecting device configured to collect a frame A transmitted and received between a wireless LAN base station that is an evaluation target and a wireless LAN terminal subordinate to the wireless LAN base station that is the evaluation target and a frame B transmitted and received between a wireless LAN base station that is a non-evaluation target and a wireless LAN terminal subordinate to the wireless LAN base station that is the non-evaluation target, and extract radio information on communication quality of each of the wireless LAN base stations from a header of a corresponding one of the frames A and B, and a wireless LAN communication quality estimation device configured to acquire, from the wireless LAN base station that is the evaluation target, information on the number of currently connected wireless LAN terminals, acquire, from the information collecting device, the radio information on the communication quality of each of the wireless LAN base stations, and analyzeType: GrantFiled: October 18, 2019Date of Patent: November 7, 2023Assignee: Nippon Telegraph and Telephone CorporationInventors: Masayoshi Nabeshima, Shinya Otsuki, Tomoaki Ogawa, Hiroshi Sakamoto, Makoto Umeuchi, Junichi Iwatani, Hiroyuki Nakamura
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Publication number: 20230332375Abstract: The invention of the present application intends to provide a work machine that can improve the work performance by keeping the work state of work equipment conforming to the intention of an operator in machine control for causing the work equipment to follow an excavation target surface. For this purpose, a controller determines the work state of the work equipment on the basis of an operation input amount inputted from an operation input device and the posture of the work equipment with respect to the target surface, computes a range of an action command value of actuators in which the work state determined is kept, and corrects, within the range, the action command value of the actuators to make the distance between the work equipment and the target surface small.Type: ApplicationFiled: December 10, 2021Publication date: October 19, 2023Inventors: Yusuke SUZUKI, Hiroaki TANAKA, Yasuhiko KANARI, Hiroshi SAKAMOTO, Teruki IGARASHI, Akihiro NARAZAKI
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Publication number: 20230304260Abstract: The invention of the present application has as its object the provision of a work machine that is equipped with a function to prevent a work device thereof from going into an entry prohibited area and can satisfy both working precision and working efficiency of the work device. A controller is therefore configured to start work range limiting control to decelerate or stop an action of a machine main body or the work device when a distance between a monitor point set beforehand on the work device and the entry prohibited area decreases to a first distance, to end the work range limiting control when the distance between the monitor point and the entry prohibited area increases to a second distance greater than the first distance, and to change the second distance according to an operation amount of an operation device.Type: ApplicationFiled: November 9, 2021Publication date: September 28, 2023Inventors: Hiroaki TANAKA, Yusuke SUZUKI, Akihiro NARAZAKI, Yasuhiko KANARI, Hiroshi SAKAMOTO
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Publication number: 20230276274Abstract: A wireless LAN frame capture method is to capture a wireless LAN frame transmitted from a target access point. The wireless LAN frame capture method includes: (A) channel scan processing of receiving a wireless LAN frame while sequentially switching a plurality of channels; (B) channel setting processing of setting the channel when an identifier of an access point included in the wireless LAN frame received in the channel scan processing matches a target identifier of the target access point, to a target channel; and (C) frame capture processing of capturing the wireless LAN frame of the target channel.Type: ApplicationFiled: May 20, 2020Publication date: August 31, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masayoshi NABESHIMA, Hiroshi SAKAMOTO, Tomoaki OGAWA
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Publication number: 20230239709Abstract: There are provided a first wireless system, a second wireless system, an information collection terminal, and a wireless control apparatus. The first wireless system includes a fixed wireless access apparatus that performs communication with a movable wireless terminal. The second wireless system performs communication in a limited communication area using a frequency band that is the same as or overlaps a frequency band of the first wireless system. The information collection terminal is installed in the communication area of the second wireless system and collects information on the wireless communication of the first wireless system. The wireless control apparatus controls the communication of the first wireless system.Type: ApplicationFiled: June 1, 2020Publication date: July 27, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Shinya OTSUKI, Junichi IWATANI, Hiroshi SAKAMOTO, Masayoshi NABESHIMA, Tomoaki OGAWA