Patents by Inventor Hiroshi Nakagawa
Hiroshi Nakagawa 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: 11145711Abstract: A capacitor that includes a substrate having a principal surface; a dielectric film on the principal surface of the substrate; and an electrode layer on the dielectric film. The substrate has a recess structure portion with at least one recess portion in a second region outside a first region where the electrode layer overlaps the dielectric layer when viewed in a plan view from a normal direction of the principal surface of the substrate, and the dielectric film is on the recess structure portion.Type: GrantFiled: August 21, 2019Date of Patent: October 12, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Tomoyuki Ashimine, Hiroshi Nakagawa, Yasuhiro Murase
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Patent number: 11136447Abstract: A polyamide resin composition includes 100 parts by weight of a polyamide resin (A), 0.1 to 50 parts by weight of a fire retardant (B), 0.001 to 1 part by weight of a metal and/or salt thereof (C), and 0.001 to 1 part by weight of a compound (D) as represented by formula [I]: QX [I] wherein in formula [I], Q represents an aromatic hydrocarbon group or an alicyclic hydrocarbon group and X represents a 5-membered heterocyclic ring group, Q and X forming a covalent bond or a fused ring.Type: GrantFiled: November 10, 2017Date of Patent: October 5, 2021Assignee: Toray Industries, Inc.Inventors: Akiyoshi Tamai, Hiroshi Nakagawa, Masaru Akita, Hideyuki Umetsu
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Publication number: 20210292475Abstract: A liquid crystal polyester resin for laminate, wherein, in a molecular weight distribution of an absolute molecular weight measured by a gel permeation chromatograph/light scattering method, an area fraction of a portion having an absolute molecular weight of 10,000 or less is 10 to 40%, and an area fraction of a portion having an absolute molecular weight of 50,000 or more is 3 to 20%, relative to 100% of the total peak area.Type: ApplicationFiled: August 1, 2019Publication date: September 23, 2021Inventors: Akito Konishi, Hiroshi Nakagawa, Hideyuki Umetsu
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Publication number: 20210249374Abstract: The purpose of the present invention is to provide an electronic circuit connection method and an electronic circuit capable of improving the reliability of electrical connection. A connection method for an electronic circuit 100 includes: a process of forming a first metal bumps 30 and a second metal bump 40, each of which has a cone shape; and a process of joining a first electrode pad 12 and a third electrode pad 22 by the first metal bump 30 and joining a second electrode pad 13 and a fourth electrode pad 23 by the second metal bump 40, wherein at least one region of between a first region 11a and a second region 11b in a first connection surface 11 and between a third region 21a and a fourth region 21b in a second connection surface 21 has a step 11c, and the first metal bump 30 and the second metal bump 40 have different heights so as to correct a height H1 of the step 11c.Type: ApplicationFiled: May 30, 2019Publication date: August 12, 2021Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Masaru HASHINO, Ying Ying LIM, Hiroshi NAKAGAWA, Masahiro AOYAGI, Katsuya KIKUCHI
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Patent number: 11045960Abstract: Provided is a life evaluating device that evaluates the life of a lubricant in a machine including a motor and a transmission mechanism that is lubricated by the lubricant and transmits power of the motor to a movable unit. The life evaluating device includes a motor-heat-value calculating unit that calculates a motor heat value on the basis of a current value of the motor, a frictional-heat-value calculating unit that calculates a frictional heat value in the transmission mechanism on the basis of rotating speed of the motor and a coefficient of friction of the transmission mechanism, a lubricant-temperature estimating unit that estimates temperature of the lubricant on the basis of the calculated frictional heat value and the calculated motor heat value, and a life estimating unit that estimates the life of the lubricant on the basis of the estimated temperature of the lubricant and information concerning impurities in the lubricant.Type: GrantFiled: June 18, 2019Date of Patent: June 29, 2021Assignee: FANUC CORPORATIONInventors: Wei Guo, Hiroshi Nakagawa
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Publication number: 20210174080Abstract: The accuracy of an index indicating growth conditions of a crop obtained from a shot image is improved, while reducing the flight time of an aircraft shooting the crop. Crop image acquisition unit acquires an image of a crop region shot by drone. Index calculation unit calculates an index indicating growth conditions of a crop shot in the image based on the acquired image of the crop region. Flight instruction unit instructs, if a portion (low index region) regarding which the calculated index is less than a predetermined index threshold is present in the crop region, drone to shoot the low index region while increasing the resolution of the image. Specifically, flight instruction unit makes an instruction to shoot the portion while performing a low-altitude flight at an altitude lower than that when the image regarding which the index of the low index region has been calculated has been shot.Type: ApplicationFiled: April 23, 2019Publication date: June 10, 2021Applicant: NTT DOCOMO, INC.Inventors: Hiroshi NAKAGAWA, Kazuhiro YAMADA, Youhei OONO, Yuichiro SEGAWA
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Publication number: 20210155342Abstract: Piloting assistance from a remote location is provided to a pilot of a flight vehicle. A server selects captured images. The captured images include flight vehicle viewpoint images that were captured by an image capturing function of the flight vehicle, or pilot viewpoint images that were captured by an image capturing apparatus and show the flight of the flight vehicle. The server provides selected captured images to an assister terminal with priority. The server determines the display with priority based on information related to the flight of the flight vehicle. For example, the server determines the captured images that are to be displayed with priority based on a state during the flight of the flight vehicle. States include, for example, the altitude, speed, orientation, battery amount, and motor rotation speeds of the flight vehicle, as well as the distance between the flight vehicle and a work object.Type: ApplicationFiled: October 24, 2018Publication date: May 27, 2021Applicant: NTT DOCOMO, INC.Inventors: Hiroshi Nakagawa, Kazuhiro Yamada
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Patent number: 10996127Abstract: A pressure detection device includes: a piezoelectric element that detects a pressure change via a diaphragm head or the like; a circuit board that is provided with a processing circuit that performs electrical processing with respect to a charge signal outputted from the piezoelectric element; a conductive housing member, which has conductivity and is disposed to cover (house) the circuit board, and which is connected to the ground of the circuit board; and a housing (a leading end side housing, the diaphragm head and a rear end side housing), which houses the piezoelectric element, the circuit board and the housing member, and which is electrically insulated from the piezoelectric element, the circuit board and the housing member.Type: GrantFiled: February 21, 2017Date of Patent: May 4, 2021Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Yuta Kanamori, Masanori Yomoyama, Tetsuya Aiba, Ikuo Takahashi, Hiroshi Nakagawa, Kazuo Takahashi, Yusuke Satoh
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Patent number: 10991509Abstract: A capacitor is provided that includes a base having a first main surface and a second main surface opposing each other with a trench formed on a side of the first main surface (110A. Moreover, a dielectric film is disposed in a region that includes an inside of the trench on the side of the first main surface of the base; a conductor film is provided that includes a first conductor layer disposed on the dielectric film, which is the region including the inside of the trench and a second conductor layer disposed on the first conductor layer; and a stress relieving portion is provided in contact with at least a part of the end of the first conductor layer. Moreover, a thickness of the stress relieving portion is smaller than a thickness of the conductor film, outside the trench portion of the first main surface of the base.Type: GrantFiled: October 30, 2019Date of Patent: April 27, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroshi Nakagawa, Tomoyuki Ashimine, Yasuhiro Murase
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Patent number: 10953553Abstract: This gripping hand has a base member and a number of fingers arranged about an axis line passing through the base member, wherein each of the fingers has a flexible finger part having flexibility and a finger base member for supporting the basal end side of the flexible finger part, the gripping hand is provided with a number of link mechanisms that are supported by the base member and that support the respective number of finger base members, and each of the link mechanisms allows the finger base member supported thereby to move relative to the base member such that the orientation of the finger base member supported thereby does not substantially change relative to the base member.Type: GrantFiled: December 13, 2018Date of Patent: March 23, 2021Assignee: FANUC CORPORATIONInventors: Hiroshi Nakagawa, Yuuki Kondou
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Patent number: 10940585Abstract: A vibration suppression device acquires a teaching position, computes a speed plan based on the acquired teaching position and a first acceleration/deceleration parameter, computes data related to deflection occurring during an acceleration/deceleration operation of a robot based on the teaching position and the speed plan, and acquires data indicating a posture at the teaching position. Further, a machine learning unit of the vibration suppression device estimates an acceleration/deceleration parameter with respect to the data related to the deflection and the data related to the posture using the data related to the deflection and the data related to the posture as input data.Type: GrantFiled: November 19, 2018Date of Patent: March 9, 2021Assignee: FANUC CORPORATIONInventors: Hiroshi Nakagawa, Takafumi Kajiyama
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Patent number: 10919143Abstract: A device and method for judging the presence or absence of an abnormal clearance between paring elements of a passive joint of a robot. The device has sections configured to: calculate a score for each motion path, wherein the score is increased when the paring elements of an objective pair collide with each other and is decreased when the paring elements of the other pair collide with each other; generate a robot motion for moving the robot along the motion path having the score not lower than a predetermined threshold; measure a drive torque or a current value of a motor when the robot is moved according to the generated robot motion; calculate an index value based on a magnitude of variation of the measured drive torque or current value; and judge as to whether the abnormal clearance exists in the objective pair, based on the index value.Type: GrantFiled: February 7, 2019Date of Patent: February 16, 2021Assignees: FANUC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGYInventors: Hiroshi Nakagawa, Kenichiro Abe, Yunfeng Wu, Hikaru Yamashiro, Hideo Matsui, Soichi Arita, Yukio Takeda, Masumi Ohno
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Publication number: 20210027950Abstract: A capacitor that includes a substrate, a dielectric portion, and a conductor layer. The dielectric portion includes a thick film portion and a thin film portion. The thick film portion has a thickness larger than the average thickness of the dielectric portion in a direction perpendicular to the first main surface. The thin film portion has a thickness smaller than the average thickness of the dielectric portion in the direction perpendicular to the first main surface. The thick film portion has a larger relative permittivity than the thin film portion.Type: ApplicationFiled: October 8, 2020Publication date: January 28, 2021Inventors: Hiroshi Nakagawa, Tomoyuki Ashimine, Yasuhiro Murase
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Publication number: 20210006151Abstract: A CR snubber element includes a first resistance part, a first capacitance part, a second resistance part, and a second capacitance part. The first capacitance part is connected in series to the first resistance part. The second resistance part is connected in series to the first resistance part and the first capacitance part and the second capacitance part is connected in parallel to the second resistance part. The CR snubber element is configured such that the second resistance part is disconnected when the first capacitance part is short-circuited.Type: ApplicationFiled: September 17, 2020Publication date: January 7, 2021Inventors: Tomoyuki Ashimine, Hiroshi Nakagawa, Yasuhiro Murase
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Publication number: 20200406464Abstract: A device capable of acquiring a deviation of a working position of a tool with respect to a target position of a workpiece with higher accuracy in accordance with actual work. A device for acquiring a deviation amount of a working position of a tool with respect to a target position when a work is performed on a workpiece with respect to the target position by the tool, the tool being moved by a movement machine, the device including: a camera arranged in a predetermined positional relationship with respect to the tool and configured to image the target position at a first time point when the tool performs an operation for the work; and a deviation amount acquisition section configured to acquire a deviation amount between the working position and the target position at the first time point, based on a position of the target position in image data imaged by the camera and information indicating a position of the working position in the image data.Type: ApplicationFiled: June 19, 2020Publication date: December 31, 2020Applicant: Fanuc CorporationInventors: Takafumi Kajiyama, Hiroshi Nakagawa
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Patent number: 10879347Abstract: A capacitor that includes a first capacitor layer having a first substrate provided with a first trench structure having a trench, a first electrode, and a second electrode provided in a region of the first trench structure that includes a trench, and a second capacitor layer having a second substrate, a third electrode, and a fourth electrode. Moreover, the first capacitor layer and the second capacitor layer are disposed such that the second electrode and the third electrode oppose each other and are electrically connected.Type: GrantFiled: July 25, 2019Date of Patent: December 29, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yasuhiro Murase, Tomoyuki Ashimine, Hiroshi Nakagawa
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Publication number: 20200388088Abstract: It is an object of the present invention to know the accuracy of the result of processing performed by an aircraft flying under a certain flying condition. Computation unit computes Accuracy of result of processing performed by aircraft flying under flight condition specified by specifying unit. Specifically, accuracy A is expressed by the function f of flight altitude of the aircraft. A=f(h) Battery life B (the time during which the aircraft can fly due to remaining power of battery) is expressed by function g of flight altitude h and flight speed v of aircraft. B=g(h,v) Note that the variables of function g may include area and shape of a processing target area (field), effective range Pu, a stop time at time of shooting (length of time stopped when temporarily stopped for shooting), number of times shooting is performed, and the like.Type: ApplicationFiled: January 21, 2019Publication date: December 10, 2020Applicant: NTT DOCOMO, INC.Inventors: Hiroshi NAKAGAWA, Kazuhiro YAMADA, Youhei OONO, Yuichiro SEGAWA
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Publication number: 20200381181Abstract: A capacitor that includes a substrate having a main surface with at least one of a recess or a projection, a dielectric film extending along the at least one of the recess or the projection and having an equivalent oxide thickness of 600 nm or more, and a conductor film covering at least part of the dielectric film.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Inventors: Yasuhiro Murase, Tomoyuki Ashimine, Hiroshi Nakagawa
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Publication number: 20200348970Abstract: A management system includes a storage unit that stores schedule information that indicates schedules of a plurality of tasks to be performed by the same flight vehicle. The schedule information includes types of the plurality of tasks, date/times of the plurality of tasks, and locations at which the plurality of tasks are to be performed. When the types, the date/times, and the locations that are included in the schedule information stored in the storage unit satisfy an integration condition, an integration unit integrates the schedules of the plurality of tasks. An output unit outputs integrated schedule information indicating the schedules of the integrated tasks.Type: ApplicationFiled: January 16, 2019Publication date: November 5, 2020Applicant: NTT DOCOMO, INC.Inventors: Hiroshi Nakagawa, Kazuhiro Yamada, Youhei Oono, Yuichiro Segawa
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Publication number: 20200320460Abstract: An information processing apparatus includes an accumulation unit that accumulates history information regarding a flight history of an aircraft. A specification unit, based on the history information accumulated by the accumulation unit, specifies a candidate to be an operation assistant who assists an operation planned by an assisted operator. An output unit outputs information regarding the candidate to be the operation assistant specified by the specification unit.Type: ApplicationFiled: November 16, 2018Publication date: October 8, 2020Applicant: NTT DOCOMO, INC.Inventors: Hiroshi Nakagawa, Kazuhiro Yamada