Patents by Inventor Hiroshi Matsuda

Hiroshi Matsuda 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).

  • BICYCLE CONTROLLER
    Publication number: 20200017168
    Abstract: A bicycle controller controls a motor in accordance with the riding environment of a bicycle. The bicycle controller includes an electronic control unit that is configured to control a motor that assists in propulsion of a bicycle in accordance with a manual driving force. The electronic control unit is further configured to sets a response speed of the motor with respect to a change in the manual driving force for a case in which a vehicle speed of the bicycle is less than or equal to a first speed to be different from the response speed for a case in which the vehicle speed of the bicycle exceeds the first speed.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Inventors: Satoshi SHAHANA, Yasuhiro TSUCHIZAWA, Hiroshi MATSUDA
  • Ultrasonic device, ultrasonic probe, electronic equipment, and ultrasonic image device
    Patent number: 10524764
    Abstract: An ultrasonic device includes a base, a plurality of ultrasonic transducer elements, and a reinforcing body. The base defines a plurality of openings arranged in an array form. The ultrasonic transducer elements are arranged respectively corresponding to the openings with a plurality of vibration films being respectively provided for the ultrasonic transducer elements. The reinforcing body is fixed to the base in an area between adjacent ones of the vibration films when viewed in a plan view along a thickness direction of the base. The reinforcing body has Young's modulus greater than Young's modulus of the base.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: January 7, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Kanechika Kiyose, Hironori Suzuki, Hiroshi Matsuda
  • Ultrasonic device, ultrasonic probe, electronic equipment, and ultrasonic image device
    Patent number: 10517566
    Abstract: An ultrasonic device includes a base, a plurality of ultrasonic transducer elements, an acoustic adjustment layer, and a wall part. The ultrasonic transducer elements are arranged in an array form on the base, each of the ultrasonic transducer elements having a vibration film. The acoustic adjustment layer is disposed on each of the ultrasonic transducer elements. The wall part is arranged between adjacent ones of the ultrasonic transducer elements when viewed in a plan view along a thickness direction of the base such that the acoustic adjustment layer on the adjacent ones of the ultrasonic transducer elements are separated by the wall part in a range of at least a portion of a height of the acoustic adjustment layer measured from the base. The wall part has an acoustic impedance that is higher than an acoustic impedance of the acoustic adjustment layer.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: December 31, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Kanechika Kiyose, Hironori Suzuki, Hiroshi Matsuda
  • Bicycle controller
    Patent number: 10507886
    Abstract: A bicycle controller controls a motor in accordance with the riding environment of a bicycle. The bicycle controller includes an electronic control unit that is configured to control a motor, which assists pedaling of a bicycle in accordance with a manual driving force. The electronic control unit is further configured to change a response speed of the motor with respect to a change in the manual driving force in accordance with an inclination angle of the bicycle.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 17, 2019
    Assignee: Shimano Inc.
    Inventors: Satoshi Shahana, Yasuhiro Tsuchizawa, Hiroshi Matsuda
  • RESISTANCE SPOT WELDING METHOD
    Publication number: 20190344376
    Abstract: A resistance spot welding method of squeezing parts to be welded, which are a plurality of overlapping metal sheets, by a pair of electrodes and passing a current while applying an electrode force to join the parts to be welded comprises: a first step of passing a current by constant current control to form a fusion zone having a diameter of not less than 2?t, expressed in mm, between the metal sheets, where t, expressed in mm, is a sheet thickness of a thinnest metal sheet of the metal sheets; a second step of cooling the fusion zone to have a diameter of not greater than 80% of D, where D, expressed in mm, is a diameter of the fusion zone formed in the first step; and a third step of performing adaptive control welding by controlling a current passage amount according to a target that is set.
    Type: Application
    Filed: May 23, 2017
    Publication date: November 14, 2019
    Applicants: JFE STEEL CORPORATION, JFE STEEL CORPORATION
    Inventors: Chikaumi SAWANISHI, Hiroshi MATSUDA, Rinsei IKEDA
  • High-strength hot-dip galvanized steel sheet excellent in formability and method of producing same
    Patent number: 10450626
    Abstract: A high-strength hot-dip galvanized steel sheet excellent in formability includes, on the basis of mass percent, 0.05-0.3% C, 1.4% or less (including 0%) Si, 0.08%-3% Mn, 0.003-0.1% P, 0.07% or less S, 0.1-2.5% Al, 0.1-0.5% Cr, and 0.007% or less N, Si+Al?0.5%, and the balance being Fe and incidental impurities, wherein the steel sheet has a retained austenite content of 3% or more by volume fraction, a stretch-flange formability ?>50% and wherein the average aspect ratio (major axis/minor axis) of retained austenite grains is less than 2.5.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: October 22, 2019
    Assignee: JFE Steel Corporation
    Inventors: Hiroshi Matsuda, Tatsuya Nakagaito, Takayuki Futatsuka, Shusaku Takagi, Yasunobu Nagataki
  • HUMAN-POWERED VEHICLE CONTROL DEVICE
    Publication number: 20190291812
    Abstract: A human-powered vehicle control device includes an electronic controller configured to control a motor that assists in propulsion of a human-powered vehicle in accordance with a human driving force input to the human-powered vehicle. The electronic controller is configured to change a ratio of a power of the motor to a power of the human driving force and control the motor so that a change amount of the travel resistance differs from a change amount of the power of the motor upon determining a travel resistance of the human-powered vehicle has changed.
    Type: Application
    Filed: March 14, 2019
    Publication date: September 26, 2019
    Inventors: Yasuhiro TSUCHIZAWA, Hiroshi MATSUDA
  • Bicycle controller
    Patent number: 10421519
    Abstract: A bicycle controller includes an electronic control unit controlling output of a motor that assists in propelling of a bicycle based on a manual driving force input to the bicycle. The electronic control unit further configured to control the motor in any one of operation modes including first, second and another operation modes, which control the output of the motor based on the manual driving force. The other operation mode excludes the first and second operation modes. In the first operation mode, the upper limit of output torque of the motor is a first value. In the second operation mode, the upper limit of output torque of the motor is a second value, which is 1.5 times or more than the first value. In the other operation mode, the upper limit of the output torque of the motor is the first value or less, or the second value or greater.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: September 24, 2019
    Assignee: Shimano Inc.
    Inventors: Yasuhiro Tsuchizawa, Hiroshi Matsuda, Kazuhiro Fujii, Satoshi Shahana
  • ORTHOTIC APPLIANCE
    Publication number: 20190282388
    Abstract: Provided is an device for stabilizing the center of gravity and/or correcting distortion of the body simply through wearing of the appliance on a toe and conducting normal activities. The following invention is provided by the present invention. A cylindrical correction device that corrects distortion of the body, wherein: the correction device has inward-facing triangular-prism-shaped protrusions on the inner circumference; the triangles are inclined in one direction with respect to the circumference; and the correction device comprises a cylindrical elastic material having a diameter of 7-20 mm, a width of 5-10 mm, a thickness of 1-3 mm, and a hardness of 4-6.
    Type: Application
    Filed: October 2, 2017
    Publication date: September 19, 2019
    Inventor: Hiroshi MATSUDA
  • Piezoelectric element, method of forming piezoelectric element, and ultrasonic device
    Patent number: 10396271
    Abstract: A piezoelectric element includes a piezoelectric body that is provided on a substrate and includes multiple sides; a first wiring that is provided from the piezoelectric body to the substrate; and a second wiring that is provided from the piezoelectric body to the substrate. When the piezoelectric element is viewed from a thickness direction of the piezoelectric body, a second side and a fourth side on which the piezoelectric body is superimposed on the first wiring are different from a first side and a third side on which the second wiring is superimposed on the piezoelectric body.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: August 27, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Hiroshi Matsuda
  • Impact load reduction structure
    Patent number: 10384720
    Abstract: An impact load reduction includes: a crash area that is disposed in a front section of the electrically-powered vehicle and configured to deform at a collision; a battery frame that is disposed rearward of the crash area and fixed to a vehicle body frame of the electrically-powered vehicle, the battery frame being configured to support the battery and be engaged with the vehicle body frame in accordance with an inertia force of the collision to be supported from frontward; a load reduction frame that extends in a front-rear direction on a front side of the battery frame and that is disposed in a substantially same plane as the battery frame, the load reduction frame having lower rigidity than the battery frame; and a load absorber that is disposed between the load reduction frame and the battery frame and that has lower rigidity than the battery frame.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: August 20, 2019
    Assignee: SUBARU CORPORATION
    Inventors: Takehisa Tsukada, Hiroshi Matsuda
  • GAS-SHIELDED ARC WELDING METHOD AND METHOD FOR MANUFACTURING WELDED STRUCTURE
    Publication number: 20190232417
    Abstract: A gas-shielded arc welding method includes welding a steel plate having a tensile strength of 780 MPa or more while feeding a consumable electrode via a welding torch and flowing a shielding gas. The consumable electrode includes, in mass %, C: 0 to 0.20%, Si: 0 to 0.50%, Mn: 0 to 0.50%, Cr: 1.00% to 9.00%, S: 0.0020% to 0.0600%, and Ni: 0 to 0.50%. The shielding gas includes, in vol. %, at least one of CO2 and O2: 1% to 15% in total, with the remainder being Ar and unavoidable impurities. Welding is performed under the condition satisfying the relationship of 1?{?0.05×[CO2+O2]}+[Cr]?8.3, and [Cr] represents the content of Cr in the consumable electrode, and [CO2+O2] represents a total content of at least one of CO2 and O2 in the shielding gas.
    Type: Application
    Filed: June 19, 2017
    Publication date: August 1, 2019
    Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), JFE Steel Corporation
    Inventors: Minoru MIYATA, Reiichi SUZUKI, Hiroshi MATSUDA, Rinsei IKEDA, Sachiko SUZUKI, Satoru ANDO
  • TOILET DEVICE
    Publication number: 20190203455
    Abstract: The toilet device is provided with a toilet device including a relay coil that has a first coil connected to one end of a connecting line and a second coil connected to the other end of the connecting line and a power reception coil. The first coil is configured to output the power received from a power supply coil by utilizing magnetic resonance to the second coil via the connecting line. The second coil is configured to supply the power received via the connecting line to the power reception coil by utilizing magnetic resonance.
    Type: Application
    Filed: March 9, 2017
    Publication date: July 4, 2019
    Applicant: LIXIL Corporation
    Inventors: Hiroshi MATSUDA, Naohisa OOTA, Shunsuke TAKAHASHI
  • AUTOMOTIVE MEMBER HAVING RESISTANCE WELD
    Publication number: 20190201999
    Abstract: Provided is an automotive member, or particularly, a steel sheet having a tensile strength exceeding 900 MPa. The automotive member has a resistance weld for fixing two or more steel sheets containing a predetermined composition, in which a maximum hardness (HVBM) in a heat-affected zone of the resistance weld is at least 1.1 times hardness (HVW) of a nugget in the resistance weld formed in a softest steel sheet of a sheet set during resistance welding, and furthermore, an average grain size of a steel sheet structure of the heat-affected zone within 2 mm in a direction at a right angle to a sheet thickness from an end part of the nugget of the high-strength steel sheet is 3 ?m or less, and a minimum hardness (HVmin) in the heat-affected zone is at least 90% of hardness (HV?) of the high-strength steel sheet before the resistance welding.
    Type: Application
    Filed: August 21, 2017
    Publication date: July 4, 2019
    Applicant: JFE Steel Corporation
    Inventors: Katsutoshi Takashima, Hiroshi Matsuda, Rinsei Ikeda, Yoshiyasu Kawasaki
  • HIGH-STRENGTH COLD ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE SAME
    Publication number: 20190203315
    Abstract: A high-strength cold rolled steel sheet having a specified chemical composition and a method for producing the same. The steel sheet having a microstructure including, in terms of volume fraction, 35% or less of ferrite, 1% or more and 10% or less of retained austenite, 2% or more and 12% or less of as-quenched martensite, and a total of 25% to 70% of bainite and tempered martensite. The microstructure has an average crystal grain diameter of the ferrite: 5.0 ?m or less, an average crystal grain diameter of the retained austenite: 2.0 ?m or less, an average crystal grain diameter of the as-quenched martensite: 3.0 ?tm or less, an average crystal grain diameter of the bainite and the tempered martensite phase: 4.0 ?m or less, and an average intergrain distance of the as-quenched martensite of 1.0 ?m or more.
    Type: Application
    Filed: August 29, 2017
    Publication date: July 4, 2019
    Applicant: JFE Steel Corporation
    Inventors: Yoshie OBATA, Katsutoshi TAKASHIMA, Takashi KOBAYASHI, Hiroshi MATSUDA
  • BICYCLE SEATPOST ASSEMBLY
    Publication number: 20190193801
    Abstract: A bicycle seatpost system comprises an electric actuator, a remote controller, and a seatpost controller. The electric actuator is to change a state of a bicycle seatpost assembly between a lock state where a total length of the bicycle seatpost assembly is invariable, and an adjustable state where the total length of the bicycle seatpost assembly is variable. The remote controller is configured to transmit a first control signal and a second control signal different from the first control signal. The seatpost controller is configured to control the electric actuator to change the state of the bicycle seatpost assembly to the adjustable state based on one of the first control signal and the second control signal.
    Type: Application
    Filed: December 21, 2017
    Publication date: June 27, 2019
    Applicant: SHIMANO INC.
    Inventors: Nobukatsu HARA, Hiroshi MATSUDA
  • BICYCLE SEATPOST ASSEMBLY
    Publication number: 20190193802
    Abstract: A bicycle seatpost assembly comprises an electric actuator and a seatpost controller. The electric actuator is to change a state of the bicycle seatpost assembly between a lock state where a total length of the bicycle seatpost assembly is invariable, and an adjustable state where the total length of the bicycle seatpost assembly is variable. The seatpost controller is configured to control the electric actuator to maintain the adjustable state during an adjustment period selectable from a plurality of predetermined adjustment periods.
    Type: Application
    Filed: December 21, 2017
    Publication date: June 27, 2019
    Applicant: SHIMANO INC.
    Inventors: Nobukatsu HARA, Hiroshi MATSUDA
  • Therapeutic or prophylactic agent for retinopathy of prematurity, testing method for retinopathy of prematurity, and screening method for therapeutic or prophylactic substance for retinopathy of prematurity
    Patent number: 10330670
    Abstract: Provided are a therapeutic or prophylactic agent for retinopathy of prematurity (ROP) that is suited to the pathogenic mechanism of ROP and a method of testing for ROP. The therapeutic or prophylactic agent for ROP uses at least one substance from the group consisting of inhibitors against tryptase derived from mast cells and/or mast cell stabilizers as an active ingredient. The testing method for ROP includes detecting a marker substance that can be released by degranulation of mast cells in a biological sample originating from a patient and determining the presence or absence of ROP on the basis of the detected amount of the marker.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: June 25, 2019
    Assignees: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY, JAPAN INNOVATION THERAPEUTICS, INC.
    Inventors: Hiroshi Matsuda, Akane Tanaka
  • HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME
    Publication number: 20190161822
    Abstract: A high-strength steel sheet having a specified chemical composition and a method for producing the same. The steel sheet including a multi-phase structure including, by volume fraction, ferrite of 35% to 65%, residual austenite of 7% or less (including 0%), martensite of 20% to 60%, bainite of 20% or less (including 0%), the ferrite having an average crystal grain size of 8 ?m or less and an average aspect ratio of 3.5 or less, the martensite having an average crystal grain size of 3 ?m or less, and the bainite having an average crystal grain size of 3 ?m or less when contained. A standard deviation of Vickers hardness of the steel sheet being 30 or less when measured at 200 ?m intervals from a position of 100 ?m from a surface to a central portion in a thickness direction of the sheet.
    Type: Application
    Filed: August 10, 2017
    Publication date: May 30, 2019
    Applicant: JFE STEEL CORPORATION
    Inventors: Katsutoshi TAKASHIMA, Koichi TANIGUCHI, Takashi KOBAYASHI, Hiroshi MATSUDA, Rinsei IKEDA
  • ULTRASONIC TRANSDUCER, ULTRASONIC ARRAY, ULTRASONIC MODULE, ULTRASONIC PROBE, AND ULTRASONIC APPARATUS
    Publication number: 20190151898
    Abstract: An ultrasonic transducer includes: a flexible film; and a piezoelectric element provided on the flexible film. The piezoelectric element includes a piezoelectric body and a first electrode, a second electrode, a third electrode, and a fourth electrode in contact with the piezoelectric body. The first electrode and the second electrode are separated from each other with the piezoelectric body interposed between the first electrode and the second electrode and overlapping each other in plan view. The third electrode and the fourth electrode are separated from each other with the piezoelectric body interposed between the third electrode and the fourth electrode and overlapping each other in the plan view. The first electrode and the third electrode are separated from each other in the plan view, and the second electrode and the fourth electrode are separated from each other in the plan view.
    Type: Application
    Filed: March 30, 2017
    Publication date: May 23, 2019
    Inventor: Hiroshi MATSUDA