Patents by Inventor Hiroyuki Isegawa

Hiroyuki Isegawa 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).

  • Patent number: 10864891
    Abstract: A detecting section detecting a change in a monitoring target of a monitoring device; and an operation mode deciding section deciding an operation mode of the device according to a detail of the change in the monitoring target detected by the detecting section are included. The device may have a work instrument for executing a second work different from a first work selected from a group of monitoring, security and guard works for the monitoring target. The operation mode deciding section may have: an alert level deciding section deciding an alert level indicating a level of threat to the monitoring target, according to the detail of the change in the monitoring target detected by the detecting section; and a second operation mode deciding section deciding a second operation mode indicating an operation detail about the second work, according to the alert level decided by the alert level deciding section.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: December 15, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Satoshi Haneda, Takamasa Udagawa, Makoto Yamamura, Masato Fujiwara, Ryuichi Kimata, Satoshi Onodera, Yutaka Tsuji, Hiroyuki Isegawa
  • Publication number: 20190333214
    Abstract: An information processing device includes: an image acquiring section that acquires image data of an image of a plant; a form recognizing section that recognizes at least either (i) a shape of the plant or (ii) an end portion of the plant, based on the image data acquired by the image acquiring section; and a deciding section that decides at least one of (a) a level of water content in a medium of the plant, (b) whether water-supply to the plant is necessary or not, and (c) an amount of water-supply to the plant, based on a feature of at least either the shape of the plant or the end portion of the plant that is recognized by the form recognizing section.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 31, 2019
    Inventors: Satoshi HANEDA, Takamasa UDAGAWA, Makoto YAMAMURA, Masato FUJIWARA, Ryuichi KIMATA, Satoshi ONODERA, Yutaka TSUJI, Hiroyuki ISEGAWA
  • Publication number: 20190320580
    Abstract: A work machine having an autonomous travel function may include: a cutting section that cuts a work target of the work machine; an image-capturing section that captures an image of the work target cut by the cutting section; and a judging section that judges a state of the cutting section based on the image captured by the image-capturing section. The judging section may judge whether maintenance of or a check on the cutting section is necessary or not based on a result of judgment about the state of the cutting section.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 24, 2019
    Inventors: Satoshi HANEDA, Takamasa UDAGAWA, Makoto YAMAMURA, Masato FUJIWARA, Ryuichi KIMATA, Satoshi ONODERA, Yutaka TSUJI, Hiroyuki ISEGAWA
  • Publication number: 20190315314
    Abstract: A detecting section detecting a change in a monitoring target of a monitoring device; and an operation mode deciding section deciding an operation mode of the device according to a detail of the change in the monitoring target detected by the detecting section are included. The device may have a work instrument for executing a second work different from a first work selected from a group of monitoring, security and guard works for the monitoring target. The operation mode deciding section may have: an alert level deciding section deciding an alert level indicating a level of threat to the monitoring target, according to the detail of the change in the monitoring target detected by the detecting section; and a second operation mode deciding section deciding a second operation mode indicating an operation detail about the second work, according to the alert level decided by the alert level deciding section.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Satoshi HANEDA, Takamasa UDAGAWA, Makoto YAMAMURA, Masato FUJIWARA, Ryuichi KIMATA, Satoshi ONODERA, Yutaka TSUJI, Hiroyuki ISEGAWA
  • Publication number: 20190313576
    Abstract: A control device includes: an image acquiring section that acquires image data of an image of a work target of the work machine; a feature recognizing section that recognizes a feature about at least one of (i) a type of the work target of the work machine, (ii) a number or density of the work target, (iii) a shape of the work target and (iv) an appearance of the work target after work, based on the image data acquired by the image acquiring section; and a control parameter deciding section that decides at least either (i) a parameter for controlling travel of the work machine or (ii) a parameter for controlling work of the work machine, based on the feature recognized by the feature recognizing section.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Satoshi HANEDA, Takamasa UDAGAWA, Makoto YAMAMURA, Masato FUJIWARA, Ryuichi KIMATA, Satoshi ONODERA, Yutaka TSUJI, Hiroyuki ISEGAWA
  • Patent number: 9919701
    Abstract: The present invention provides a hybrid vehicle driving system in which quick response and improvement in fuel economy are compatible. A hybrid vehicle driving system 1 of the invention includes a cylinder deactivated operation necessity determination unit for determining the necessity of a cylinder deactivated operation of an engine 6 when a required driving force required on a vehicle is smaller than a driving force of the engine 6 that runs in the cylinder deactivated operation. When the cylinder deactivated operation is determined to be unnecessary by the cylinder deactivated operation necessity determination unit, the vehicle can be driven in an EV driving by disengaging a first clutch 41 and a second clutch 42, whereas when the cylinder deactivated operation is determined to be necessary by the cylinder deactivated operation necessity determination unit, the engine 6 runs in the cylinder deactivated operation and at least one of the first clutch 42 and the second clutch 42 is engaged.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: March 20, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Shigetaka Kuroda, Atsushi Hagihara, Hiroyuki Isegawa
  • Publication number: 20150336561
    Abstract: The present invention provides a hybrid vehicle driving system in which quick response and improvement in fuel economy are compatible. A hybrid vehicle driving system 1 of the invention includes a cylinder deactivated operation necessity determination unit for determining the necessity of a cylinder deactivated operation of an engine 6 when a required driving force required on a vehicle is smaller than a driving force of the engine 6 that runs in the cylinder deactivated operation. When the cylinder deactivated operation is determined to be unnecessary by the cylinder deactivated operation necessity determination unit, the vehicle can be driven in an EV driving by disengaging a first clutch 41 and a second clutch 42, whereas when the cylinder deactivated operation is determined to be necessary by the cylinder deactivated operation necessity determination unit, the engine 6 runs in the cylinder deactivated operation and at least one of the first clutch 42 and the second clutch 42 is engaged.
    Type: Application
    Filed: June 3, 2015
    Publication date: November 26, 2015
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Shigetaka Kuroda, Atsushi Hagihara, Hiroyuki Isegawa
  • Patent number: 9073546
    Abstract: A hybrid vehicle driving system 1 of the invention includes a cylinder deactivated operation necessity determination unit for determining the necessity of a cylinder deactivated operation of an engine 6 when a required driving force required on a vehicle is smaller than a driving force of the engine 6 that runs in the cylinder deactivated operation. When the cylinder deactivated operation is determined to be unnecessary by the cylinder deactivated operation necessity determination unit, the vehicle can be driven in an EV driving by disengaging a first clutch 41 and a second clutch 42, whereas when the cylinder deactivated operation is determined to be necessary by the cylinder deactivated operation necessity determination unit, the engine 6 runs in the cylinder deactivated operation and at least one of the first clutch 42 and the second clutch 42 is engaged.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: July 7, 2015
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Shigetaka Kuroda, Atsushi Hagihara, Hiroyuki Isegawa
  • Publication number: 20130096761
    Abstract: A hybrid vehicle driving system 1 of the invention includes a cylinder deactivated operation necessity determination unit for determining the necessity of a cylinder deactivated operation of an engine 6 when a required driving force required on a vehicle is smaller than a driving force of the engine 6 that runs in the cylinder deactivated operation. When the cylinder deactivated operation is determined to be unnecessary by the cylinder deactivated operation necessity determination unit, the vehicle can be driven in an EV driving by disengaging a first clutch 41 and a second clutch 42, whereas when the cylinder deactivated operation is determined to be necessary by the cylinder deactivated operation necessity determination unit, the engine 6 runs in the cylinder deactivated operation and at least one of the first clutch 42 and the second clutch 42 is engaged.
    Type: Application
    Filed: June 15, 2011
    Publication date: April 18, 2013
    Applicant: Honda Motor Co., Ltd.
    Inventors: Shigetaka Kuroda, Atsushi Hagihara, Hiroyuki Isegawa
  • Patent number: 7804261
    Abstract: A motor control method that includes the steps of: rotationally driving a motor that is provided with a rotor having permanent magnet pieces, and a stator; and short circuiting a plurality of phases of the motor when the rotational frequency of the motor is equal to or greater than a predetermined rotational frequency.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: September 28, 2010
    Assignee: Honda Motor Co., Ltd
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa
  • Patent number: 7755314
    Abstract: An electric-motor-equipped vehicle of the present invention includes an electric motor which receives a power supply from a storage apparatus and drives the vehicle, or assists a driving of the vehicle by an internal combustion engine. The electric motor includes: an inner circumference side rotor and an outer circumference side rotor which are each provided with magnet pieces, and rotation axes of which are coaxially arranged; a stator which is arranged on an outer circumferential side or an inner circumferential side of the inner circumference side rotor and the outer circumference side rotor; and a phase modification device capable of modifying a relative phase between the inner circumference side rotor and the outer circumference side rotor.
    Type: Grant
    Filed: February 19, 2007
    Date of Patent: July 13, 2010
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa, Hiromitsu Sato, Masaaki Kaizuka, Shoei Abe
  • Patent number: 7741792
    Abstract: A motor control device includes: a motor that has a plurality of rotors which respectively have a magnetic piece, which drives or supplementarily drives a vehicle; a phase changing mechanism that changes relative phases of the plurality of rotors, and sets these to a predetermined induced voltage constant; and a speed control device that controls a phase changing speed of the phase changing mechanism.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: June 22, 2010
    Assignee: Honda Motor Co., Ltd.
    Inventors: Naoki Fujishiro, Hirofumi Atarashi, Hiroyuki Isegawa
  • Patent number: 7737595
    Abstract: A hybrid vehicle implements a required traveling condition by generating a required driving force necessary to drive the vehicle even in the case where a supply source of a working fluid develops a malfunction. The hybrid vehicle is equipped with a motor which changes the phase difference between two rotors and an engaging/disengaging device which turns on/off the supply of a driving force of an internal combustion engine, the motor and the engaging/disengaging device being driven by a working fluid.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: June 15, 2010
    Assignee: Honda Motor Co., Ltd.
    Inventors: Daisuke Tsutsumi, Hiroyuki Isegawa, Yutaka Isogai, Masashi Tanaka, Naoki Fujishiro
  • Publication number: 20100141075
    Abstract: An axial gap motor, including: a rotor having permanent magnet pieces; and a pair of stators that are oppositely arranged so as to sandwich the rotor in a rotation axis direction thereof, wherein: the rotor includes magnetic material pieces that are arranged along a circumferential direction thereof in a manner alternating with the permanent magnet pieces; the permanent magnet pieces have a magnetization direction in parallel with the rotation axis direction, with N poles thereof opposed to the stator on one side in the rotation axis direction, and with S poles thereof opposed to the stator on the other side in the rotation axis direction; and each of the magnetic material pieces includes magnetic material piece penetration portions that penetrate in a direction parallel to the rotation axis direction.
    Type: Application
    Filed: October 29, 2007
    Publication date: June 10, 2010
    Applicant: Honda Motor Co., Ltd
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa, Shoei Abe, Keiichi Yamamoto, Shigeru Tajima
  • Patent number: 7615948
    Abstract: A controller for a motor and a control method for a motor change an operating condition of each motor, considering difference in operating conditions, such as loss and temperature, thus making it possible to reduce a total loss in a plurality of motors. The controller includes a first motor operating condition calculator and a second motor operating condition calculator which calculate the estimated values of losses incurred when a first motor and a second motor are driven, and a DC voltage control unit which carries out, on a motor having a largest estimated value of loss, the processing for changing a supply voltage to change the voltage of DC power supplied to inverters by a DC/DC converter, thereby reducing the difference between a phase voltage, which is the resultant vector of the voltages across terminals of the motor, and a target voltage set on the basis of an output voltage of the DC/DC converter.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: November 10, 2009
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa, Masaaki Kaizuka, Masanari Fukuchi
  • Patent number: 7583048
    Abstract: A controller for a motor carries out field weakening control by using a simple construction to change the phase difference between two rotors, which are disposed around a rotating shaft, without depending on the number of revolutions of a motor. The controller for a motor includes a field weakening current calculator for calculating a field weakening current command value on the basis of the radius of a target voltage circle, a d-axis voltage command value, and a q-axis voltage command value, a rotor phase difference command value determiner for determining a command value of a rotor phase difference on the basis of the field weakening current command value, and a current command value determiner for determining a d-axis current command value and a q-axis current command value on the basis of the rotor phase difference command value and a torque command value.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: September 1, 2009
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa, Tamotsu Kawamura
  • Patent number: 7548038
    Abstract: A controller for a motor is capable of reducing the amount of energization required to operate a motor under a predetermined condition, the motor having two rotors disposed around a rotating shaft.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: June 16, 2009
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa
  • Patent number: 7538510
    Abstract: A controller for a motor permits efficient energization control according to an operating condition of a motor without depending on a number of revolutions of the motor when operating a motor having two rotors disposed around a rotating shaft. The controller includes a voltage-between-terminals increaser which carries out at least one of first processing for increasing a voltage between terminals in which a rotor phase difference is changed by an actuator in a direction for reducing the magnetic fluxes of fields of the motor, second processing for increasing a voltage between terminals in which an output voltage of a DC power source is increased by a DC/DC converter, and third processing for increasing a voltage between terminals in which d-axis current is increased in the case where the magnitude of a resultant vector of a command value of a d-axis voltage and a command value of a q-axis voltage in the motor exceeds the radius of a target voltage circle.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: May 26, 2009
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa
  • Publication number: 20090096307
    Abstract: A hybrid vehicle implements a required traveling condition by generating a required driving force necessary to drive the vehicle even in the case where a supply source of a working fluid develops a malfunction. The hybrid vehicle is equipped with a motor which changes the phase difference between two rotors and an engaging/disengaging device which turns on/off the supply of a driving force of an internal combustion engine, the motor and the engaging/disengaging device being driven by a working fluid.
    Type: Application
    Filed: October 8, 2008
    Publication date: April 16, 2009
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Daisuke TSUTSUMI, Hiroyuki ISEGAWA, Yutaka ISOGAI, Masashi TANAKA, Naoki FUJISHIRO
  • Publication number: 20090001914
    Abstract: An electric-motor-equipped vehicle of the present invention includes an electric motor which receives a power supply from a storage apparatus and drives the vehicle, or assists a driving of the vehicle by an internal combustion engine. The electric motor includes: an inner circumference side rotor and an outer circumference side rotor which are each provided with magnet pieces, and rotation axes of which are coaxially arranged; a stator which is arranged on an outer circumferential side or an inner circumferential side of the inner circumference side rotor and the outer circumference side rotor; and a phase modification device capable of modifying a relative phase between the inner circumference side rotor and the outer circumference side rotor.
    Type: Application
    Filed: February 19, 2007
    Publication date: January 1, 2009
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hirofumi Atarashi, Hiroyuki Isegawa, Hiromitsu Sato, Masaaki Kaizuka, Shoei Abe