Patents by Inventor Hiroyuki Gotou

Hiroyuki Gotou 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: 10112643
    Abstract: An electric power steering device includes a phase advance correction unit configured to advance a phase of a steering torque signal detected by a torque sensor detecting a steering torque input from a steering wheel, a specific frequency extraction unit configured to extract a component in a specific frequency band out of the steering torque signal detected by the torque sensor, a gain multiplication unit configured to correct a steering torque signal computed on the basis of an output signal of the phase advance correction unit and an output signal of the specific frequency extraction unit such that the steering torque signal reaches a limit value set by a limiter by multiplying the steering torque signal by a gain, and an addition unit configured to add an assist correction command value calculated on the basis of an output signal output from the gain multiplication unit to the assist command value.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: October 30, 2018
    Assignee: KYB Corporation
    Inventors: Hiroyuki Gotou, Noboru Yoshida, Kenji Nishikubo, Yuichiro Okamoto, Kouichi Yamashina
  • Patent number: 10106191
    Abstract: An electric power steering device includes a basic return command value calculation unit configured to calculate a basic return command value in a direction to return a steering wheel to a neutral position on the basis of a steering angle of a steering wheel, a turn/return determination unit configured to determine the turn and the return of the steering wheel, a gradually changing return command value calculation unit configured to calculate a gradually changing return command value, the gradually changing return command value gradually increasing, while the return of the steering wheel is determined by the turn/return determination unit, and a return command value calculation unit configured to calculate a return command value by adding the gradually changing return command value to the basic return command value. The electric motor is driven by adding the return command value to the assist command value.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: October 23, 2018
    Assignee: KYB Corporation
    Inventors: Hiroyuki Gotou, Noboru Yoshida, Yuichiro Okamoto, Nobuyuki Kimura, Takayuki Nagase, Kazuma Yamazaki
  • Patent number: 10029726
    Abstract: A electric power steering device includes a basic return command value calculation unit configured to calculate a basic return command value in a direction to return a steering wheel to a neutral position on the basis of a steering angle of the steering wheel, a return command value calculation unit configured to calculate a return command value by correcting the basic return command value by the first correction gain, and an opposite return command value calculation unit configured to calculate an opposite return command value in a direction not to return the steering wheel to the neutral position on the basis of an angular acceleration of an electric motor. A correction return command value is calculated on the basis of the return command value and the opposite return command value and the electric motor is driven by adding the correction return command value to the assist command value.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: July 24, 2018
    Assignee: KYB Corporation
    Inventors: Hiroyuki Gotou, Hisazumi Ishikawa, Kazuhiro Sasaki, Yuichiro Okamoto, Nobuyuki Kimura, Takayuki Nagase, Kazuma Yamazaki
  • Publication number: 20170166246
    Abstract: A electric power steering device includes a basic return command value calculation unit configured to calculate a basic return command value in a direction to return a steering wheel to a neutral position on the basis of a steering angle of the steering wheel, a return command value calculation unit configured to calculate a return command value by correcting the basic return command value by the first correction gain, and an opposite return command value calculation unit configured to calculate an opposite return command value in a direction not to return the steering wheel to the neutral position on the basis of an angular acceleration of an electric motor. A correction return command value is calculated on the basis of the return command value and the opposite return command value and the electric motor is driven by adding the correction return command value to the assist command value.
    Type: Application
    Filed: February 4, 2015
    Publication date: June 15, 2017
    Inventors: Hiroyuki GOTOU, Hisazumi ISHIKAWA, Kazuhiro SASAKI, Yuichiro OKAMOTO, Nobuyuki KIMURA, Takayuki NAGASE, Kazuma YAMAZAKI
  • Publication number: 20170166247
    Abstract: An electric power steering device includes a phase advance correction unit configured to advance a phase of a steering torque signal detected by a torque sensor detecting a steering torque input from a steering wheel, a specific frequency extraction unit configured to extract a component in a specific frequency band out of the steering torque signal detected by the torque sensor, a gain multiplication unit configured to correct a steering torque signal computed on the basis of an output signal of the phase advance correction unit and an output signal of the specific frequency extraction unit such that the steering torque signal reaches a limit value set by a limiter by multiplying the steering torque signal by a gain, and an addition unit configured to add an assist correction command value calculated on the basis of an output signal output from the gain multiplication unit to the assist command value.
    Type: Application
    Filed: February 4, 2015
    Publication date: June 15, 2017
    Inventors: Hiroyuki GOTOU, Noboru YOSHIDA, Kenji NISHIKUBO, Yuichiro OKAMOTO, Kouichi YAMASHINA
  • Publication number: 20160347358
    Abstract: An electric power steering device for driving an electric motor 10 using an assist command value calculated on the basis of a detection result of a torque sensor 12 for detecting a steering torque to reduce a left/right difference of a remaining steering angle of a steering wheel, the electric power steering device including a basic return command value calculation unit 20 configured to calculate a basic return command value in a direction to return the steering wheel to a neutral position on the basis of a steering angle of the steering wheel, a turn/return determination unit 40 configured to determine the turn and the return of the steering wheel, a gradually changing return command value calculation unit 41 configured to calculate a gradually changing return command value, the gradually changing return command value gradually increasing, while the return of the steering wheel is determined by the turn/return determination unit, and a return command value calculation unit 50 configured to calculate a return
    Type: Application
    Filed: February 4, 2015
    Publication date: December 1, 2016
    Inventors: Hiroyuki GOTOU, Noboru YOSHIDA, Yuichiro OKAMOTO, Nobuyuki KIMURA, Takayuki NAGASE, Kazuma YAMAZAKI
  • Patent number: 9481392
    Abstract: An electric power steering device includes a basic return command value calculation unit configured to calculate a basic return command value in a direction returning the steering wheel to a neutral position, on the basis of detection results of a steering angle detector detecting a steering angle of the steering wheel, a first correction gain calculation unit configured to calculate a first correction gain correcting the basic return command value, on the basis of detection results of a vehicle speed detector detecting vehicle speed, and a second correction gain calculation unit configured to calculate a second correction gain correcting the basic return command value, on the basis of a change amount of the steering torque detected by the torque sensor. The basic return command value is corrected by the first and second correction gains so as to calculate a return command value. The return command value is added to the assist command value so as to drive the electric motor.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: November 1, 2016
    Assignees: KYB Corporation, FUJI HEAVY INDUSTRIES LTD.
    Inventors: Hiroyuki Gotou, Kazuhiro Sasaki, Yuichiro Okamoto, Kazuma Yamazaki
  • Publication number: 20160144889
    Abstract: An electric power steering device includes a basic return command value calculation unit configured to calculate a basic return command value in a direction returning the steering wheel to a neutral position, on the basis of detection results of a steering angle detector detecting a steering angle of the steering wheel, a first correction gain calculation unit configured to calculate a first correction gain correcting the basic return command value, on the basis of detection results of a vehicle speed detector detecting vehicle speed, and a second correction gain calculation unit configured to calculate a second correction gain correcting the basic return command value, on the basis of a change amount of the steering torque detected by the torque sensor. The basic return command value is corrected by the first and second correction gains so as to calculate a return command value. The return command value is added to the assist command value so as to drive the electric motor.
    Type: Application
    Filed: June 4, 2014
    Publication date: May 26, 2016
    Inventors: Hiroyuki GOTOU, Kazuhiro SASAKI, Yuichiro OKAMOTO, Kazuma YAMAZAKI
  • Patent number: 8728353
    Abstract: An electrically conductive composition capable of making specific volume resistivity control easier, is a carbonaceous material produced by burning plant material including soybean hulls, rapeseed meal, sesame meal, cotton seed meal, cotton hulls, rice hulls, rice bran, soybean chaffs, rice straws, cereal hulls or the like by adjusting any of the carbon content, burning temperature and median diameter. The burned and carbonized plant material is ground and sieved to give a median diameter of approx. 80 ?m or below. The burned plant material is obtained by burning at a temperature of 700° C. or higher.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: May 20, 2014
    Assignee: Asahi Organic Chemicals Industry Co., Ltd.
    Inventors: Hiroyuki Gotou, Go Shinohara, Noriyasu Kuno, Hiroshi Iizuka, Takehiko Takahashi, Takeshi Takahashi
  • Publication number: 20130153828
    Abstract: PROBLEM To effectively utilize plant residue such as soybean hulls, rapeseed meal, rice bran, rice husk, and cacao husk. SOLUTION When forming sheet material from a mixture of burned plant material and fibrous material by a wet-process sheet production method, the burned plant material is one of a burned material of rice husk, a burned material of rice bran, a burned material of soybean hulls, a burned material of inner skin of peanut, a burned material of conduit side wall portion of seed plant or a burned material of cacao husk, and the fibrous material is one of a organic fiber derived from thermoplastic resin including polyolefin consisting of polyethylene and polypropylene, polyester, polyamide, vinyl chloride, polyacrylonitrile, polyvinyl chloride and aramid, a fiber derived from thermosetting resin including kynol, a natural fiber including cotton, wool, etc.
    Type: Application
    Filed: August 29, 2011
    Publication date: June 20, 2013
    Applicants: THE NISSHIN OILLIO GROUP, LTD., ASAHI ORGANIC CHEMICALS INDUSTRY CO., LTD.
    Inventors: Toshihiko Kaneiwa, Takehiko Takahashi, Takeshi Takahashi, Hiroyuki Gotou, Go Shinohara, Noriyasu Kuno, Hiroshi Iizuka
  • Publication number: 20120318176
    Abstract: A cacao husk can be effectively used. A member comprises a burned material of cacao husk and a base material, and is sieved so that the median diameter of the burned material of cacao husk becomes approx. 85 ?m or below. The member functions as a heat conducting material, an electromagnetic shielding member, etc. The content ratio of burned material of cacao husk against the base material can be determined according to the frequency band of the electromagnetic waves to be shielded. In addition, the base material can be one of rubber, paint and cement.
    Type: Application
    Filed: March 24, 2011
    Publication date: December 20, 2012
    Applicant: THE NISSHIN OILLIO GROUP, LTD.
    Inventors: Hiroyuki Gotou, Go Shinohara, Noriyasu Kuno
  • Publication number: 20120286195
    Abstract: Provided is a heat conducting member using a heat conducting material that has been developed so as to retain the same heat conductivity as that of a conventional product without using silicone rubber. The heat conducting member comprises a base material formed from any of rubber, resin, paint or cement and, contained in the base material, a burned plant material selected from any of soybean hulls, rapeseed meal, sesame meal, cotton seed meal, cotton hulls, soybean chaffs, and cacao husk, and is produced by controlling at least one of the content ratio of burned plant material against the base material or the temperature at which the plant material is burned.
    Type: Application
    Filed: January 25, 2011
    Publication date: November 15, 2012
    Applicant: THE NISSHIN OILLIO GROUP, LTD.
    Inventors: Hiroyuki Gotou, Go Shinohara, Noriyasu Kuno
  • Publication number: 20110180749
    Abstract: Disclosed is a lithium ion battery that can easily be manufactured and comprises a negative-electrode active material formed of a burned product of any of soybean hulls, rapeseed meal, cotton hulls, sesame, and cotton seeds. The burned product of any of the soybean hulls, rapeseed meal, cotton hulls, sesame, and cotton seeds is ground to obtain a negative-electrode active material having a carbon content of not less than 70%. The inner skin of the burned product has a net-like structure. The negative-electrode active material is coated onto the both sides of a metal foil to manufacture a negative electrode for a lithium ion battery. A lithium ion battery using the negative electrode is then manufactured.
    Type: Application
    Filed: September 28, 2009
    Publication date: July 28, 2011
    Applicant: THE NISSHIN OILLIO GROUP, LTD.
    Inventors: Hiroyuki Gotou, Akinori Saeki
  • Publication number: 20110175037
    Abstract: Provided is an electrically conductive composition capable of making specific volume resistivity control easier, which can be produced by using a carbonaceous material comprising a burned plant material alone. A burned plant material is produced from soybean hulls, rapeseed meal, sesame meal, cotton seed meal, cotton hulls, rice hulls, rice bran, soybean chaffs, rice straws, cereal hulls or the like by adjusting any of the carbon content, burning temperature and median diameter. The burned and carbonized plant material is ground and sieved to give a median diameter of approx. 80 ?m or below. The burned plant material is obtained by burning at a temperature of 700° C. or higher.
    Type: Application
    Filed: September 28, 2009
    Publication date: July 21, 2011
    Applicant: THE NISSHIN OILLIO GROUP, LTD.
    Inventors: Hiroyuki Gotou, Go Shinohara, Noriyasu Kuno, Hiroshi Iizuka, Takehiko Takahashi, Takeshi Takahashi
  • Publication number: 20080216895
    Abstract: A single unit cell (herein, referred to as “a unit cell”) is formed out of a lower electrode layer (Mo electrode layer) 2 formed on a substrate 1, a light-absorbing layer (CIGS LIGHT-ABSORBING LAYER) 3 including copper, indium, gallium, and selenium, a high-resistance buffer layer thin film 4 formed of InS, ZnS, CdS, and the like on the light-absorbing layer thin film, and an upper electrode thin film (TCO) 5 formed of ZnOAl and the like. In order to connect the unit cell, a part of a contact electrode 6 connecting the upper electrode and the lower electrode is formed to overlap with a dividing line of the lower electrode 2 formed by a first scribing.
    Type: Application
    Filed: May 22, 2007
    Publication date: September 11, 2008
    Inventors: Satoshi Aoki, Hiroyuki Gotou