Patents by Inventor Masahiro Iwasaki

Masahiro Iwasaki 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: 10048685
    Abstract: An automated driving system 100 of a vehicle comprising: a surrounding environment information acquiring device 10; a vehicle information acquiring device 20; a driver information acquiring device 30; an automated driving executing part 90; a package determining part 91, a package proposing part 92; and an emergency condition judging part 93. The automated driving executing part performs automated driving of the vehicle based on an emergency driving assistance package packaging permissions of the plurality of driving assistance operations when the driver is in an emergency condition, if the emergency condition judging part judges that the driver is in an emergency condition, and performs automated driving of the vehicle based on the driving assistance package proposed by the packaging proposing part and approved by the driver, if the emergency condition judging part judges that the driver is not in an emergency condition.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: August 14, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoki Matsushita, Yuichi Kumai, Masaki Matsunaga, Masahiro Iwasaki
  • Patent number: 10033035
    Abstract: An object of the present invention is to provide a method for producing active material composite particles having a dense coating layer. In the present invention, the above object is achieved by providing a method for producing an active material composite particle, the method comprising steps of: a coating step of coating a surface of an active material with a precursor solution of a Li ion conductive oxide to form a precursor layer; a heat treatment step of performing heat treatment on the precursor layer to form a coating layer comprising the Li ion conductive oxide; and a compression shearing treatment step of performing compression shearing treatment on the coating layer.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: July 24, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki Uchiyama, Masahiro Iwasaki, Hirokazu Kawaoka
  • Publication number: 20180166742
    Abstract: Provided is a method of producing a sulfide solid electrolyte which brings low costs, and large sulfur reducing effect, the method comprising heat-treating material for a sulfide solid electrolyte at a temperature no less than a melting point of elemental sulfur while vibrating the material.
    Type: Application
    Filed: November 20, 2017
    Publication date: June 14, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masahiro IWASAKI
  • Publication number: 20180166740
    Abstract: Provided is a method of producing a sulfide solid electrolyte with which the capacity retention of an all-solid-state battery can be improved. The method of producing a sulfide solid electrolyte comprises synthesizing material for a sulfide solid electrolyte from raw material for an electrolyte; and after said synthesizing, heating the material for a sulfide solid electrolyte in a flow of a gas at a temperature of no less than a melting point of elemental sulfur, the gas being able to form a chemical bond with the elemental sulfur.
    Type: Application
    Filed: October 31, 2017
    Publication date: June 14, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro IWASAKI, Takuo YANAGI
  • Patent number: 9929430
    Abstract: A composite active material including composite particles and a sulfide-based solid electrolyte is proposed. The composite particles contain active material particles and an oxide-based solid electrolyte. The active material particles contain at least any one of a cobalt element, a nickel element and a manganese element and further contain a lithium element and an oxygen element. The oxide-based solid electrolyte coats all or part of a surface of each of the active material particles. The sulfide-based solid electrolyte further coats 76.0% or more of a surface of each of the composite particles.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: March 27, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro Iwasaki, Yusuke Kintsu
  • Patent number: 9910435
    Abstract: In a vehicle control device that is configured to be capable of switching from an automatic travel of the vehicle to manual travel by a driver, a manual driving adaptation degree of a driver during an automatic travel is calculated based on a driver state (S16), a notification timing is set such that the notification timing is earlier as the manual driving adaptation degree becomes lower (S18), and the automatic travel end notification is given to the driver at the set notification timing (S20).
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: March 6, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Jun Sato, Masahiro Iwasaki
  • Publication number: 20180047979
    Abstract: A device produces a composite active material powder by coating active material or composite particle surfaces, which are obtained by coating the active material particle surfaces with an oxide-based solid electrolyte, with a sulfide-based solid electrolyte. The device includes: a storage body having a cylindrical inner wall surface, and a rotating body disposed in an internal space surrounded by the storage body inner wall surface, having a rotating shaft aligned with the internal space central axis, and which includes blades. Each blade end part has such a tapered section on a front side in the rotating body rotation/movement direction, that a thickness of the blade gradually tapers toward a blade end side, and each blade end part has such a curved end surface on a back side in the rotating body rotation/movement direction, that the curved end surface faces the storage body inner wall surface and is generally parallel thereto.
    Type: Application
    Filed: September 27, 2017
    Publication date: February 15, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masahiro IWASAKI
  • Patent number: 9887417
    Abstract: The problem to be solved by the present invention is to provide a composite active material having favorable electron conductivity. The present invention solves the problem by providing a composite active material comprising an active material, a coat layer with an average thickness of less than 100 nm, formed on a surface of the active material and composed of an ion conductive oxide, and carbon particles penetrating the coat layer, formed on a surface of the active material.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: February 6, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nariaki Miki, Masahiro Iwasaki, Hajime Hasegawa
  • Patent number: 9846378
    Abstract: An electrophotographic photoreceptor includes a conductive substrate including an outer peripheral surface treated with a silazane; and a photosensitive layer on the outer peripheral surface of the conductive substrate. The photosensitive layer includes a charge generating material and a charge transporting material.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: December 19, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Masahiro Iwasaki
  • Patent number: 9829812
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a single-layer-type photosensitive layer on the conductive substrate. The single-layer-type photosensitive layer contains a binder resin, a charge generating material, an electron transporting material, and a hole transporting material. The single-layer-type photosensitive layer has a concentration ratio (A/B) of 0.7 or more and 1.0 or less, where the concentration ratio (A/B) is a ratio of a concentration A of the electron transporting material relative to the binder resin measured from a surface of the photosensitive layer remote from the conductive substrate to a concentration B of the electron transporting material relative to the binder resin measured from a surface of the photosensitive layer close to the conductive substrate.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: November 28, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Keisuke Kusano, Masahiro Iwasaki, Jiro Korenaga, Yukimi Kawabata
  • Publication number: 20170308083
    Abstract: A drive assist apparatus includes an arrival window time calculation unit configured to calculate an arrival window time before the vehicle arrives at a switching completion point, a driving concentration degree estimation unit configured to estimate a driving concentration degree of a driver based on a state of the driver when the arrival window time is equal to or shorter than a predetermined time, and a stimulation providing unit configured to provide a stimulus to the driver according to the driving concentration degree. In a case where the driving concentration degree is equal to or less than a threshold value set in advance, the stimulation providing unit provides a stimulus to the driver, which is stronger than that in a case where the driving concentration degree is greater than the threshold value, or provides a stronger stimulus to the driver in accordance with reduction in the driving concentration degree.
    Type: Application
    Filed: July 6, 2017
    Publication date: October 26, 2017
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Jun SATO, Masahiro IWASAKI
  • Publication number: 20170293299
    Abstract: An automated driving system 100 of a vehicle comprising: a surrounding environment information acquiring device 10; a vehicle information acquiring device 20; a driver information acquiring device 30; an automated driving executing part 90; a package determining part 91, a package proposing part 92; and an emergency condition judging part 93. The automated driving executing part performs automated driving of the vehicle based on an emergency driving assistance package packaging permissions of the plurality of driving assistance operations when the driver is in an emergency condition, if the emergency condition judging part judges that the driver is in an emergency condition, and performs automated driving of the vehicle based on the driving assistance package proposed by the packaging proposing part and approved by the driver, if the emergency condition judging part judges that the driver is not in an emergency condition.
    Type: Application
    Filed: March 28, 2017
    Publication date: October 12, 2017
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoki MATSUSHITA, Yuichi KUMAI, Masaki MATSUNAGA, Masahiro IWASAKI
  • Publication number: 20170261872
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a single-layer-type photosensitive layer on the conductive substrate. The single-layer-type photosensitive layer contains a binder resin, a charge generating material, an electron transporting material, and a hole transporting material. The single-layer-type photosensitive layer has a concentration ratio (A/B) of 0.7 or more and 1.0 or less, where the concentration ratio (A/B) is a ratio of a concentration A of the electron transporting material relative to the binder resin measured from a surface of the photosensitive layer remote from the conductive substrate to a concentration B of the electron transporting material relative to the binder resin measured from a surface of the photosensitive layer close to the conductive substrate.
    Type: Application
    Filed: July 22, 2016
    Publication date: September 14, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Keisuke KUSANO, Masahiro IWASAKI, Jiro KORENAGA, Yukimi KAWABATA
  • Publication number: 20170261874
    Abstract: An electrophotographic photoreceptor includes a conductive substrate including an outer peripheral surface treated with a silazane; and a photosensitive layer on the outer peripheral surface of the conductive substrate. The photosensitive layer includes a charge generating material and a charge transporting material.
    Type: Application
    Filed: July 12, 2016
    Publication date: September 14, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Masahiro IWASAKI
  • Publication number: 20170261980
    Abstract: A control system for a vehicle comprises an automated driving control part configured to automatically perform driver assistance operations for which the driver has given permission among a plurality of driver assistance operations. The automated driving control part comprises a package determining part using at least one of the surrounding environment information, the host vehicle information, and the driver information as the basis to determine a driver assistance package packaging permissions for a plurality of driver assistance operations and a package proposing part proposing to the driver to switch to a driver assistance package so as to obtain permissions for the individual driver assistance operations permitted in the driver assistance package.
    Type: Application
    Filed: January 10, 2017
    Publication date: September 14, 2017
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoki MATSUSHITA, Yuichi KUMAI, Masaki MATSUNAGA, Masahiro IWASAKI
  • Publication number: 20170250403
    Abstract: The present disclosure provides a method for producing a composite active material with the capability of improving coating efficiency. The present disclosure achieves an object by providing a method for producing a composite active material having an oxide active material, an oxide solid electrolyte layer that coats a surface of the oxide active material, and a sulfide solid electrolyte layer that coats a surface of the oxide solid electrolyte layer, where the method comprises a coating step of forming the sulfide solid electrolyte layer by conducting a mixing treatment such that a sulfide solid electrolyte material is mixed with the oxide active material coated with the oxide solid electrolyte layer while plastically deforming the sulfide solid electrolyte material, under a pressure decompressed to less than an atmospheric pressure.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 31, 2017
    Inventor: Masahiro IWASAKI
  • Publication number: 20170250407
    Abstract: The main object of the present disclosure is to provide a composite active material with a capability of improving a battery output. The present disclosure achieves the object by providing a composite active material comprising: an oxide active material, an oxide solid electrolyte layer that coats a surface of the oxide active material, and a sulfide solid electrolyte layer that coats a surface of the oxide solid electrolyte layer; wherein the sulfide solid electrolyte layer has a specific surface area in a range of 1.06 m2/g to 1.22 m2/g, and a thickness the sulfide solid electrolyte layer is in a range of 15 nm to 25 nm.
    Type: Application
    Filed: January 30, 2017
    Publication date: August 31, 2017
    Inventor: Masahiro IWASAKI
  • Patent number: 9740203
    Abstract: A drive assist apparatus includes an arrival window time calculation unit configured to calculate an arrival window time before the vehicle arrives at a switching completion point, a driving concentration degree estimation unit configured to estimate a driving concentration degree of a driver based on a state of the driver when the arrival window time is equal to or shorter than a predetermined time, and a stimulation providing unit configured to provide a stimulus to the driver according to the driving concentration degree. In a case where the driving concentration degree is equal to or less than a threshold value set in advance, the stimulation providing unit provides a stimulus to the driver, which is stronger than that in a case where the driving concentration degree is greater than the threshold value, or provides a stronger stimulus to the driver in accordance with reduction in the driving concentration degree.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: August 22, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Jun Sato, Masahiro Iwasaki
  • Patent number: 9703289
    Abstract: A vehicle control apparatus that switches an operating condition of a vehicle to a manual operation when the vehicle reaches a preset initial switch position while an automatic operation is underway includes: a driver condition determination unit configured to determine whether or not a driver is in a manual operation acceptance condition; an evacuation space identification unit configured to identify an evacuation space provided on a path of the vehicle before the initial switch position on the basis of map information; and a switch position setting unit configured to set a switch position in which the operating condition of the vehicle is to be switched from the automatic operation to the manual operation, in a position between the vehicle and the evacuation space when the driver is not in the manual operation acceptance condition.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: July 11, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Jun Sato, Masahiro Iwasaki
  • Publication number: 20170192219
    Abstract: An image generating system that generates a focal image of a target object on a virtual focal plane located between a plurality of illuminators and an image sensor (b) carries out the following (c) through (f) for each of a plurality of pixels constituting the focal image, (c) carries out the following (d) through (f) for each of the positions of the plurality of illuminators, (d) calculates a position of a target point that is a point of intersection of a straight line connecting a position of the pixel on the focal plane and a position of the illuminator and a light receiving surface of the image sensor, (e) calculates a luminance value of the target point in the captured image by the illuminator on the basis of the position of the target point, (f) applies the luminance value of the target point to the luminance value of the pixel, and (g) generates the focal image of the target object on the focal plane by using a result of applying the luminance value at each of the plurality of pixels.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 6, 2017
    Inventors: YUMIKO KATO, YOSHIHIDE SAWADA, MASAHIRO IWASAKI, YASUHIRO MUKAIGAWA, HIROYUKI KUBO