Patents by Inventor Tomoki Fukuda

Tomoki Fukuda 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: 10850765
    Abstract: An electric power steering system is provided that is capable of performing assist control in which a change in a steering feel is reduced. The electric power steering system includes a current command value calculating unit configured to output a current command value Iref1 in accordance with steering torque and a vehicle speed on the basis of an assist map. The current command value calculating unit includes a vibration component reducing section configured to reduce a vibration component resulting from vibrations for warning that have been transmitted to a steering wheel and included in the steering torque.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: December 1, 2020
    Assignee: NSK LTD.
    Inventors: Takayoshi Sugawara, Takuya Masuko, Tomoki Fukuda, Hideki Sawada
  • Publication number: 20200269905
    Abstract: An electric power steering system is provided that is capable of performing assist control in which a change in a steering feel is reduced. The electric power steering system includes a current command value calculating unit configured to output a current command value Iref1 in accordance with steering torque and a vehicle speed on the basis of an assist map. The current command value calculating unit includes a vibration component reducing section configured to reduce a vibration component resulting from vibrations for warning that have been transmitted to a steering wheel and included in the steering torque.
    Type: Application
    Filed: June 7, 2019
    Publication date: August 27, 2020
    Applicant: NSK LTD.
    Inventors: Takayoshi SUGAWARA, Takuya MASUKO, Tomoki FUKUDA, Hideki SAWADA
  • Patent number: 7695150
    Abstract: To provide a lighting unit which: does not greatly affect the design of a light guide plate; and has a long lifetime, high efficiency, and a wide color reproduction range by means of a phosphor. In view of the foregoing, the lighting unit of the present invention is constituted in such a manner that a phosphor bead or a phosphor film is arranged on at least one of the light irradiation plane of a light guide plate, the rear surface of the light guide plate, and the light incidence plane of the light guide plate. In addition, a phosphor film is constituted by using: a phosphor bead formed of a phosphor particle and a water-impervious material with which the phosphor particle is coated so that the particle is confined in the material; and a polymer film holding the phosphor bead.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: April 13, 2010
    Assignee: Seiko Instruments Inc.
    Inventors: Norihiro Dejima, Makoto Kurihara, Tomoki Fukuda
  • Publication number: 20060255711
    Abstract: To provide a lighting unit which: does not greatly affect the design of a light guide plate; and has a long lifetime, high efficiency, and a wide color reproduction range by means of a phosphor. In view of the foregoing, the lighting unit of the present invention is constituted in such a manner that a phosphor bead or a phosphor film is arranged on at least one of the light irradiation plane of a light guide plate, the rear surface of the light guide plate, and the light incidence plane of the light guide plate. In addition, a phosphor film is constituted by using: a phosphor bead formed of a phosphor particle and a water-impervious material with which the phosphor particle is coated so that the particle is confined in the material; and a polymer film holding the phosphor bead.
    Type: Application
    Filed: April 6, 2006
    Publication date: November 16, 2006
    Inventors: Norihiro Dejima, Makoto Kurihara, Tomoki Fukuda