Patents by Inventor Tadashi SUGANUMA

Tadashi SUGANUMA 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).

  • Control device for vehicle-mounted apparatus
    Patent number: 11560106
    Abstract: A control device for a vehicle-mounted apparatus, the control device includes: a second CPU state judging section provided to the first CPU, and configured to judge a state of the second CPU based on a state of the inter-CPU communication and a voltage value of the electric power supplied from the first electric power supply section, or the second reset signal; and a first CPU state judging section provided to the second CPU, and configured to judge a state of the first CPU based on the state of the inter-CPU communication and a voltage value of the electric power supplied from the second electric power supply section, or the first reset signal.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: January 24, 2023
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Mitsuo Sasaki, Masaki Itabashi, Tadashi Suganuma
  • Control apparatus for power steering apparatus and power steering apparatus using the same
    Patent number: 10870444
    Abstract: Provided is a control apparatus for a power steering apparatus, and a power steering apparatus using it that can reduce electromagnetic noise with the aid of a spread spectrum, thereby realizing stabilized motor control.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: December 22, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masaki Kashima, Yoshitaka Sugiyama, Masaki Itabashi, Tadashi Suganuma, Kazuya Yamano
  • CONTROL DEVICE FOR VEHICLE-MOUNTED APPARATUS
    Publication number: 20200130615
    Abstract: A control device for a vehicle-mounted apparatus, the control device includes: a second CPU state judging section provided to the first CPU, and configured to judge a state of the second CPU based on a state of the inter-CPU communication and a voltage value of the electric power supplied from the first electric power supply section, or the second reset signal; and a first CPU state judging section provided to the second CPU, and configured to judge a state of the first CPU based on the state of the inter-CPU communication and a voltage value of the electric power supplied from the second electric power supply section, or the first reset signal.
    Type: Application
    Filed: May 9, 2018
    Publication date: April 30, 2020
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Mitsuo SASAKI, Masaki ITABASHI, Tadashi SUGANUMA
  • CONTROL APPARATUS FOR POWER STEERING APPARATUS AND POWER STEERING APPARATUS USING THE SAME
    Publication number: 20190047614
    Abstract: Provided is a control apparatus for a power steering apparatus, and a power steering apparatus using it that can reduce electromagnetic noise with the aid of a spread spectrum, thereby realizing stabilized motor control.
    Type: Application
    Filed: January 27, 2017
    Publication date: February 14, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masaki KASHIMA, Yoshitaka SUGIYAMA, Masaki ITABASHI, Tadashi SUGANUMA, Kazuya YAMANO