Patents by Inventor Issei Kadowaki

Issei Kadowaki 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).

  • Load driving device and electronic device using same
    Patent number: 9509208
    Abstract: A load driving device according to the present invention has: an internal circuit (DRV) that operates in response to the supply of a power supply voltage (HV or LV); an output circuit (PD1 and PD2) for driving a load in response to the supply of the power supply voltage (HV or LV); an abnormality detection circuit (12) for monitoring the power supply voltage (HV or LV) and generating an abnormality detection signal (S1); and a power supply switch (P0) for, according to the abnormality detection signal (S1), conducting or cutting off a power-supply-voltage supply line to the internal circuit (DRV).
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: November 29, 2016
    Assignee: Rohm Co., Ltd.
    Inventors: Issei Kadowaki, Norihiro Maeda
  • LOAD DRIVING DEVICE AND ELECTRONIC DEVICE USING SAME
    Publication number: 20140084835
    Abstract: A load driving device according to the present invention has: an internal circuit (DRV) that operates in response to the supply of a power supply voltage (HV or LV); an output circuit (PD1 and PD2) for driving a load in response to the supply of the power supply voltage (HV or LV); an abnormality detection circuit (12) for monitoring the power supply voltage (HV or LV) and generating an abnormality detection signal (S1); and a power supply switch (P0) for, according to the abnormality detection signal (S1), conducting or cutting off a power-supply-voltage supply line to the internal circuit (DRV).
    Type: Application
    Filed: May 25, 2012
    Publication date: March 27, 2014
    Applicant: Rohm Co., Ltd.
    Inventors: Issei Kadowaki, Norihiro Maeda