Patents by Inventor Ryosuke Sumii

Ryosuke Sumii 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: 9520770
    Abstract: A soft start circuit accepts an input of a reference voltage set arbitrarily, and generates a soft start voltage that takes a predetermined sweep time to slowly rise from a predetermined lowest value to a highest value that is higher than the reference voltage and changes in accordance with the reference voltage.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: December 13, 2016
    Assignee: Rohm Co., Ltd.
    Inventors: Ryosuke Sumii, Kiminobu Sato
  • Publication number: 20160049866
    Abstract: A soft start circuit accepts an input of a reference voltage set arbitrarily, and generates a soft start voltage that takes a predetermined sweep time to slowly rise from a predetermined lowest value to a highest value that is higher than the reference voltage and changes in accordance with the reference voltage.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 18, 2016
    Inventors: Ryosuke Sumii, Kiminobu Sato