Patents by Inventor Akio Kamimoto

Akio Kamimoto 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).

  • Semiconductor device
    Patent number: 11309705
    Abstract: A semiconductor device includes a bridge circuit comprising first to fourth elements, a first diagnostic circuit that detects a potential difference between two intermediate nodes of the bridge circuit and a control circuit that detects a failure of the first or second element based on an output of the first diagnostic circuit, wherein the first and second elements are first and second power transistors connected in series.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: April 19, 2022
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Akio Kamimoto
  • SEMICONDUCTOR DEVICE
    Publication number: 20210111553
    Abstract: A semiconductor device includes a bridge circuit comprising first to fourth elements, a first diagnostic circuit that detects a potential difference between two intermediate nodes of the bridge circuit and a control circuit that detects a failure of the first or second element based on an output of the first diagnostic circuit, wherein the first and second elements are first and second power transistors connected in series.
    Type: Application
    Filed: August 27, 2020
    Publication date: April 15, 2021
    Inventor: Akio Kamimoto
  • Coating for phosphor particles
    Patent number: 5856009
    Abstract: The present invention provides a coating phosphor comprising phosphor particles, heat resistive coating films which coat the phosphor particles and moisture proof coating films which coat the heat resistive coating films.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: January 5, 1999
    Assignee: NEC Corporation
    Inventors: Naoki Nishio, Akio Kamimoto, Yasuki Kawashima