Patents by Inventor MASASHI OHKAWA

MASASHI OHKAWA 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).

  • Programmable circuit device and configuration information restoration method
    Patent number: 9337838
    Abstract: In a device including a programmable circuit, the programmable circuit is connected to a non-volatile memory in which configuration information is stored, and another memory having a faster reading speed than the non-volatile memory, and the programmable circuit includes a configuration memory control circuit, and a signal line group for performing reading with respect to the other memory such as a volatile memory and an embedded memory from the non-volatile memory by the configuration memory control circuit, and copies a part of circuit configuration information which is required to be subjected to fast restoration from failure into the other memory.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: May 10, 2016
    Assignee: Hitachi, Ltd.
    Inventors: Makoto Saen, Takeshi Sakata, Masashi Ohkawa, Yusuke Kanno
  • PROGRAMMABLE CIRCUIT DEVICE AND CONFIGURATION INFORMATION RESTORATION METHOD
    Publication number: 20150236696
    Abstract: In a device including a programmable circuit, the programmable circuit is connected to a non-volatile memory in which configuration information is stored, and another memory having a faster reading speed than the non-volatile memory, and the programmable circuit includes a configuration memory control circuit, and a signal line group for performing reading with respect to the other memory such as a volatile memory and an embedded memory from the non-volatile memory by the configuration memory control circuit, and copies a part of circuit configuration information which is required to be subjected to fast restoration from failure into the other memory.
    Type: Application
    Filed: January 9, 2015
    Publication date: August 20, 2015
    Inventors: MAKOTO SAEN, TAKESHI SAKATA, MASASHI OHKAWA, YUSUKE KANNO