Patents by Inventor Masaki Takikawa

Masaki Takikawa 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).

  • Data writing method
    Patent number: 8209465
    Abstract: Data are write commanded from a host into a NAND flash memory. The data are saved once in a cache memory before being written into the NAND flash memory. The cache memory includes a physical segment whose size is the product of one page sector size of the NAND flash memory and the m-th power of 2 (m is 0 or a positive integer). A CPU records and manages the data writing status for each physical segment in a sector unit.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: June 26, 2012
    Assignee: Hagiwara Sys-Com Co., Ltd.
    Inventors: Hiromichi Oribe, Masaki Takikawa, Yoshihiro Kitou
  • DATA WRITING METHOD
    Publication number: 20090113119
    Abstract: Data are write commanded from a host into a NAND flash memory. The data are saved once in a cache memory before being written into the NAND flash memory. The cache memory includes a physical segment whose size is the product of one page sector size of the NAND flash memory and the m-th power of 2 (m is 0 or a positive integer). A CPU records and manages the data writing status for each physical segment in a sector unit.
    Type: Application
    Filed: October 30, 2008
    Publication date: April 30, 2009
    Applicant: HAGIWARA SYS-COM CO., LTD
    Inventors: Hiromichi ORIBE, Masaki Takikawa, Yoshihiro Kitou