Patents Assigned to Phoenix Technologies K.K.
  • Data storage device capable of storing multiple sets of history information on input/output processing of security data without duplication
    Patent number: 7650328
    Abstract: A data storage device includes a secure data storage portion including a log memory. The log memory is formed of a plurality of banks, and stores history information in the plurality of banks in a ring-like fashion. The plurality of banks are designated by addresses (0?(N?1)), respectively. Each of the items of the history information respectively stored in the banks includes a management number region, a license ID (LID) region, a Ks2x region, an ST1 region, an ST2 region, a KPcmy region and a LBA region.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: January 19, 2010
    Assignees: Sanyo Electric Co., Ltd., Pioneer Corporation, Hitachi, Ltd., Phoenix Technologies K.K., Fujitsu Limited
    Inventors: Yoshihiro Hori, Kenichiro Tada, Tatsuya Hirai, Masafumi Tsuru, Takayuki Hasebe
  • Data storage device capable of storing multiple sets of history information on input/output processing of security data without duplication
    Publication number: 20050289062
    Abstract: A data storage device includes a secure data storage portion including a log memory. The log memory is formed of a plurality of banks, and stores history information in the plurality of banks in a ring-like fashion. The plurality of banks are designated by addresses (0-(N?1)), respectively. Each of the items of the history information respectively stored in the banks includes a management number region, a license ID (LID) region, a Ks2x region, an ST1 region, an ST2 region, a KPcmy region and a LBA region.
    Type: Application
    Filed: July 24, 2003
    Publication date: December 29, 2005
    Applicants: SANYO ELECTRIC CO LTD, PIONEER CORPORATION, HITACHI LTD., PHOENIX TECHNOLOGIES K.K., FUJITSU LIMITED
    Inventors: Yoshihiro Hori, Kenichiro Tada, Tatsuya Hirai, Masafumi Tsuru, Takayuki Hasebe
  • Magnetic disc storage
    Patent number: D478329
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: August 12, 2003
    Assignees: Hitachi, Ltd., Canon Kabushiki Kaisha, Sanyo Electric Co., Sharp Kabushiki Kaisha, Victor Company of Japan, Limited, Pioneer Corp., Phoenix Technologies K.K., Fujitsu Ltd.
    Inventors: Hiromasa Yamagishi, Ryuichi Onda, Tadaaki Tomikawa
  • Interface of a magnetic disc storage
    Patent number: D482365
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: November 18, 2003
    Assignees: Hitachi, Ltd., Canon Kabushiki Kaisha, Sanyo Electric Co., Ltd., Sharp Kabushiki Kaisha, Victor Company of Japan Ltd., Pioneer Corporation, Phoenix Technologies K.K., Fujitsu Limited
    Inventors: Hiromasa Yamagishi, Ryuichi Onda, Tadaaki Tomikawa