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EP 1 743 254 A1

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(43) Date of publication: 17.01.2007 Bulletin 2007/03 (21) Application number: 05729898.6 (22) Date of filing: 08.04.2005

(51) International Patent Classification (IPC):  G06F 17/21(2006.01) (86) International application number: PCT/JP2005/007291 (87) International publication number: WO 2005/098666 (20.10.2005 Gazette 2005/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 08.04.2004 JP 2004114524 02.08.2004 US 592369 P 12.11.2004 JP 2004329878 27.01.2005 JP 2005020458 (71) Applicant: JustSystems Corporation Tokushima-shi, Tokushima 771-0189 (JP)

(72) Inventors: WAKE, Nobuaki, c/o Justsystems Corporation Tokushima-shi, Tokushima 7710189 (JP) OSHIMA, Norio, c/o Justsystems Corporation Tokushima-shi, Tokushima 7710189 (JP) FUJIMAKI, Yusuke, c/o Justsystems Corporation Tokushima-shi, Tokushima 7710189 (JP) HIYAMA, Masayuki Meguro-ku, Tokyo 1530051 (JP) (74) Representative: Palmer, Jonathan R.  Boult Wade Tennant, Verulam Gardens, 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)