Nobuyuki Osaki

Method and apparatus for encrypted remote copy for secure data backup and restoration

Method and Apparatus for Secure Data Mirroring a Storage System

Method and apparatus for cryptographic conversion in a data storage system

Method of and system for testing remote storage

Storage device and its control method

Method of assuring data integrity on storage volumes

Data synchronization of multiple remote storage

Method and apparatus for data storage

VOLUME MANAGEMENT METHOD IN A STORAGE APPARATUS HAVING ENCRYPTION FEATURE

Computer system, storage system, and data management method for updating encryption key