P

Inventor

AIZAWA MASAKI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “AIZAWA MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

3 patents
US7028216B2Apr 11, 2006

Disk array system and a method of avoiding failure of the disk array system

HITACHI LTD286 citations97
US7472241B2Dec 30, 2008

Storage system and backup method

HITACHI LTD18 citations82
US7908446B2Mar 15, 2011

Copy system and method using differential bitmap

HITACHI LTD2 citations56

SUMITOMO METAL MINING CO

1 patent
US4307871ADec 29, 1981

Apparatus for automatically punching the tuyeres of a converter

SUMITOMO METAL MINING CO2 citations54