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Inventor

Masaki Aizawa

Inventor
Odawara, JP

Overview

4→
Patents
1981–2011
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing75%
C22BProduction and refining of metals25%
PatentTitleYear
7,908,446'Copy system and method using differential bitmap'20117,472,241'Storage system and backup method'20087,028,216'Disk array system and a method of avoiding failure of the disk array system'20064,307,871'Apparatus for automatically punching the tuyeres of a converter'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to SUMITOMO METAL MINING CO (1)· patent assignee history
1981Based in Niihama, JP· patent location history
2006–2011Patents assigned to HITACHI LTD (3)· patent assignee history
2006–2011Based in Odawara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD32006–2011
SUMITOMO METAL MINING CO11981
Locations
LocationPatentsSpan
Odawara, JP32006–2011
Niihama, JP11981