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Inventor

OTSUKA HIDEFUMI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKA HIDEFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

3 patents

MATUSHITA ELECTRIC IND CO LTD

1 patent

HITACHI LTD

1 patent