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Inventor

KATAGIRI TSUTOMU

JP7 patents
⚠️ This page may combine multiple inventors who share the name “KATAGIRI TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JGC CORP

3 patents

JAPAN NATIONAL OIL

2 patents

LION CORP

1 patent

UMINO HIROSHI

1 patent