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Inventor
OTSUKI NAOKI
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKI NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISHIKAWAJIMA HARIMA HEAVY IND
1 patent
US4388068A
Jun 14, 1983
Metal heating furnace
ISHIKAWAJIMA HARIMA HEAVY IND
6 citations
56
NIPPON STEEL CORP
1 patent
US4196893A
Apr 8, 1980
Shaft furnace
NIPPON STEEL CORP
1 citations
47