Inventor · disambiguated record
Keiichi Katahira
Also filed as: KATAHIRA KEIICHI
4 granted patents·53 citations·filing 1988–2000
77Inventor score
Files withNIPPON STEEL CORP4
Top patents by PatentIndex Score
4 records- 0180US4854371ATwin belt type continuous casting machineNIPPON STEEL CORP·Filed 1988·Granted Aug 8, 1989·20 cites·9 claims
- 0271US4905753ATwin belt type casting machineNIPPON STEEL CORP·Filed 1988·Granted Mar 6, 1990·14 cites·8 claims
- 0361US6190435B1Method of vacuum decarburization/refining of molten steelNIPPON STEEL CORP·Filed 1997·Granted Feb 20, 2001·16 cites·13 claims
- 0460US6468467B1Method and apparatus for vacuum decarburization refining of molten steelNIPPON STEEL CORP·Filed 2000·Granted Oct 22, 2002·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →