Inventor · disambiguated record

Morihiro Sumida

Also filed as: SUMIDA MORIHIRO

3 granted patents·5 citations·filing 1981–1983

59Inventor score

Technology areasC21C

Files withNIPPON STEEL CORP3

Top patents by PatentIndex Score

3 records

0153US4388112ASteelmaking process with separate refining stepsNIPPON STEEL CORP·Filed 1981·Granted Jun 14, 1983·4 cites·31 claims
0234US4411696ASteelmaking process with separate refining stepsNIPPON STEEL CORP·Filed 1982·Granted Oct 25, 1983·1 cites·2 claims
0329US4457778ASteelmaking process with separate refining stepsNIPPON STEEL CORP·Filed 1983·Granted Jul 3, 1984·0 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →