Inventor · disambiguated record
Hirokichi Higashiyama
Also filed as: HIGASHIYAMA HIROKICHI
3 granted patents·200 citations·filing 1979–1982
75Inventor score
Files withNIPPON STEEL CORP3
Top patents by PatentIndex Score
3 records- 0196US4407681AHigh tensile steel and process for producing the sameNIPPON STEEL CORP·Filed 1982·Granted Oct 4, 1983·168 cites·11 claims
- 0280US4289011AContinuous pipe rolling processNIPPON STEEL CORP·Filed 1979·Granted Sep 15, 1981·17 cites·7 claims
- 0376US4318294AMethod of manufacturing seamless metal pipes and tubesNIPPON STEEL CORP·Filed 1979·Granted Mar 9, 1982·15 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →