Inventor · disambiguated record
Hajime Nakasugi
Also filed as: IMAGUMBAI MASANA · NAKASUGI HAJIME
9 granted patents·169 citations·filing 1974–1979
90Inventor score
Files withNIPPON STEEL CORP9
Top patents by PatentIndex Score
9 records- 0185US4219371AProcess for producing high-tension bainitic steel having high-toughness and excellent weldabilityNIPPON STEEL CORP·Filed 1979·Granted Aug 26, 1980·25 cites·4 claims
- 0285US4138278AMethod for producing a steel sheet having remarkably excellent toughness at low temperaturesNIPPON STEEL CORP·Filed 1977·Granted Feb 6, 1979·25 cites·16 claims
- 0378US4142713AMethod of heat-treatment of welded pipe and apparatus thereforNIPPON STEEL CORP·Filed 1977·Granted Mar 6, 1979·26 cites·5 claims
- 0477US4105474AProcess for producing a high tension steel sheet product having an excellent low-temperature toughness with a yield point of 40 kg/mm2 or higherNIPPON STEEL CORP·Filed 1977·Granted Aug 8, 1978·16 cites·4 claims
- 0575US4062705AMethod for heat treatment of high-toughness weld metalsNIPPON STEEL CORP·Filed 1974·Granted Dec 13, 1977·28 cites·7 claims
- 0674US3976514AMethod for producing a high toughness and high tensil steelNIPPON STEEL CORP·Filed 1975·Granted Aug 24, 1976·20 cites·3 claims
- 0772US3979231AMethod for producing large diameter steel pipesNIPPON STEEL CORP·Filed 1975·Granted Sep 7, 1976·14 cites·9 claims
- 0857US3973999AMethod for producing a high tensile strength and high toughness bend pipeNIPPON STEEL CORP·Filed 1975·Granted Aug 10, 1976·9 cites·4 claims
- 0943US4115675AInduction heating method of steel pipeNIPPON STEEL CORP·Filed 1977·Granted Sep 19, 1978·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →