Inventor · disambiguated record
Eiki Nagashima
Also filed as: NAGASHIMA EIKI
3 granted patents·1 pending application·34 citations·filing 2001–2019
66Inventor score
Top patents by PatentIndex Score
4 records- 0185US7347903B2Duplex stainless steel for urea manufacturing plantsSUMITOMO METAL IND·Filed 2003·Granted Mar 25, 2008·27 cites·15 claims
- 0249US6564990B2Method of welding high chromium austenitic stainless steel pipe and shielding gas mixture for weldingTOYO ENGINEERING CORP·Filed 2001·Granted May 20, 2003·7 cites·20 claims
- 0345US2021107866A1Urea manufacturing methodTOYO ENGINEERING CORP·Filed 2019·Application pending·0 cites
- 0436US9890114B2Urea synthesis methodTOYO ENGINEERING CORP·Filed 2015·Granted Feb 13, 2018·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →