Inventor · disambiguated record
Mutsuhisa Nagahama
Also filed as: NAGAHAMA MUTSUHISA
7 granted patents·18 citations·filing 2000–2012
77Inventor score
Top patents by PatentIndex Score
7 records- 0182US8192565B2Steel for machine and structural use having excellent machinability and process for producing the sameMASUDA TOMOKAZU·Filed 2008·Granted Jun 5, 2012·5 cites·13 claims
- 0270US6635129B1Wire rod steelKOBE STEEL LTD·Filed 2000·Granted Oct 21, 2003·10 cites·7 claims
- 0369US9115415B2Case hardened steel and method for producing sameOKAMOTO NARIAKI·Filed 2011·Granted Aug 25, 2015·2 cites·4 claims
- 0468US9062360B2Steel for machine structural useTSUCHIDA TAKEHIRO·Filed 2010·Granted Jun 23, 2015·1 cites·10 claims
- 0545US9394593B2Bearing steel material with excellent rolling contact fatigue properties and a bearing partKAIZUKA MASAKI·Filed 2012·Granted Jul 19, 2016·0 cites·7 claims
- 0645US9200357B2Steel for machine structural use, manufacturing method for same, case hardened steel component, and manufacturing method for sameTSUCHIDA TAKEHIRO·Filed 2010·Granted Dec 1, 2015·0 cites·3 claims
- 0743US9598752B2Bearing steelKAIZUKA MASAKI·Filed 2011·Granted Mar 21, 2017·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →