Inventor

NAGAHAMA MUTSUHISA

JP7 patents

⚠️ This page may combine multiple inventors who share the name “NAGAHAMA MUTSUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TSUCHIDA TAKEHIRO

2 patents

US9200357B2Dec 1, 2015

Steel for machine structural use, manufacturing method for same, case hardened steel component, and manufacturing method for same

TSUCHIDA TAKEHIRO0 citations45

US9062360B2Jun 23, 2015

Steel for machine structural use

TSUCHIDA TAKEHIRO1 citations45

KAIZUKA MASAKI

2 patents

US9394593B2Jul 19, 2016

Bearing steel material with excellent rolling contact fatigue properties and a bearing part

KAIZUKA MASAKI0 citations44

US9598752B2Mar 21, 2017

Bearing steel

KAIZUKA MASAKI0 citations43

KOBE STEEL LTD

1 patent

US6635129B1Oct 21, 2003

Wire rod steel

KOBE STEEL LTD10 citations70

MASUDA TOMOKAZU

1 patent

US8192565B2Jun 5, 2012

Steel for machine and structural use having excellent machinability and process for producing the same

MASUDA TOMOKAZU5 citations59

OKAMOTO NARIAKI

1 patent

US9115415B2Aug 25, 2015

Case hardened steel and method for producing same

OKAMOTO NARIAKI2 citations49