Assignee
OKAMOTO NARIAKI
JP·2 granted patents·2 citations·filing 2011–2012
Top patents by PatentIndex Score
2 records- 0169US9115415B2Case hardened steel and method for producing sameOKAMOTO NARIAKI·Filed 2011·Granted Aug 25, 2015·2 cites·4 claims
- 0242US9297051B2Case hardening steel, method for producing same, and mechanical structural part using case hardening steelOKAMOTO NARIAKI·Filed 2012·Granted Mar 29, 2016·0 cites·5 claims
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