Assignee
YOSHIHARA NAO
JP·3 granted patents·8 citations·filing 2006–2007
Top patents by PatentIndex Score
3 records- 0183US8192562B2Spring steel wire excellent in fatigue characteristic and wire drawabilityYOSHIHARA NAO·Filed 2007·Granted Jun 5, 2012·5 cites·15 claims
- 0270US8557061B2Spring steel with excellent resistance to hydrogen embrittlement and steel wire and spring obtained from the steelYOSHIHARA NAO·Filed 2006·Granted Oct 15, 2013·2 cites·10 claims
- 0368US9611523B2Cold formable spring steel wire excellent in cold cutting capability and fatigue properties and manufacturing process thereofYOSHIHARA NAO·Filed 2006·Granted Apr 4, 2017·1 cites·11 claims
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