Inventor · disambiguated record
Haruyuki Nagayoshi
Also filed as: NAGAYOSHI HARUYUKI
3 granted patents·197 citations·filing 1981–1998
75Inventor score
Files withNIPPON STEEL CORP3
Top patents by PatentIndex Score
3 records- 0188US6027145AJoint for steel pipe having high galling resistance and surface treatment method thereofNIPPON STEEL CORP·Filed 1995·Granted Feb 22, 2000·164 cites·16 claims
- 0248US4421575AMethod of cooling steel pipesNIPPON STEEL CORP·Filed 1981·Granted Dec 20, 1983·9 cites·3 claims
- 0345US6705648B1Pipe jointNIPPON STEEL CORP·Filed 1998·Granted Mar 16, 2004·24 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →