Inventor · disambiguated record
Yasue Koyama
Also filed as: KOYAMA YASUE
2 granted patents·1 pending application·7 citations·filing 2001–2005
48Inventor score
Top patents by PatentIndex Score
3 records- 0175US6736910B2High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the sameJFE STEEL CORP·Filed 2001·Granted May 18, 2004·7 cites·6 claims
- 0246US7942984B2Steel pipe with good magnetic properties and method of producing the sameJFE STEEL CORP·Filed 2005·Granted May 17, 2011·0 cites·6 claims
- 0345US2004099355A1Method of producing high-carbon steel pipe having superior cold workability and induction hardenabilityJFE STEEL CORP A CORP OF JAPAN·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →