Inventor · disambiguated record
Takahiro Kushida
Also filed as: KUSHIDA TAKAHIRO
10 granted patents·295 citations·filing 1993–2004
91Inventor score
Top patents by PatentIndex Score
10 records- 0197US5938865AProcess for producing high-strength seamless steel pipe having excellent sulfide stress cracking resistanceSUMITOMO METAL IND·Filed 1996·Granted Aug 17, 1999·66 cites·7 claims
- 0296US6267828B1Low alloy steel for oil country tubular goods and method of makingSUMITOMO METAL IND·Filed 1999·Granted Jul 31, 2001·80 cites·8 claims
- 0394US6220306B1Low carbon martensite stainless steel plateSUMITOMO METAL IND·Filed 1999·Granted Apr 24, 2001·59 cites·9 claims
- 0493US6379821B2Martensitic stainless steel welded pipeSUMITOMO METAL IND·Filed 2001·Granted Apr 30, 2002·39 cites·14 claims
- 0569US5383983AMartensitic stainless steel suitable for use in oil wellsSUMITOMO METAL IND·Filed 1993·Granted Jan 24, 1995·19 cites·20 claims
- 0660US7361236B2Martensitic stainless steelSUMITOMO METAL IND·Filed 2003·Granted Apr 22, 2008·4 cites·12 claims
- 0760US5555916ASteel product excellent in sulfide cracking resistanceSUMITOMO METAL IND·Filed 1994·Granted Sep 17, 1996·14 cites·12 claims
- 0858US8157930B2Martensitic stainless steelAMAYA HISASHI·Filed 2004·Granted Apr 17, 2012·3 cites·8 claims
- 0956US7648587B2Steel product for use as line pipe having high HIC resistance and line pipe produced using such steel productSUMITOMO METAL IND·Filed 2004·Granted Jan 19, 2010·2 cites·8 claims
- 1045US6517643B1Steel having excellent outer surface SCC resistance for pipelineNIPPON STEEL CORP·Filed 1997·Granted Feb 11, 2003·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →