Inventor · disambiguated record
Tatsuro Ochi
Also filed as: OCHI TATSURO
29 granted patents·3 pending applications·294 citations·filing 1992–2021
96Inventor score
Top patents by PatentIndex Score
32 records- 0194US11952650B2Steel wireNIPPON STEEL CORP·Filed 2020·Granted Apr 9, 2024·2 cites·4 claims
- 0291US6602359B1Bar or wire product for use in cold forging and method for producing the sameNIPPON STEEL CORP·Filed 2000·Granted Aug 5, 2003·29 cites·9 claims
- 0389US12181012B2Damper springNIPPON STEEL CORP·Filed 2020·Granted Dec 31, 2024·1 cites·2 claims
- 0489US8475605B2Surface layer-hardened steel part and method of manufacturing the sameKUBOTA MANABU·Filed 2011·Granted Jul 2, 2013·5 cites·14 claims
- 0589US6475306B1Hot rolled steel wire rod or bar for machine structural use and method for producing the sameNIPPON STEEL CORP·Filed 2001·Granted Nov 5, 2002·22 cites·5 claims
- 0682US8328956B2Carbonitrided induction hardened steel part superior in surface fatigue strength at high temperature and method of production of sameKOZAWA SHUJI·Filed 2008·Granted Dec 11, 2012·5 cites·8 claims
- 0781US8673094B2Case hardening steel and manufacturing method thereofHASHIMURA MASAYUKI·Filed 2011·Granted Mar 18, 2014·2 cites·13 claims
- 0880US8980022B2Case hardening steel, carburized component, and manufacturing method of case hardening steelMIYANISHI KEI·Filed 2010·Granted Mar 17, 2015·3 cites·3 claims
- 0979US6602358B1Outer race for constant velocity joint, having improved anti-flaking properties and shaft strength, and process for producing the sameNIPPON STEEL CORP·Filed 1999·Granted Aug 5, 2003·31 cites·4 claims
- 1079US6551419B2Hot-rolled steel wire and rod for machine structural use and a method for producing the sameNIPPON STEEL CORP·Filed 2001·Granted Apr 22, 2003·12 cites·4 claims
- 1179US6488787B1Cold workable steel bar or wire and processNIPPON STEEL CORP·Filed 2000·Granted Dec 3, 2002·13 cites·12 claims
- 1279US6261388B1Cold forging steel having improved resistance to grain coarsening and delayed fracture and process for producing sameNIPPON STEEL CORP·Filed 1999·Granted Jul 17, 2001·22 cites·4 claims
- 1376US8845825B2High strength spring-use heat treated steelHASHIMURA MASAYUKI·Filed 2007·Granted Sep 30, 2014·3 cites·7 claims
- 1476US8034199B2Case-hardening steel excellent in cold forgeability and low carburization distortion propertyNIPPON STEEL CORP·Filed 2007·Granted Oct 11, 2011·2 cites·7 claims
- 1575US6547890B2Steel wire rod for cold forging and method for producing the sameNIPPON STEEL CORP·Filed 2001·Granted Apr 15, 2003·10 cites·6 claims
- 1675US5725690ALong-life induction-hardened bearing steelNIPPON STEEL CORP·Filed 1995·Granted Mar 10, 1998·25 cites·11 claims
- 1774US6660105B1Case hardened steel excellent in the prevention of coarsening of particles during carburizing thereof, method of manufacturing the same, and raw shaped material for carburized partsNIPPON STEEL CORP·Filed 1998·Granted Dec 9, 2003·24 cites·9 claims
- 1869US12338516B2Damper springNIPPON STEEL CORP·Filed 2021·Granted Jun 24, 2025·0 cites·4 claims
- 1966US9657379B2Forging steelSAITOH HAJIME·Filed 2008·Granted May 23, 2017·1 cites·2 claims
- 2064US7438771B2Steel material for high strength constant velocity joint intermediate shaft and high strength constant velocity joint intermediate shaftNIPPON STEEL CORP·Filed 2005·Granted Oct 21, 2008·1 cites·4 claims
- 2162US12338518B2Valve springNIPPON STEEL CORP·Filed 2021·Granted Jun 24, 2025·0 cites·4 claims
- 2262US6866724B2Steel bar or wire rod for cold forging and method of producing the sameNIPPON STEEL CORP·Filed 2000·Granted Mar 15, 2005·5 cites·8 claims
- 2360US12006994B2Valve springNIPPON STEEL CORP·Filed 2020·Granted Jun 11, 2024·0 cites·2 claims
- 2459US6383311B1High strength drive shaft and process for producing the sameNIPPON STEEL CORP·Filed 1999·Granted May 7, 2002·15 cites·6 claims
- 2558US2023085279A1Steel wireNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 2657US5545267ASteel product for induction-hardened shaft component and shaft component using the sameNIPPON STEEL CORP·Filed 1994·Granted Aug 13, 1996·19 cites·12 claims
- 2756US5252153AProcess for producing steel bar wire rod for cold workingNIPPON STEEL CORP·Filed 1992·Granted Oct 12, 1993·10 cites·16 claims
- 2856US2012018063A1Case-hardened steel superiorin cold workability, machinability, and fatigue characteristics after carburized quenching and method of production of sameHASHIMURA MASAYUKI·Filed 2009·Application pending·0 cites
- 2949US5698159ALong-life carburizing bearing steelNIPPON STEEL CORP·Filed 1996·Granted Dec 16, 1997·10 cites·8 claims
- 3049US2006137766A1Case-hardening steel superior in tooth surface fatigue strength, gear using the same, and method of production of the sameNIPPON STEEL CORP AND HONDA MO·Filed 2005·Application pending·0 cites
- 3148US5705124AHigh carbon bearing steel having a long lifeNIPPON STEEL CORP·Filed 1995·Granted Jan 6, 1998·14 cites·4 claims
- 3247US5601667AProcess for producing hot forged steel having excellent fatigue strength, yield strength, and machinabilityNIPPON STEEL CORP·Filed 1995·Granted Feb 11, 1997·8 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →