Inventor · disambiguated record
Hiroshi Tamehiro
Also filed as: TAMEHIRO HIROSHI
21 granted patents·656 citations·filing 1975–2000
96Inventor score
Top patents by PatentIndex Score
21 records- 0193US6264760B1Ultra-high strength, weldable steels with excellent ultra-low temperature toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted Jul 24, 2001·67 cites·40 claims
- 0292US5183198AMethod of producing clad steel plate having good low-temperature toughnessNIPPON STEEL CORP·Filed 1991·Granted Feb 2, 1993·34 cites·4 claims
- 0392US4521258AMethod of making wrought high tension steel having superior low temperature toughnessNIPPON STEEL CORP·Filed 1983·Granted Jun 4, 1985·39 cites·10 claims
- 0491US6248191B1Method for producing ultra-high strength, weldable steels with superior toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted Jun 19, 2001·41 cites·21 claims
- 0590US6224689B1Ultra-high strength, weldable, essentially boron-free steels with superior toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted May 1, 2001·37 cites·14 claims
- 0689US6532995B1Super-high-strength line pipe excellent in low temperature toughness and production method thereofNIPPON STEEL CORP·Filed 2000·Granted Mar 18, 2003·28 cites·4 claims
- 0788US6228183B1Ultra-high strength, weldable, boron-containing steels with superior toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted May 8, 2001·44 cites·15 claims
- 0888US5798004AWeldable high strength steel having excellent low temperature toughnessNIPPON STEEL CORP·Filed 1996·Granted Aug 25, 1998·45 cites·9 claims
- 0988US5755895AHigh strength line pipe steel having low yield ratio and excellent in low temperature toughnessNIPPON STEEL CORP·Filed 1996·Granted May 26, 1998·114 cites·12 claims
- 1086US4851052AMethod of producing steel plate with good low-temperature toughnessNIPPON STEEL CORPOPRATION·Filed 1988·Granted Jul 25, 1989·35 cites·5 claims
- 1185US4219371AProcess for producing high-tension bainitic steel having high-toughness and excellent weldabilityNIPPON STEEL CORP·Filed 1979·Granted Aug 26, 1980·25 cites·4 claims
- 1285US4138278AMethod for producing a steel sheet having remarkably excellent toughness at low temperaturesNIPPON STEEL CORP·Filed 1977·Granted Feb 6, 1979·25 cites·16 claims
- 1381US5985053ASteel having improved toughness in welding heat-affected zoneNIPPON STEEL CORP·Filed 1997·Granted Nov 16, 1999·32 cites·3 claims
- 1477US4105474AProcess for producing a high tension steel sheet product having an excellent low-temperature toughness with a yield point of 40 kg/mm2 or higherNIPPON STEEL CORP·Filed 1977·Granted Aug 8, 1978·16 cites·4 claims
- 1575US4591396AMethod of producing steel having high strength and toughnessNIPPON STEEL CORP·Filed 1984·Granted May 27, 1986·19 cites·16 claims
- 1665US5716465AHigh-corrosion-resistant martensitic stainless steel having excellent weldability and process for producing the sameNIPPON STEEL CORP·Filed 1995·Granted Feb 10, 1998·15 cites·16 claims
- 1758US4990196AProcess for manufacturing building construction steel having excellent fire resistance and low yield ratioNIPPON STEEL CORP·Filed 1989·Granted Feb 5, 1991·8 cites·12 claims
- 1857US3973999AMethod for producing a high tensile strength and high toughness bend pipeNIPPON STEEL CORP·Filed 1975·Granted Aug 10, 1976·9 cites·4 claims
- 1954US5147474ABuilding construction steel having excellent fire resistance and low yield ratioNIPPON STEEL CORP·Filed 1990·Granted Sep 15, 1992·9 cites·4 claims
- 2044US5723089ALine pipe metal arc welded with wire alloyNIPPON STEEL CORP·Filed 1997·Granted Mar 3, 1998·11 cites·3 claims
- 2134US5817275ASteel plate having excellent corrosion resistance and sulfide stress cracking resistanceNIPPON STEEL CORP·Filed 1995·Granted Oct 6, 1998·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →