Inventor · disambiguated record
Yasuharu Sakuma
Also filed as: SAKUMA YASUHARU
12 granted patents·1 pending application·151 citations·filing 1995–2012
90Inventor score
Top patents by PatentIndex Score
13 records- 0190US6544354B1High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereofNIPPON STEEL CORP·Filed 1998·Granted Apr 8, 2003·41 cites·10 claims
- 0287US6319338B1High-strength steel plate having high dynamic deformation resistance and method of manufacturing the sameNIPPON STEEL CORP·Filed 1997·Granted Nov 20, 2001·35 cites·11 claims
- 0381US8657970B2Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the sameYOSHINAGA NAOKI·Filed 2008·Granted Feb 25, 2014·4 cites·9 claims
- 0477US8747577B2High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of sameYOSHINAGA NAOKI·Filed 2011·Granted Jun 10, 2014·5 cites·5 claims
- 0577US5618355AHigh-strength steel sheet suitable for deep drawing and process for producing the sameNIPPON STEEL CORP·Filed 1995·Granted Apr 8, 1997·23 cites·11 claims
- 0670US5855696AUltra low carbon, cold rolled steel sheet and galvanized steel sheet having improved fatigue properties and processes for producing the sameNIPPON STEEL CORP·Filed 1996·Granted Jan 5, 1999·17 cites·18 claims
- 0762US7413780B2High strength galvannealed steel sheet excellent in workability and a method of production of the sameNIPPON STEEL CORP·Filed 2002·Granted Aug 19, 2008·6 cites·6 claims
- 0856US10023947B2High strength steel plate with ultimate tensile strength of 900 MPa or more excellent in hydrogen embrittlement resistance and method of production of sameAZUMA MASAFUMI·Filed 2010·Granted Jul 17, 2018·0 cites·14 claims
- 0951US8163108B2High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the sameAZUMA MASAFUMI·Filed 2009·Granted Apr 24, 2012·0 cites·6 claims
- 1050US6129992AHigh-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the sameNIPPON STEEL CORP·Filed 1999·Granted Oct 10, 2000·16 cites·20 claims
- 1148US8084143B2High-yield-ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield-ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of sameYOSHINAGA NAOKI·Filed 2004·Granted Dec 27, 2011·1 cites·4 claims
- 1247US2014178712A1High yield ratio hot rolled steel sheet which has excellent low temperature impact energy absorption and haz softening resistance and method of production of sameMARUYAMA NAOKI·Filed 2012·Application pending·0 cites
- 1333US6511553B1Steel for steel excellent in workability and method of deoxidizing sameNIPPON STEEL CORP·Filed 1999·Granted Jan 28, 2003·3 cites·6 claims
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