Inventor · disambiguated record

Ryota Yamaba

Also filed as: YAMABA RYOTA

7 granted patents·64 citations·filing 1989–1997

84Inventor score

Technology areasC21D

Files withNIPPON STEEL CORP7

Top patents by PatentIndex Score

7 records

0174US5062905AMethod of producing non-oriented magnetic steel plate having high magnetic flux densityNIPPON STEEL CORP·Filed 1990·Granted Nov 5, 1991·18 cites·10 claims
0261US5061325AMethod of producing high tension steel superior in weldability and low-temperature toughnessNIPPON STEEL CORP·Filed 1990·Granted Oct 29, 1991·13 cites·2 claims
0359US5037493AMethod of producing non-oriented magnetic steel plate having high magnetic flux density and uniform magnetic properties through the thickness directionNIPPON STEEL CORP·Filed 1990·Granted Aug 6, 1991·12 cites·15 claims
0456US4950336AMethod of producing non-oriented magnetic steel heavy plate having high magnetic flux densityNIPPON STEEL CORP·Filed 1989·Granted Aug 21, 1990·9 cites·11 claims
0545US4988393AMethod for producing high-strength steel having improved weldabilityNIPPON STEEL CORP·Filed 1989·Granted Jan 29, 1991·5 cites·11 claims
0640US5827379AProcess for producing extra high tensile steel having excellent stress corrosion cracking resistanceNIPPON STEEL CORP·Filed 1997·Granted Oct 27, 1998·5 cites·2 claims
0730US5447581AProcess for producing extra high tensile steel in 1080 MPa yield strength class having excellent stress corrosion cracking resistanceNIPPON STEEL CORP·Filed 1993·Granted Sep 5, 1995·2 cites·2 claims

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