Inventor · disambiguated record
Katsuro Kuroki
Also filed as: KUROKI KATSURO
24 granted patents·474 citations·filing 1975–1995
97Inventor score
Files withNIPPON STEEL CORP24
Top patents by PatentIndex Score
24 records- 0197US4293350AGrain-oriented electromagnetic steel sheet with improved watt lossNIPPON STEEL CORP·Filed 1979·Granted Oct 6, 1981·57 cites·15 claims
- 0296US3990923AMethod of producing grain oriented electromagnetic steel sheetNIPPON STEEL CORP·Filed 1975·Granted Nov 9, 1976·65 cites·14 claims
- 0389US4203784AGrain oriented electromagnetic steel sheetNIPPON STEEL CORP·Filed 1978·Granted May 20, 1980·33 cites·12 claims
- 0487US5512110AProcess for production of grain oriented electrical steel sheet having excellent magnetic propertiesNIPPON STEEL CORP·Filed 1995·Granted Apr 30, 1996·37 cites·10 claims
- 0587US4979997AProcess for producing grain-oriented electrical steel sheet having superior magnetic and surface film characteristicsNIPPON STEEL CORP·Filed 1990·Granted Dec 25, 1990·29 cites·5 claims
- 0686US5507883AGrain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the sameNIPPON STEEL CORP·Filed 1994·Granted Apr 16, 1996·30 cites·9 claims
- 0780US4318758AMethod for producing a grain-oriented magnetic steel sheet having good magnetic propertiesNIPPON STEEL CORP·Filed 1979·Granted Mar 9, 1982·18 cites·4 claims
- 0878US4979996AProcess for preparation of grain-oriented electrical steel sheet comprising a nitriding treatmentNIPPON STEEL CORP·Filed 1989·Granted Dec 25, 1990·18 cites·5 claims
- 0977US4863532AGrain-oriented electromagnetic steel sheetNIPPON STEEL CORP·Filed 1988·Granted Sep 5, 1989·13 cites·15 claims
- 1077US4753692AGrain-oriented electromagnetic steel sheet and process for producing the sameNIPPON STEEL CORP·Filed 1986·Granted Jun 28, 1988·14 cites·8 claims
- 1172US4938807AProcess for production of grain oriented electrical steel sheet having high flux densityNIPPON STEEL CORP·Filed 1989·Granted Jul 3, 1990·13 cites·6 claims
- 1271US4692193AProcess for producing a grain-oriented electrical steel sheet having a low watt lossNIPPON STEEL CORP·Filed 1985·Granted Sep 8, 1987·13 cites·4 claims
- 1367US5049205AProcess for preparing unidirectional silicon steel sheet having high magnetic flux densityNIPPON STEEL CORP·Filed 1990·Granted Sep 17, 1991·18 cites·4 claims
- 1467US4806176AProcess for producing a grain-oriented electromagnetic steel sheet having a high magnetic flux densityNIPPON STEEL CORP·Filed 1982·Granted Feb 21, 1989·13 cites·7 claims
- 1567US4595426AGrain-oriented silicon steel sheet and process for producing the sameNIPPON STEEL CORP·Filed 1985·Granted Jun 17, 1986·16 cites·3 claims
- 1662US4742706AStrain imparting deviceNIPPON STEEL CORP·Filed 1986·Granted May 10, 1988·16 cites·1 claims
- 1760US4548656AMethod and apparatus for reducing the watt loss of a grain-oriented electromagnetic steel sheet and a grain-oriented electromagnetic steel sheet having a low watt lossNIPPON STEEL CORP·Filed 1982·Granted Oct 22, 1985·11 cites·3 claims
- 1859US4994120AProcess for production of grain oriented electrical steel sheet having high flux densityNIPPON STEEL CORP·Filed 1988·Granted Feb 19, 1991·12 cites·12 claims
- 1956US5261972AProcess for producing grain-oriented electrical steel strip having high magnetic flux densityNIPPON STEEL CORP·Filed 1992·Granted Nov 16, 1993·10 cites·2 claims
- 2050US5840131AProcess for producing grain-oriented electrical steel sheet having excellent glass film and magnetic propertiesNIPPON STEEL CORP·Filed 1995·Granted Nov 24, 1998·12 cites·10 claims
- 2149US5782998AGrain oriented electrical steel sheet having specular surfaceNIPPON STEEL CORP·Filed 1993·Granted Jul 21, 1998·7 cites·13 claims
- 2246US4552596AGrain-oriented electromagnetic steel sheet with improved watt lossNIPPON STEEL CORP·Filed 1982·Granted Nov 12, 1985·10 cites·26 claims
- 2345US4992114AProcess for producing grain-oriented thin electrical steel sheet having high magnetic flux density by one-stage cold-rolling methodNIPPON STEEL CORP·Filed 1989·Granted Feb 12, 1991·5 cites·2 claims
- 2441US4948433AProcess for preparation of thin grain oriented electrical steel sheet having excellent iron loss and high flux densityNIPPON STEEL CORP·Filed 1988·Granted Aug 14, 1990·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →