Inventor · disambiguated record
Hirotake Ishitobi
Also filed as: ISHITOBI HIROTAKE
9 granted patents·77 citations·filing 1985–1997
88Inventor score
Files withKAWASAKI STEEL CO9
Top patents by PatentIndex Score
9 records- 0166US4548868ASurface treatment of zinc alloy electroplated steel stripsKAWASAKI STEEL CO·Filed 1985·Granted Oct 22, 1985·28 cites·5 claims
- 0260US5725681AProcess for producing grain oriented silicon steel sheet, and decarburized sheetKAWASAKI STEEL CO·Filed 1996·Granted Mar 10, 1998·10 cites·8 claims
- 0350US4906530AGrain oriented electromagnetic steel sheets having a very low iron lossKAWASAKI STEEL CO·Filed 1988·Granted Mar 6, 1990·6 cites·5 claims
- 0448US5125991ASilicon steel sheets having low iron loss and method of producing the sameKAWASAKI STEEL CO·Filed 1990·Granted Jun 30, 1992·12 cites·2 claims
- 0546US5620533AMethod for making grain-oriented silicon steel sheet having excellent magnetic propertiesKAWASAKI STEEL CO·Filed 1995·Granted Apr 15, 1997·7 cites·4 claims
- 0645US5306353AMethod of producing grain oriented silicon steel sheets having less iron lossKAWASAKI STEEL CO·Filed 1992·Granted Apr 26, 1994·6 cites·9 claims
- 0740US4963197AGrain oriented electromagnetic steel sheets having a very low iron loss and method of producing the sameKAWASAKI STEEL CO·Filed 1989·Granted Oct 16, 1990·3 cites·7 claims
- 0831US5885374AProcess for producing grain oriented silicon steel sheet and decarburized sheetKAWASAKI STEEL CO·Filed 1997·Granted Mar 23, 1999·3 cites·3 claims
- 0926US5472520AMethod of controlling oxygen deposition during decarbutization annealing on steel sheetsKAWASAKI STEEL CO·Filed 1994·Granted Dec 5, 1995·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →