Inventor · disambiguated record
Yoshiichi Ishizawa
Also filed as: ISHIZAWA YOSHIICHI
4 granted patents·57 citations·filing 1991–1995
76Inventor score
Files withNIPPON KOKAN KK4
Top patents by PatentIndex Score
4 records- 0184US5496421AHigh-strength martensitic stainless steel and method for making the sameNIPPON KOKAN KK·Filed 1994·Granted Mar 5, 1996·40 cites·40 claims
- 0241US5653899AMethod of making a steel pipe by electric resistance heating of opposing edges of a sheet prior to laser weldingNIPPON KOKAN KK·Filed 1995·Granted Aug 5, 1997·11 cites·12 claims
- 0331US5431748AElectric-resistance-welded steel pipe with high strengthNIPPON KOKAN KK·Filed 1994·Granted Jul 11, 1995·3 cites·5 claims
- 0431US5286309AElectric-resistance-welded steel pipe with high strengthNIPPON KOKAN KK·Filed 1991·Granted Feb 15, 1994·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →