Inventor · disambiguated record
Sadao Yoshizawa
Also filed as: YOSHIZAWA SADAO
4 granted patents·47 citations·filing 1992–1999
76Inventor score
Technology areasB21B
Top patents by PatentIndex Score
4 records- 0180US5363682AFour-roller type sizing mill apparatus for producing round steel rodsKAWASAKI STEEL CO·Filed 1992·Granted Nov 15, 1994·24 cites·2 claims
- 0257US6237387B1Entrance roller guide apparatusKOTOBUKI SANGYO·Filed 1999·Granted May 29, 2001·8 cites·34 claims
- 0354US5412970AGuiding method for steel materials to be rolled and roller guide system thereforKOTOBUKI SANGYO·Filed 1993·Granted May 9, 1995·9 cites·2 claims
- 0446US5970772APositioning control device for guide apparatusKOTOBUKI SANGYO·Filed 1999·Granted Oct 26, 1999·6 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →