Inventor · disambiguated record
Shizunori Hayakawa
Also filed as: HAYAKAWA SHIZUNORI
3 granted patents·37 citations·filing 1979–1990
70Inventor score
Top patents by PatentIndex Score
3 records- 0181US5027880ATundish changing apparatus in a continuous casting installationDAIDO STEEL CO LTD·Filed 1990·Granted Jul 2, 1991·22 cites·2 claims
- 0252US4308415AProcess for refining a molten metal and an apparatus thereforDAIDO STEEL CO LTD·Filed 1979·Granted Dec 29, 1981·8 cites·7 claims
- 0341US4371392AProcess for refining a molten metalDAIDO TOKISHUKO KABUSHIKI KAIS·Filed 1981·Granted Feb 1, 1983·7 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →