Inventor · disambiguated record
Sadayoshi Tajima
Also filed as: TAJIMA SADAYOSHI
3 granted patents·40 citations·filing 1989–1989
71Inventor score
Technology areasB21B
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0184US5038591ARolling mill and rolling mill methodHITACHI LTD·Filed 1989·Granted Aug 13, 1991·22 cites·37 claims
- 0255US5094094AHot-rolling equipment and a method of hot-rolling a slabHITACHI LTD·Filed 1989·Granted Mar 10, 1992·9 cites·9 claims
- 0353US4976128ARolling mill and method of exchanging rolls of rolling millHITACHI LTD·Filed 1989·Granted Dec 11, 1990·9 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →