Inventor · disambiguated record

Hisao Matsushima

Also filed as: MATSUSHIMA HISAO

2 granted patents·57 citations·filing 1989–2000

65Inventor score

Technology areasB21B B24B

Files withMITSUBISHI HEAVY IND LTD1 NORITAKE CO LTD1

Top patents by PatentIndex Score

2 records

0189US6425278B1Roll changing apparatus of rolling millMITSUBISHI HEAVY IND LTD·Filed 2000·Granted Jul 30, 2002·20 cites·4 claims
0282US4989375AGrinding wheel having high impact resistance, for grinding rolls as installed in placeNORITAKE CO LTD·Filed 1989·Granted Feb 5, 1991·37 cites·13 claims

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