Inventor · disambiguated record

Toshikatsu Okao

Also filed as: OKAO TOSHIKATSU

1 granted patent·13 citations·filing 1989–1989

35Inventor score

Technology areasB22D

Files withHITACHI SHIPBUILDING ENG CO1

Top patents by PatentIndex Score

1 record

0166US4987949AProtective cover for surface of molten steel used in continuous casting apparatusHITACHI SHIPBUILDING ENG CO·Filed 1989·Granted Jan 29, 1991·13 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →