Inventor · disambiguated record

Hisao Isogai

Also filed as: ISOGAI HISAO

2 granted patents·20 citations·filing 1987–1993

59Inventor score

Technology areasB22D C22B

Files withNIPPON LIGHT METAL CO2

Top patents by PatentIndex Score

2 records

0166US5350007AInjection apparatus for a hot-chamber die-cast machineNIPPON LIGHT METAL CO·Filed 1993·Granted Sep 27, 1994·12 cites·8 claims
0244US4817918AApparatus for filtering molten scraps of metal for regenerationNIPPON LIGHT METAL CO·Filed 1987·Granted Apr 4, 1989·8 cites·3 claims

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