Inventor · disambiguated record

Tsunao Shima

Also filed as: SHIMA TSUNAO

2 granted patents·46 citations·filing 1986–1986

65Inventor score

Technology areasC21D C23C

Files withCHUGAI RO KOGYO KAISHA LTD2

Top patents by PatentIndex Score

2 records

0186US4836864AMethod of gas carburizing and hardeningCHUGAI RO KOGYO KAISHA LTD·Filed 1986·Granted Jun 6, 1989·22 cites·3 claims
0268US4807853AContinuous furnace for gas carburizing and hardeningCHUGAI RO KOGYO KAISHA LTD·Filed 1986·Granted Feb 28, 1989·24 cites·19 claims

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