Inventor · disambiguated record

Hisao Tsutsumi

Also filed as: ASAKAWA TOSHIRO · TSUTSUMI HISAO

19 granted patents·472 citations·filing 19751990

96Inventor score
Technology areasA61KA61QY10SC07CC07F
Files withKAO CORP18NIPPON KOKAN KK1

Top patents by PatentIndex Score

19 records

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