Inventor · disambiguated record

Toshihiko Tutumi

Also filed as: TUTUMI TOSHIHIKO

2 granted patents·55 citations·filing 1987–1989

65Inventor score

Technology areasC02F F16C

Files withDAIDO METAL CO1 MITSUI TOATSU CHEMICALS1

Top patents by PatentIndex Score

2 records

0183US5039575ASingle body and composite sliding membersDAIDO METAL CO·Filed 1989·Granted Aug 13, 1991·39 cites·16 claims
0249US4784772AMethod for the production and use of ultrapure water and apparatus thereforMITSUI TOATSU CHEMICALS·Filed 1987·Granted Nov 15, 1988·16 cites·5 claims

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