Inventor · disambiguated record
Tooru Tokumaru
Also filed as: TOKUMARU TOORU
6 granted patents·41 citations·filing 1974–1995
77Inventor score
Top patents by PatentIndex Score
6 records- 0191US4912264AMethod for producing hydroxy-containing alkylated aromatic compoundsSUMITOMO CHEMICAL CO·Filed 1987·Granted Mar 27, 1990·32 cites·12 claims
- 0241US3980662AProcess for preparing acid amidesSUMITOMO CHEMICAL CO·Filed 1974·Granted Sep 14, 1976·7 cites·17 claims
- 0332US5442114AProcess for producing aromatic amide compoundsSUMITOMO CHEMICAL CO·Filed 1994·Granted Aug 15, 1995·1 cites·14 claims
- 0428US5600026AProcess for production of cresolsSUMITOMO CHEMICAL CO·Filed 1995·Granted Feb 4, 1997·0 cites·22 claims
- 0528US5399791AProcess for production of cresolsSUITOMO CHEMICAL COMPANY LIMIT·Filed 1994·Granted Mar 21, 1995·1 cites·19 claims
- 0619US4769494AProcess for producing O,O-di-lower-alkylchlorothiophosphateSUMITOMO CHEMICAL CO·Filed 1987·Granted Sep 6, 1988·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →