Inventor · disambiguated record
Katsumasa Nagano
Also filed as: NAGANO KATSUMASA
6 granted patents·119 citations·filing 1978–1984
84Inventor score
Top patents by PatentIndex Score
6 records- 0193US4183867AMethod for preparation of internal olefin sulfonateLION FAT OIL CO LTD·Filed 1978·Granted Jan 15, 1980·40 cites·5 claims
- 0292US4248793AProcess for the production of internal olefin sulfonateLION FAT OIL CO LTD·Filed 1979·Granted Feb 3, 1981·40 cites·4 claims
- 0387US4545939AProcess for producing sulfonate of unsaturated fatty acid esterLION CORP·Filed 1984·Granted Oct 8, 1985·24 cites·7 claims
- 0466US4579687AProcess for producing salt of alpha-sulfo fatty acid alkyl esterLION CORP·Filed 1983·Granted Apr 1, 1986·8 cites·4 claims
- 0539US4561999ASurfactant compositionLION CORP·Filed 1984·Granted Dec 31, 1985·6 cites·4 claims
- 0633US4390475AThin film type sulfonation process of alkylbenzeneLION CORP·Filed 1981·Granted Jun 28, 1983·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →