Inventor · disambiguated record
Shizuo Sekiguchi
Also filed as: KITANO KYOZO · SEKIGUCHI SHIZUO
15 granted patents·407 citations·filing 1975–1992
94Inventor score
Top patents by PatentIndex Score
15 records- 0193US5190747AOral or detergent composition comprising a nonionic surface active agentLION CORP·Filed 1992·Granted Mar 2, 1993·120 cites·17 claims
- 0293US4183867AMethod for preparation of internal olefin sulfonateLION FAT OIL CO LTD·Filed 1978·Granted Jan 15, 1980·40 cites·5 claims
- 0392US4248793AProcess for the production of internal olefin sulfonateLION FAT OIL CO LTD·Filed 1979·Granted Feb 3, 1981·40 cites·4 claims
- 0487US4545939AProcess for producing sulfonate of unsaturated fatty acid esterLION CORP·Filed 1984·Granted Oct 8, 1985·24 cites·7 claims
- 0585US4404143AProcess for producing high concentration solution of salt of alpha-sulfo fatty acid esterLION CORP·Filed 1981·Granted Sep 13, 1983·22 cites·7 claims
- 0681US5109127ANonionic surface active agentLION CORP·Filed 1990·Granted Apr 28, 1992·52 cites·7 claims
- 0780US4816188AProcess for the preparation of saturated/unsaturated mixed fatty acid ester sulfonatesLION CORP·Filed 1988·Granted Mar 28, 1989·43 cites·7 claims
- 0870US4021460AMethod for manufacturing α-sulfo fatty acid ester saltLION FAT OIL CO LTD·Filed 1975·Granted May 3, 1977·8 cites·7 claims
- 0966US4579687AProcess for producing salt of alpha-sulfo fatty acid alkyl esterLION CORP·Filed 1983·Granted Apr 1, 1986·8 cites·4 claims
- 1065US5154855AEmulsified compositionLION CORP·Filed 1990·Granted Oct 13, 1992·32 cites·13 claims
- 1156US4318823ALight colored homogeneous and aqueous alpha olefin sulfonate solutionsLION FAT OIL CO LTD·Filed 1979·Granted Mar 9, 1982·4 cites·3 claims
- 1239US4561999ASurfactant compositionLION CORP·Filed 1984·Granted Dec 31, 1985·6 cites·4 claims
- 1338US4185034ABleaching olefin sulfonates with phosphate and peroxideLION FAT OIL CO LTD·Filed 1978·Granted Jan 22, 1980·1 cites·5 claims
- 1435US4279786AHomogeneous aqueous alpha-olefin sulfonate compositionLION FAT OIL CO LTD·Filed 1979·Granted Jul 21, 1981·5 cites·3 claims
- 1531US4309317AClear aqueous olefin sulfonate solutionLION CORP·Filed 1980·Granted Jan 5, 1982·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →