Inventor · disambiguated record
Yukihiro Tsutsumi
Also filed as: TSUTSUMI YUKIHIRO
23 granted patents·307 citations·filing 1979–1989
96Inventor score
Top patents by PatentIndex Score
23 records- 0194US4263449AProcess for producing alcoholsTOYO SODA MFG CO LTD·Filed 1980·Granted Apr 21, 1981·48 cites·8 claims
- 0291US4617286ACatalyst for polyurethane having delay propertyTOYO SODA MFG CO LTD·Filed 1984·Granted Oct 14, 1986·48 cites·10 claims
- 0386US4247708AMethod for rendering fine oxide powder hydrophobicTOYO SODA MFG CO LTD·Filed 1979·Granted Jan 27, 1981·31 cites·5 claims
- 0485US5015526ARadiation-resistant high molecular compositionTOYO SODA MFG CO LTD·Filed 1989·Granted May 14, 1991·29 cites·15 claims
- 0583US4906782AProcess for preparation of alkyleneaminesTOYO SODA MFG CO LTD·Filed 1987·Granted Mar 6, 1990·35 cites·9 claims
- 0679US4625064AMethod for producing bis [β(N,N-dimethylamino)ethyl]etherTOYO SODA MFG CO LTD·Filed 1984·Granted Nov 25, 1986·15 cites·6 claims
- 0779US4275243AProcess for producing hydroxybutyraldehydeTOYO SODA MFG CO LTD·Filed 1979·Granted Jun 23, 1981·12 cites·6 claims
- 0877US4528410AProcess for preparation of alcohols by hydration of olefinsTOYO SODA MFG CO LTD·Filed 1983·Granted Jul 9, 1985·12 cites·18 claims
- 0966US4861929AProcess for producing halogenated benzene derivative using zeolite catalystTOSOH CORP·Filed 1986·Granted Aug 29, 1989·8 cites·8 claims
- 1066US4849560AProcess for preparation of halogenated benzene derivativesTOYO SODA MFG CO LTD·Filed 1988·Granted Jul 18, 1989·8 cites·12 claims
- 1165US4845297AProcess for producing polyaminesTOYO SODA MFG CO LTD·Filed 1987·Granted Jul 4, 1989·7 cites·26 claims
- 1264US4898998AProcess for producing brominated acenaphthylene condensatesTOYO SODA MFG CO LTD·Filed 1984·Granted Feb 6, 1990·7 cites·13 claims
- 1357US4980507AProcess for producing polyethylenepolyamineTOSOH CORP·Filed 1989·Granted Dec 25, 1990·6 cites·7 claims
- 1457US4900766ARadiation-resistant high molecular compositionTOYO SODA MFG CO LTD·Filed 1987·Granted Feb 13, 1990·10 cites·9 claims
- 1551US4277414AProcess for producing catalystTOYO SODA MFG CO LTD·Filed 1980·Granted Jul 7, 1981·10 cites·4 claims
- 1649US4792644APreparation of halogenated benzene derivativesTOSOH CORP·Filed 1987·Granted Dec 20, 1988·3 cites·13 claims
- 1749US4492803AMethod for producing bis[β-(N,N-dimethylamino)alkyl]-etherTOYO SODA MFG CO LTD·Filed 1983·Granted Jan 8, 1985·3 cites·14 claims
- 1847US4914247AProcess for preparing para-substituted halogenobenzene derivativesTOYO SODA MFG CO LTD·Filed 1989·Granted Apr 3, 1990·9 cites·12 claims
- 1944US5004567AProcess for producing fluorine-containing aliphatic carboxylic acidsTOSOH CORP·Filed 1988·Granted Apr 2, 1991·3 cites·1 claims
- 2039US4490556AMethod for preparing bis[β-(N,N-dimethylamino)ethyl]etherTOYO SODA MFG CO LTD·Filed 1983·Granted Dec 25, 1984·1 cites·7 claims
- 2138US4740641AProducing a halogenated benzene derivative using zeolite catalyst treated with alkali solution of pH 11 or moreTOSOH CORP·Filed 1986·Granted Apr 26, 1988·1 cites·7 claims
- 2234US4731493AProcess for producing condensed bromoacenaphthyleneTOYO SODA MFG CO LTD·Filed 1986·Granted Mar 15, 1988·1 cites·19 claims
- 2320US4760211AProcess for producing brominated acenaphthylene and its condensatesTOYO SODA MFG CO LTD·Filed 1986·Granted Jul 26, 1988·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →