Inventor · disambiguated record
Susumu Akutagawa
Also filed as: AKUTAGAWA SUSUMU
31 granted patents·429 citations·filing 1974–1993
97Inventor score
Files withTAKASAGO PERFUMERY CO LTD31
Top patents by PatentIndex Score
31 records- 0194US4739084ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Apr 19, 1988·45 cites·5 claims
- 0289US4604474ARhodium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1985·Granted Aug 5, 1986·26 cites·1 claims
- 0387US4691037ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1986·Granted Sep 1, 1987·61 cites·1 claims
- 0486US4962230AProcess for producing optically active carboxylic acidTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Oct 9, 1990·25 cites·7 claims
- 0586US4851537AProcess for preparing N-acyltetrahydroisoquinolineTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Jul 25, 1989·22 cites·6 claims
- 0684US4739085ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Apr 19, 1988·22 cites·1 claims
- 0782US4933482AProcess for preparing optically active alcoholTAKASAGO PERFUMERY CO LTD·Filed 1988·Granted Jun 12, 1990·18 cites·2 claims
- 0881US4962242AProcess for producing optically active alcoholsTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Oct 9, 1990·17 cites·5 claims
- 0980US4766225ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Aug 23, 1988·15 cites·5 claims
- 1079US4766227ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Aug 23, 1988·14 cites·4 claims
- 1177US5264547AOptically active ether lactone, optically active polymer thereof, and process for producing the polymerTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Nov 23, 1993·16 cites·5 claims
- 1277US4695631AProcess for the preparation of enamines or iminesTAKASAGO PERFUMERY CO LTD·Filed 1982·Granted Sep 22, 1987·17 cites·1 claims
- 1376US4605750ARhodium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1984·Granted Aug 12, 1986·24 cites·1 claims
- 1475US5352763ABiodegradable optically active polymers and intermediate oligomers thereof, and process for producing themTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Oct 4, 1994·24 cites·2 claims
- 1574US4916252AProcess for preparing optically active alcoholTAKASAGO PERFUMERY CO LTD·Filed 1988·Granted Apr 10, 1990·21 cites·3 claims
- 1668US5159093AIridium-optically active phosphine complex and process for producing optically active alcohols using the sameTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Oct 27, 1992·12 cites·2 claims
- 1764US4764629ARuthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Aug 16, 1988·7 cites·2 claims
- 1860US4705895A5,5'-diamino or 5,5'-diacetamido-2,2'-bis(diphenylphosphino)-1,1'-binaphthylsTAKASAGO PERFUMERY CO LTD·Filed 1986·Granted Nov 10, 1987·9 cites·1 claims
- 1957US4347387AProcess for preparing hydroxycitronellalTAKASAGO PERFUMERY CO LTD·Filed 1980·Granted Aug 31, 1982·5 cites·11 claims
- 2056US4144257AProcess for preparing derivatives of conjugated diene dimersTAKASAGO PERFUMERY CO LTD·Filed 1976·Granted Mar 13, 1979·4 cites·12 claims
- 2154US4886623AFerroelectric smectic liquid crystal compound and composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Dec 12, 1989·11 cites·7 claims
- 2247US3970593ATricyclic hydrocarbon and process for producing the sameTAKASAGO PERFUMERY CO LTD·Filed 1974·Granted Jul 20, 1976·2 cites·2 claims
- 2346US5221755AOptically active ether lactone, optically active polymer thereof, and process for producing the polymerTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted Jun 22, 1993·2 cites·1 claims
- 2441US3962340A1,2,6-Trimethyltricyclo[5,3,2,02,7 ]dodeca-5-oneTAKASAGO PERFUMERY CO LTD·Filed 1974·Granted Jun 8, 1976·1 cites·1 claims
- 2540US4520212AProcess for producing myrcenolTAKASAGO PERFUMERY CO LTD·Filed 1983·Granted May 28, 1985·1 cites·10 claims
- 2640US3988366A5-Acetyl-1,2,6-trimethyltricyclo[5,3,2,02,7 ]dodeca-5-ene perfume compositionTAKASAGO PERFUMERY CO LTD·Filed 1975·Granted Oct 26, 1976·1 cites·1 claims
- 2740US3984355A1,2,6-Trimethyltricyclo[5,3,2,02,7 ]dodeca-5-one perfume compositionTAKASAGO PERFUMERY CO LTD·Filed 1975·Granted Oct 5, 1976·1 cites·1 claims
- 2840US3963782A5-Acetyl-1,2,6-trimethyltricyclo[5,3,2,02,7 ]dodeca-5-eneTAKASAGO PERFUMERY CO LTD·Filed 1974·Granted Jun 15, 1976·2 cites·1 claims
- 2939US4564708AOptical resolution of the racemic modification of 2,2'-bis(diphenylphosphino)-1,1'-binaphthyldioxideTAKASAGO PERFUMERY CO LTD·Filed 1984·Granted Jan 14, 1986·1 cites·4 claims
- 3035US5210332AIridium-optically active phosphine complex and process for producing optically active alcohols using the sameTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted May 11, 1993·1 cites·8 claims
- 3131US5049308AFerroelectric smectic liquid crystal compound and composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1989·Granted Sep 17, 1991·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →