Inventor · disambiguated record
Yoshin Tamai
Also filed as: TAMAI YOSHIN
37 granted patents·273 citations·filing 1974–2002
97Inventor score
Top patents by PatentIndex Score
37 records- 0191US4026960A2,7,10,15,18,23-Hexamethyltetra-cosaneKURARAY CO·Filed 1974·Granted May 31, 1977·34 cites·1 claims
- 0290US4959393ASkin depigmental agentKURARAY CO·Filed 1989·Granted Sep 25, 1990·93 cites·6 claims
- 0385US3983175AProcess for the production of a substituted ketoneKURARAY CO·Filed 1975·Granted Sep 28, 1976·18 cites·23 claims
- 0481US6897335B2Process for preparation of 2-oxocarboxylic acid estersKURARAY CO·Filed 2002·Granted May 24, 2005·14 cites·2 claims
- 0579US5290955AProcess for producing L-ambroxKURARAY CO·Filed 1992·Granted Mar 1, 1994·15 cites·4 claims
- 0675US4299839ANovel pesticides and pesticidal compositions cyclopropanecarboxylates and pesticidal methodKURARAY CO·Filed 1979·Granted Nov 10, 1981·9 cites·2 claims
- 0770US5663461AProcess for producing geranylgeraniolKURARAY CO·Filed 1995·Granted Sep 2, 1997·12 cites·10 claims
- 0870US4053380A1,1,1-trihalogeno-4-methylpentenes, method of preparing the same and use of the same in the preparation of 1,1-dihalogeno-4-methyl-1,3-pentadienesKURRARAY CO LTD·Filed 1976·Granted Oct 11, 1977·9 cites·41 claims
- 0969US5621146AProcess for producing 2,4-dihydroxyacetophenoneKURARAY CO·Filed 1995·Granted Apr 15, 1997·11 cites·10 claims
- 1066US5498799AProcess for producing optically active 2-norbornanoneKURARAY CO·Filed 1994·Granted Mar 12, 1996·9 cites·7 claims
- 1161US6452004B1Cyclopentenecarboxamide derivative, method for preparing the same bicycloamide derivative used thereinKURARAY CO·Filed 2000·Granted Sep 17, 2002·2 cites·21 claims
- 1260US3984475AProcess for the production of substituted ketonesKURARAY CO·Filed 1975·Granted Oct 5, 1976·5 cites·26 claims
- 1357US6855824B2Processes for preparing quinoline derivatives and intermediates thereofKURARAY CO·Filed 2001·Granted Feb 15, 2005·1 cites·3 claims
- 1457US5495026AProcess for producing chromanKURARAY CO·Filed 1994·Granted Feb 27, 1996·7 cites·8 claims
- 1557US5312978AProcess for producing vitamin A acidKURARAY CO·Filed 1993·Granted May 17, 1994·5 cites·10 claims
- 1651US6482957B2Cyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative used thereinKURARAY CO·Filed 2002·Granted Nov 19, 2002·0 cites·6 claims
- 1747US6127539ACyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative used thereinKURARAY CO·Filed 1998·Granted Oct 3, 2000·2 cites·13 claims
- 1846US5817812ACyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative used thereinKURARAY CO·Filed 1996·Granted Oct 6, 1998·2 cites·22 claims
- 1946US5714645AProcess for producing all trans-form polyprenolsKURARAY CO·Filed 1996·Granted Feb 3, 1998·3 cites·9 claims
- 2044US5347048AProcess for producing (±)-2,5,5,8a-tetramethyl-1-(carboxymethyl)-2-hydroxydecalinKURARAY CO·Filed 1993·Granted Sep 13, 1994·2 cites·18 claims
- 2144US4837351A2-cyano-4-phenyl pentane and fragrance or perfume compositions containing the sameKURARAY CO·Filed 1987·Granted Jun 6, 1989·4 cites·10 claims
- 2243US6159928ACis-configurational unsaturated ester, process for producing the same, and fragrance composition containing the sameKURARAY CO·Filed 1999·Granted Dec 12, 2000·6 cites·6 claims
- 2341US6624331B1Process for the preparation of benzyloxyacetaldehydeKURARAY CO·Filed 2000·Granted Sep 23, 2003·0 cites·17 claims
- 2441US6500978B2Process for producing cyclopropanecarbonitrileKURARAY CO·Filed 2002·Granted Dec 31, 2002·0 cites·20 claims
- 2541US3981930ADiacetylene diol derivatives and process for preparing the sameKURARAY CO·Filed 1975·Granted Sep 21, 1976·1 cites·6 claims
- 2640US4950818AMethod for treating ulcerKURARAY CO·Filed 1989·Granted Aug 21, 1990·1 cites·10 claims
- 2740US4315029ARacemic modification consisting of specific isomers of α-cyano-3-phenoxybenzyl cis- or trans-2,2-dimethyl-3-(2,2,2-trichloroethyl)cyclopropanecarboxylate, production thereof and pesticidal compositions containing the sameKURARAY CO·Filed 1980·Granted Feb 9, 1982·1 cites·58 claims
- 2838US5185470AProcess for producing ironeKURARAY CO·Filed 1992·Granted Feb 9, 1993·1 cites·7 claims
- 2937US7038059B2Process for preparation of 4-n-substituted amino-2-aza-1-oxabicyclo[3.3.0] oct-2-ene-6-carboxylic acid esters and process for preparation of their intermediatesKURARAY CO·Filed 2001·Granted May 2, 2006·0 cites·2 claims
- 3036US4656195AEthylene oxide adducts, method of producing same and cosmetics and ointments containing sameKURARAY CO·Filed 1985·Granted Apr 7, 1987·4 cites·4 claims
- 3132US4532258ACertain cyclopropane carboxylic acid esters and their pesticidal useKURARAY CO·Filed 1979·Granted Jul 30, 1985·0 cites·12 claims
- 3231US6133471AProcess for producing chromansKURARAY CO·Filed 1999·Granted Oct 17, 2000·0 cites·1 claims
- 3330US6130341AProcess for producing chromansKURARAY CO·Filed 1998·Granted Oct 10, 2000·0 cites·22 claims
- 3430US5278343AProcess for producing 2-methyl-1-naphtholKURARAY CO·Filed 1993·Granted Jan 11, 1994·1 cites·16 claims
- 3530US4390547A2,2-Dimethyl-3-(substituted ethyl)cyclopropane carboxylate pesticidal compositions and methodsKURARAY CO·Filed 1981·Granted Jun 28, 1983·0 cites·93 claims
- 3628US5084464AConjugated γ-hydroxybutenolide compounds and antiulcer agents containing the same as an effective ingredientKURARAY CO·Filed 1990·Granted Jan 28, 1992·0 cites·10 claims
- 3727US5981811AProcess for preparing polyprenolsKURARAY CO·Filed 1998·Granted Nov 9, 1999·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →