Inventor · disambiguated record
Kazushi Mashima
Also filed as: MASHIMA KAZUSHI
12 granted patents·9 pending applications·46 citations·filing 1989–2022
86Inventor score
Files withTAKASAGO PERFUMERY CO LTD10MASHIMA KAZUSHI4TOKUYAMA CORP2TOYOTA MOTOR CO LTD2AGENCY IND SCIENCE TECHN1
Top patents by PatentIndex Score
21 records- 0189US4994590ARuthenium-phoshine complexTAKASAGO PERFUMERY CO LTD·Filed 1989·Granted Feb 19, 1991·27 cites·2 claims
- 0268US5159093AIridium-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
- 0365US7977271B2Multiple-metal complex-containing compound and metal complex, and manufacture methods therefor, and exhaust gas purification catalyst manufacture method using the sameTOYOTA MOTOR CO LTD·Filed 2007·Granted Jul 12, 2011·1 cites·2 claims
- 0455US7635776B2Ligands and complex compounds containing the sameTAKASAGO PERFUMERY CO LTD·Filed 2004·Granted Dec 22, 2009·2 cites·14 claims
- 0555US2024217986A1Method of producing hydroxythienoimidazole derivative, vinyl sulfide derivative, n-butylidene sulfide derivative, and thienoimidazole derivative substituted with straight-chain saturated hydrocarbonTOKUYAMA CORP·Filed 2022·Application pending·0 cites
- 0654US7888513B2Condensation reaction by metal catalystTAKASAGO PERFUMERY CO LTD·Filed 2006·Granted Feb 15, 2011·0 cites·9 claims
- 0753US11377415B2Method for converting N,N-dialkylamide compound into ester compound using complex of fourth-period transition metal as catalystTAKASAGO PERFUMERY CO LTD·Filed 2019·Granted Jul 5, 2022·0 cites·3 claims
- 0853US2013190502A1Acylation reaction of hydroxyl groupTAKASAGO PERFUMERY CO LTD·Filed 2013·Application pending·0 cites
- 0952US2024025873A1Method for producing ketone derivativeTOKUYAMA CORP·Filed 2021·Application pending·0 cites
- 1051US8431709B2Acylation reaction of hydroxyl groupMASHIMA KAZUSHI·Filed 2008·Granted Apr 30, 2013·0 cites·2 claims
- 1148US2011021345A1Multiple-metal complex-containing compound and metal complex, and manufacture methods therefor, and exhaust gas purification catalyst manufacture method using the sameTOYOTA MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 1246US7642357B2Iridium complexesTAKASAGO PERFUMERY CO LTD·Filed 2004·Granted Jan 5, 2010·0 cites·12 claims
- 1341US9012649B2Method for producing optically active 2-arylpiperidinium saltTAKASAGO PERFUMERY CO LTD·Filed 2014·Granted Apr 21, 2015·0 cites·5 claims
- 1441US2008233410A1Transition metal complex compoundIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 1541US2011098479A1Condensation reaction by metal catalystMASHIMA KAZUSHI·Filed 2010·Application pending·0 cites
- 1639US5919962AProcess for preparing ruthenium-phosphine complexTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Jul 6, 1999·2 cites·5 claims
- 1738US2009247397A1Manufacture method for supported metal catalystMASHIMA KAZUSHI·Filed 2007·Application pending·0 cites
- 1838US2010155650A1Amidine-carboxylic acid complex, briged polynuclear complex derived therefrom, production methods therefor, and use for preparing supported metal or metal oxide clustersMASHIMA KAZUSHI·Filed 2007·Application pending·0 cites
- 1935US5210332AIridium-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
- 2029US5961890AThird-order nonlinear optical materialAGENCY IND SCIENCE TECHN·Filed 1997·Granted Oct 5, 1999·1 cites·27 claims
- 2129US2017348681A1Activation of supported olefin metathesis catalysts by organic reductantsETH ZUERICH·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kazushi Mashima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →