Inventor · disambiguated record
Takeshi Ohkuma
Also filed as: OHKUMA TAKESHI
18 granted patents·8 pending applications·115 citations·filing 1989–2021
91Inventor score
Files withKYOCERA CORP7TAKASAGO PERFUMERY CO LTD5KANTO KAGAKU4OHKUMA TAKESHI3INST NAGOYA IND SCIENCE RES1
Top patents by PatentIndex Score
26 records- 0187US5763688AMethod for producing an alcoholJAPAN RES DEV CORP·Filed 1995·Granted Jun 9, 1998·37 cites·5 claims
- 0287US4895979AProcess for preparing carnitineTAKASAGO PERFUMERY CO LTD·Filed 1989·Granted Jan 23, 1990·24 cites·2 claims
- 0385US6720439B1Synthesis of ruthenium-hydride complexes and preparation procedures of chiral alcohols and ketonesINST NAGOYA IND SCIENCE RES·Filed 2002·Granted Apr 13, 2004·26 cites·19 claims
- 0477US9328079B2Process for producing optically active amineTAKASAGO PERFUMERY CO LTD·Filed 2013·Granted May 3, 2016·2 cites·12 claims
- 0576US7601667B2Sulfonate catalyst and method of producing alcohol compound using the sameKANTO KAGAKU·Filed 2006·Granted Oct 13, 2009·3 cites·12 claims
- 0669US7378560B2Ruthenium complex and process for producing tert-alkyl alcohol therewithKANTO KANGAKU KABUSHIKI KAISHA·Filed 2005·Granted May 27, 2008·3 cites·7 claims
- 0766US11228058B2Flow battery, flow battery system, and control methodKYOCERA CORP·Filed 2019·Granted Jan 18, 2022·0 cites·10 claims
- 0861US8436181B2Production process of optically active 3-quinuclidinol derivativeOHKUMA TAKESHI·Filed 2008·Granted May 7, 2013·1 cites·2 claims
- 0960US7619125B2Hydrogenation promoter, hydrogenation catalyst, and process for producing alkene compoundKANTO KAGAKU·Filed 2005·Granted Nov 17, 2009·1 cites·4 claims
- 1058US2022336856A1Secondary battery, secondary battery system, and control methodKYOCERA CORP·Filed 2020·Application pending·0 cites
- 1156US2023107474A1Electrode for secondary battery and secondary batteryKYOCERA CORP·Filed 2021·Application pending·0 cites
- 1252US8759524B2Production process of optically active 3-quinuclidinol derivativeOHKUMA TAKESHI·Filed 2013·Granted Jun 24, 2014·0 cites·2 claims
- 1351US11198607B2Light absorbing member, member for hydrogen production, and hydrogen production apparatusKYOCERA CORP·Filed 2017·Granted Dec 14, 2021·0 cites·18 claims
- 1450US10029969B2Method of producing optically-active aldehydeTAKASAGO PERFUMERY CO LTD·Filed 2014·Granted Jul 24, 2018·0 cites·3 claims
- 1550US5420306AProcess for producing optically active γ-butyrolactone derivativesTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted May 30, 1995·12 cites·6 claims
- 1649US2021399348A1Secondary batteryKYOCERA CORP·Filed 2019·Application pending·0 cites
- 1748US10343904B2Member for hydrogen production and hydrogen production apparatusKYOCERA CORP·Filed 2016·Granted Jul 9, 2019·0 cites·15 claims
- 1848US2010098506A1Cemented carbide, cutting tool, and cutting deviceKYOCERA CORP·Filed 2009·Application pending·0 cites
- 1945US9174906B2Process for producing optically active secondary alcoholKANTO KAGAKU·Filed 2014·Granted Nov 3, 2015·0 cites·17 claims
- 2045US2012006389A1Method of Manufacturing Photoelectric Conversion Device, Apparatus for Manufacturing Photoelectric Conversion Device, and Photoelectric Conversion DeviceMATSUSHIMA NORIHIKO·Filed 2010·Application pending·0 cites
- 2143US5856590AProcess for producing cis-4-t-butylcyclohexanolTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Jan 5, 1999·6 cites·1 claims
- 2241US2013197234A1Method for producing optically active amine compoundKANTO KAGAKU·Filed 2013·Application pending·0 cites
- 2339US8163947B2Cyanation catalyst and method for producing optically active cyanhydrin compound using the sameOHKUMA TAKESHI·Filed 2008·Granted Apr 24, 2012·0 cites·15 claims
- 2437US2007225528A1Process for Producing Optically Active AlcoholNAGOYA IND SCIENCE RES CT·Filed 2004·Application pending·0 cites
- 2531US2003045727A1Process for preparing optically active secondary alcohols having nitrogenous or oxygenic functional groupsFiled 2001·Application pending·0 cites
- 2628US6476278B1Processes for the preparation of alcoholsJAPAN SCIENCE & TECH CORP·Filed 1999·Granted Nov 5, 2002·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →