Inventor · disambiguated record
Takafumi Kitawaki
Also filed as: KITAWAKI TAKAFUMI
4 granted patents·1 citations·filing 2014–2021
58Inventor score
Files withDAIICHI SANKYO CO LTD4
Top patents by PatentIndex Score
4 records- 0169US11028091B2Method for producing 3, 6-disubstituted imidazo[1, 2-b]pyridazine derivativeDAIICHI SANKYO CO LTD·Filed 2018·Granted Jun 8, 2021·1 cites·5 claims
- 0265US11667642B2Method for producing 3,6-disubstituted-imidazo[1,2-b]pyridazine derivativeDAIICHI SANKYO CO LTD·Filed 2021·Granted Jun 6, 2023·0 cites·15 claims
- 0349US9035103B2Optical resolution methods for bicyclic compounds using asymmetric catalystsDAIICHI SANKYO CO LTD·Filed 2014·Granted May 19, 2015·0 cites·18 claims
- 0447US9469623B2Preparation method for optically active bicyclic gamma-amino acid compoundDAIICHI SANKYO CO LTD·Filed 2015·Granted Oct 18, 2016·0 cites·16 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →