Takafumi KITAWAKI

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing 3,6-disubstituted-imidazo[1,2-b]pyridazine der...
- Patent number 11,667,642
- Issue date Jun 6, 2023
- Daiichi Sankyo Company, Limited
- Ryoji Koike
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 3, 6-disubstituted imidazo[1, 2-b]pyridazine d...
- Patent number 11,028,091
- Issue date Jun 8, 2021
- Daiichi Sankyo Company, Limited
- Ryoji Koike
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method for optically active bicyclic gamma-amino acid c...
- Patent number 9,469,623
- Issue date Oct 18, 2016
- Daiichi Sankyo Company, Limited
- Yoshitaka Nakamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical resolution methods for bicyclic compounds using asymmetric...
- Patent number 9,035,103
- Issue date May 19, 2015
- Daiichi Sankyo Company, Limited
- Yoshitaka Nakamura
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for Producing 3,6-Disubstituted-Imidazo[1,2-B]Pyridazine Der...
- Publication number 20210171532
- Publication date Jun 10, 2021
- DAIICHI SANKYO COMPANY, LIMITED
- Ryoji KOIKE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Producing 3, 6-Disubstituted Imidazo[1, 2-b]Pyridazine D...
- Publication number 20200062765
- Publication date Feb 27, 2020
- DAIICHI SANKYO COMPANY, LIMITED
- Ryoji KOIKE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Preparation Method for Optically Active Bicyclic Gamma-Amino Acid C...
- Publication number 20150218123
- Publication date Aug 6, 2015
- DAIICHI SANKYO COMPANY, LIMITED
- Yoshitaka NAKAMURA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Optical Resolution Method for Bicyclic Compound Using Asymmetric Ca...
- Publication number 20140296569
- Publication date Oct 2, 2014
- DAIICHI SANKYO COMPANY, LIMITED
- Yoshitaka NAKAMURA
- C07 - ORGANIC CHEMISTRY