Yoshitake Sumikawa

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing (R)-5-(3,4-difluorophenyl)-5-[(3-methyl-2-oxop...
- Patent number 10,640,484
- Issue date May 5, 2020
- Kaken Pharmaceutical Co., Ltd.
- Yoshitake Sumikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridone derivative, pharmaceutical containing the same and methods...
- Patent number 10,000,476
- Issue date Jun 19, 2018
- Kaken Pharmaceutical Co., Ltd.
- Noriyuki Kamei
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
(+)-5-(3,4-difluorophenyl)-5-[(3-methyl-2-oxopyridin-1(2H)-yl)methy...
- Patent number 9,518,041
- Issue date Dec 13, 2016
- Kaken Pharmaceutical Co., Ltd.
- Noriyuki Kamei
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pyridone derivative and pharmaceutical containing same
- Patent number 9,447,072
- Issue date Sep 20, 2016
- Kaken Pharmaceutical Co., Ltd.
- Noriyuki Kamei
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Novel heteroaromatic amide derivative and medicament containing the...
- Publication number 20230086366
- Publication date Mar 23, 2023
- Kaken Pharmaceutical Co., Ltd.
- Issei AKAHOSHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING (R)-5-(3,4-DIFLUOROPHENYL)-5-[(3-METHYL-2-OXOP...
- Publication number 20190276428
- Publication date Sep 12, 2019
- Kaken Pharmaceutical Co., Ltd.
- Yoshitake SUMIKAWA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PYRIDONE DERIVATIVE AND PHARMACEUTICAL CONTAINING SAME
- Publication number 20160340349
- Publication date Nov 24, 2016
- Kaken Pharmaceutical Co., Ltd.
- Noriyuki KAMEI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
(+)-5-(3,4-DIFLUOROPHENYL)-5-[(3-METHYL-2-OXOPYRIDIN-1(2H)- YL)METH...
- Publication number 20160130248
- Publication date May 12, 2016
- KAKEN PHARMACEUTICAL CO., LTD.
- Noriyuki KAMEI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PYRIDONE DERIVATIVE AND PHARMACEUTICAL CONTAINING SAME
- Publication number 20150166506
- Publication date Jun 18, 2015
- KAKEN PHARMACEUTICAL CO., LTD.
- Noriyuki Kamei
- C07 - ORGANIC CHEMISTRY