Patent holdings for IPC class C07D 251/04

Total number of patents in this class: 69

10-year publication summary

3
3
6
3
14
8
4
4
11
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Contemporary Amperex Technology (Hong Kong) Limited
4015
13
BASF SE
21303
4
International Business Machines Corporation
62634
3
Merck Patent GmbH
5728
3
Dow Global Technologies LLC
10944
3
Flexsys America L.P.
32
3
Hydro-Quebec
635
3
Sunvax Mrna Therapeutics Inc.
11
3
Flexsys IP Holdings, LLC
33
3
Idemitsu Kosan Co., Ltd.
4235
2
Erasmus University Medical Center Rotterdam
335
2
Sika Technology AG
3004
2
General Electric Company
13899
1
Baker Hughes Incorporated
4934
1
Allergan, Inc.
2167
1
Samsung SDI Co., Ltd.
10589
1
Sumitomo Chemical Company, Limited
9016
1
Shin-Etsu Chemical Co., Ltd.
6096
1
Astellas Pharma Inc.
1044
1
Biogen MA Inc.
938
1
Other owners 17