Patent holdings for IPC class C07C 251/40

Total number of patents in this class: 51

10-year publication summary

8
5
4
5
7
1
4
2
3
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
9046
6
BASF SE
20933
4
Takasago International Corporation
401
3
Nissan Chemical Corporation
2010
3
PI Industries Ltd
162
3
S H Kelkar & Company Limited
10
3
Novartis AG
10849
2
FUJIFILM Corporation
29367
2
Firmenich SA
1684
2
Kumiai Chemical Industry Co., Ltd.
311
2
Nissan Chemical Industries, Ltd.
1717
2
Bristol-myers Squibb Company
4898
1
Boehringer Ingelheim International GmbH
4650
1
Syngenta Participations AG
1903
1
Bayer AG
3330
1
BASF AG
257
1
Dow AgroSciences LLC
1223
1
The Johns Hopkins University
5667
1
Arbutus Biopharma Corporation
177
1
Cytochroma Inc.
17
1
Other owners 10