• All sections
  • C - Chemistrymetallurgy
  • C07D - Heterocyclic compounds
  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

Patent holdings for IPC class C07D 401/12

Total number of patents in this class: 14806

10-year publication summary

890
862
875
880
910
848
803
913
847
522
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Bristol-myers Squibb Company
4867
329
Boehringer Ingelheim International GmbH
4640
243
Novartis AG
10726
235
Janssen Pharmaceutica N.V.
3381
201
F. Hoffmann-La Roche AG
7942
192
Takeda Pharmaceutical Company Limited
2707
184
Merck Sharp & Dohme LLC
3750
154
AstraZeneca AB
2899
133
Amgen Inc.
4097
119
Gilead Sciences, Inc.
2042
119
Bayer Pharma AG
1054
115
Pfizer Inc.
3364
114
Centre National de La Recherche Scientifique
10498
111
Hoffmann-La Roche Inc.
3456
106
BASF SE
20961
106
Merck Patent GmbH
5820
106
Genentech, Inc.
3988
92
Bayer Cropscience AG
2030
85
Epizyme, Inc.
374
83
The Regents of the University of California
20035
76
Other owners 11903