- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/554 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having at least one nitrogen and at least one sulfur as ring hetero atoms, e.g. clothiapine, diltiazem
Patent holdings for IPC class A61K 31/554
Total number of patents in this class: 1103
10-year publication summary
|
65
|
68
|
68
|
69
|
78
|
92
|
101
|
125
|
84
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Albireo AB | 157 |
68 |
| F. Hoffmann-La Roche AG | 7958 |
18 |
| The Trustees of Columbia University in the City of New York | 3440 |
17 |
| Armgo Pharma, Inc. | 27 |
16 |
| AstraZeneca AB | 3042 |
15 |
| Glaxosmithkline Intellectual Property Development Limited | 723 |
15 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2737 |
15 |
| Erasca, Inc. | 67 |
13 |
| Hoffmann-La Roche Inc. | 3060 |
12 |
| Takeda Pharmaceutical Company Limited | 2961 |
12 |
| Alkermes Pharma Ireland Limited | 307 |
11 |
| Glytech, LLC | 15 |
11 |
| Universite Claude Bernard Lyon 1 | 921 |
11 |
| Karmagreen, LLC | 47 |
11 |
| Clexio Biosciences Ltd. | 101 |
11 |
| Glaxosmithkline Intellectual Property (no.2) Limited | 269 |
10 |
| Assembly Biosciences, Inc. | 66 |
10 |
| Mirum Pharmaceuticals, Inc. | 60 |
10 |
| Ecole Normale Superieure de Lyon | 220 |
9 |
| Elobix AB | 17 |
9 |
| Other owners | 799 |