- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/553 - 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 oxygen as ring hetero atoms, e.g. loxapine, staurosporine
Patent holdings for IPC class A61K 31/553
Total number of patents in this class: 2281
10-year publication summary
|
114
|
122
|
110
|
135
|
110
|
131
|
124
|
140
|
234
|
185
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 4009 |
83 |
| Gilead Sciences, Inc. | 2056 |
79 |
| Amgen Inc. | 4108 |
49 |
| F. Hoffmann-La Roche AG | 7948 |
40 |
| AstraZeneca AB | 2886 |
40 |
| Takeda Pharmaceutical Company Limited | 2710 |
40 |
| Boehringer Ingelheim International GmbH | 4640 |
38 |
| Rigel Pharmaceuticals, Inc. | 538 |
38 |
| Novartis AG | 10721 |
32 |
| Merck Sharp & Dohme LLC | 3753 |
31 |
| Bristol-myers Squibb Company | 4849 |
30 |
| Eli Lilly and Company | 3902 |
24 |
| Daiichi Sankyo Company, Limited | 1877 |
23 |
| VALO Health, Inc. | 175 |
22 |
| Glaxosmithkline Intellectual Property Development Limited | 766 |
21 |
| The Trustees of Columbia University in the City of New York | 3589 |
20 |
| Insmed Incorporated | 235 |
20 |
| Janssen Pharmaceutica N.V. | 3367 |
19 |
| Vertex Pharmaceuticals Incorporated | 1626 |
17 |
| Taisho Pharmaceutical Co., Ltd. | 865 |
17 |
| Other owners | 1598 |