- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/155 - Amidines (), e.g. guanidine (H2N—C(=NH)—NH2), isourea (HN=C(OH)NH2), isothiourea (HN=C(SH)—NH2)
Patent holdings for IPC class A61K 31/155
Total number of patents in this class: 2849
10-year publication summary
243
|
263
|
262
|
240
|
287
|
296
|
251
|
194
|
191
|
53
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Boehringer Ingelheim International GmbH | 4732 |
74 |
Rani Therapeutics, LLC | 195 |
41 |
The Regents of the University of California | 19681 |
31 |
Sanovel Ilac Sanayi ve Ticaret A.S. | 271 |
27 |
Anji Pharmaceuticals Inc. | 37 |
25 |
Sanofi-Aventis Deutschland GmbH | 2594 |
23 |
The Catholic University of Korea Industry-academic Cooperation Foundation | 761 |
20 |
Immunomet Therapeutics Inc. | 30 |
15 |
Neoculi Pty Ltd | 18 |
15 |
Solventum Intellectual Properties Company | 3291 |
14 |
Novartis AG | 11042 |
13 |
The General Hospital Corporation | 4675 |
13 |
Inflectis Bioscience | 15 |
13 |
Innovation Technologies, Inc. | 29 |
13 |
National Cancer Center | 312 |
13 |
Nusirt Sciences, Inc. | 42 |
13 |
University of Florida Research Foundation, Inc. | 3959 |
12 |
Hanall Biopharma Co., Ltd. | 92 |
12 |
Hanmi Pharm. Co., Ltd. | 566 |
12 |
United Kingdom Research and Innovation | 361 |
12 |
Other owners | 2438 |