- 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: 2868
10-year publication summary
|
243
|
263
|
262
|
240
|
287
|
296
|
252
|
194
|
196
|
84
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4656 |
75 |
| Rani Therapeutics, LLC | 200 |
41 |
| The Regents of the University of California | 19898 |
32 |
| Sanovel Ilac Sanayi ve Ticaret A.S. | 283 |
31 |
| Anji Pharmaceuticals Inc. | 34 |
25 |
| Sanofi-Aventis Deutschland GmbH | 2627 |
24 |
| The Catholic University of Korea Industry-academic Cooperation Foundation | 795 |
20 |
| Immunomet Therapeutics Inc. | 31 |
15 |
| Neoculi Pty Ltd | 18 |
15 |
| National Cancer Center | 322 |
14 |
| Solventum Intellectual Properties Company | 3324 |
14 |
| Board of Regents, The University of Texas System | 5786 |
13 |
| The General Hospital Corporation | 4726 |
13 |
| University of Florida Research Foundation, Inc. | 4018 |
13 |
| Inflectis Bioscience | 15 |
13 |
| Innovation Technologies, Inc. | 29 |
13 |
| Nusirt Sciences, Inc. | 42 |
13 |
| Novartis AG | 10847 |
12 |
| Hanall Biopharma Co., Ltd. | 93 |
12 |
| Hanmi Pharm. Co., Ltd. | 571 |
12 |
| Other owners | 2448 |