- 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: 2907
10-year publication summary
|
221
|
241
|
248
|
223
|
257
|
276
|
244
|
187
|
193
|
129
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4637 |
76 |
| Rani Therapeutics, LLC | 201 |
41 |
| The Regents of the University of California | 20268 |
35 |
| Sanovel Ilac Sanayi ve Ticaret A.S. | 287 |
31 |
| Sanofi-Aventis Deutschland GmbH | 2612 |
26 |
| Anji Pharmaceuticals Inc. | 33 |
25 |
| The Catholic University of Korea Industry-academic Cooperation Foundation | 821 |
20 |
| Immunomet Therapeutics Inc. | 31 |
15 |
| Neoculi Pty Ltd | 18 |
15 |
| Board of Regents, The University of Texas System | 5927 |
14 |
| National Cancer Center | 333 |
14 |
| Solventum Intellectual Properties Company | 3334 |
14 |
| The General Hospital Corporation | 4797 |
13 |
| University of Florida Research Foundation, Inc. | 4079 |
13 |
| Inflectis Bioscience | 15 |
13 |
| Innovation Technologies, Inc. | 30 |
13 |
| Nusirt Sciences, Inc. | 42 |
13 |
| Hanall Biopharma Co., Ltd. | 93 |
12 |
| Hanmi Pharm. Co., Ltd. | 576 |
12 |
| Pathak Holdings, LLC | 19 |
12 |
| Other owners | 2480 |