- 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: 2866
10-year publication summary
243
|
263
|
262
|
240
|
287
|
296
|
252
|
194
|
196
|
82
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Boehringer Ingelheim International GmbH | 4665 |
75 |
Rani Therapeutics, LLC | 199 |
41 |
The Regents of the University of California | 19887 |
31 |
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 | 793 |
20 |
Immunomet Therapeutics Inc. | 31 |
15 |
Neoculi Pty Ltd | 18 |
15 |
National Cancer Center | 322 |
14 |
Solventum Intellectual Properties Company | 3321 |
14 |
Board of Regents, The University of Texas System | 5782 |
13 |
The General Hospital Corporation | 4724 |
13 |
University of Florida Research Foundation, Inc. | 4016 |
13 |
Inflectis Bioscience | 15 |
13 |
Innovation Technologies, Inc. | 29 |
13 |
Nusirt Sciences, Inc. | 42 |
13 |
Novartis AG | 10856 |
12 |
Hanall Biopharma Co., Ltd. | 93 |
12 |
Hanmi Pharm. Co., Ltd. | 571 |
12 |
Other owners | 2447 |