- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/555 - Heterocyclic compounds containing heavy metals, e.g. hemin, hematin, melarsoprol
Patent holdings for IPC class A61K 31/555
Total number of patents in this class: 1912
10-year publication summary
|
182
|
151
|
181
|
121
|
148
|
138
|
121
|
131
|
129
|
72
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Biossil Inc. | 36 |
25 |
| Genentech, Inc. | 4099 |
21 |
| Mayo Foundation for Medical Education and Research | 3382 |
21 |
| Centre National de La Recherche Scientifique | 11016 |
20 |
| The Regents of the University of California | 20720 |
19 |
| Biomimetix JV, LLC | 20 |
16 |
| Amgen Inc. | 4425 |
15 |
| Duke University | 3184 |
15 |
| Bristol-myers Squibb Company | 4729 |
14 |
| Board of Regents, The University of Texas System | 6102 |
14 |
| Isofol Medical AB | 38 |
13 |
| The Procter & Gamble Company | 21861 |
12 |
| Hoffmann-La Roche Inc. | 3783 |
11 |
| Massachusetts Institute of Technology | 10239 |
11 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3337 |
11 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3219 |
11 |
| Pharmacosmos A/S | 64 |
11 |
| Pharmacosmos Holding A/S | 202 |
11 |
| F. Hoffmann-La Roche AG | 7836 |
10 |
| AstraZeneca AB | 2818 |
10 |
| Other owners | 1621 |