- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/295 - Iron group metal compounds
Patent holdings for IPC class A61K 31/295
Total number of patents in this class: 314
10-year publication summary
|
25
|
31
|
30
|
16
|
24
|
16
|
15
|
15
|
13
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SBI Pharmaceuticals Co., Ltd. | 107 |
20 |
| Akeso Biomedical, Inc. | 23 |
11 |
| IHI Corporation | 3514 |
10 |
| Keryx Biopharmaceuticals, Inc. | 22 |
10 |
| Vifor (International) AG | 141 |
8 |
| Pharmacosmos Holding A/S | 203 |
8 |
| Centre National de La Recherche Scientifique | 10846 |
6 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3110 |
6 |
| Profeat Biotechnology Co., Ltd. | 11 |
6 |
| Yoshihiro Ishikawa | 15 |
6 |
| Nestec S.A. | 2592 |
5 |
| China Bestar Laboratories Ltd., | 7 |
5 |
| National Center for Child Health and Development | 88 |
5 |
| United Kingdom Research and Innovation | 380 |
5 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2250 |
4 |
| Covidien LP | 10656 |
3 |
| The General Hospital Corporation | 4797 |
3 |
| Northwestern University | 3503 |
3 |
| Dr. Bata Zrt. | 7 |
3 |
| Faculdade de Ciências da Universidade de Lisboa | 26 |
3 |
| Other owners | 184 |