- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/722 - ChitinChitosan
Patent holdings for IPC class A61K 31/722
Total number of patents in this class: 820
10-year publication summary
|
67
|
58
|
72
|
62
|
46
|
45
|
53
|
45
|
40
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Synedgen, Inc. | 63 |
25 |
| Guangdong Pharmaceutical University | 72 |
15 |
| Medtrade Products Limited | 116 |
15 |
| KiOmed Pharma | 23 |
14 |
| Medtronic, Inc. | 9739 |
10 |
| Medcura, Inc., formerly Gel-e, Inc. | 33 |
9 |
| Centre National de La Recherche Scientifique | 10914 |
8 |
| Immunophotonics, Inc. | 18 |
8 |
| Boston Scientific Scimed, Inc. | 11051 |
7 |
| Polichem SA | 183 |
7 |
| Chitogenx Inc. | 7 |
7 |
| Covidien LP | 10649 |
6 |
| King Faisal University | 930 |
6 |
| Primex ehf. | 32 |
6 |
| Wako Filter Technology Co., Ltd. | 17 |
6 |
| Zhongke Runxin (Suzhou) Biological Technology Co., Ltd. | 7 |
6 |
| University of South Florida | 1877 |
5 |
| Alumend, LLC | 20 |
5 |
| Medoderm GmbH | 47 |
5 |
| WavePharma, LLC | 8 |
5 |
| Other owners | 645 |