- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/664 - Amides of phosphorus acids
Patent holdings for IPC class A61K 31/664
Total number of patents in this class: 363
10-year publication summary
|
35
|
23
|
29
|
31
|
22
|
29
|
28
|
26
|
22
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ascentawits Pharmaceuticals, Ltd. | 72 |
21 |
| Pharmacyclics LLC | 241 |
13 |
| Royalty Security, LLC | 20 |
10 |
| The Johns Hopkins University | 5813 |
9 |
| Gilead Sciences, Inc. | 2180 |
5 |
| Kite Pharma, Inc. | 431 |
5 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2967 |
5 |
| Immunogenesis, Inc. | 20 |
5 |
| Wuhan Neurophth Biotechnology Limited Company | 20 |
5 |
| Indaptus Therapeutics, Inc. | 12 |
5 |
| Merck Sharp & Dohme Corp. | 2184 |
4 |
| Alla Chem, LLC | 52 |
4 |
| OBI Pharma, Inc. | 126 |
4 |
| Eisai R&D Management Co., Ltd. | 1186 |
4 |
| IVACHTCHENKO, Alena Alexandrovna | 14 |
4 |
| Abraxis BioScience, LLC | 193 |
3 |
| Indiana University Research and Technology Corporation | 785 |
3 |
| Ivashchenko, Andrey Alexandrovich | 14 |
3 |
| Janssen Biotech, Inc. | 1665 |
3 |
| NED Biosystems, Inc. | 11 |
3 |
| Other owners | 245 |