- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/662 - Phosphorus acids or esters thereof having P—C bonds, e.g. foscarnet, trichlorfon
Patent holdings for IPC class A61K 31/662
Total number of patents in this class: 719
10-year publication summary
|
35
|
51
|
50
|
37
|
45
|
52
|
38
|
37
|
35
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allergan, Inc. | 2313 |
32 |
| Viking Therapeutics, Inc. | 56 |
26 |
| The Johns Hopkins University | 5756 |
17 |
| Metabasis Therapeutics, Inc. | 40 |
17 |
| Quadriga Biosciences, Inc. | 22 |
15 |
| Kallyope, Inc. | 62 |
11 |
| Ardelyx, Inc. | 115 |
10 |
| Gilead Sciences, Inc. | 2106 |
9 |
| The Regents of the University of California | 20303 |
8 |
| Iview Therapeutics, Inc. | 38 |
8 |
| Novartis AG | 10612 |
7 |
| Centre National de La Recherche Scientifique | 10706 |
7 |
| Pharmaleads | 22 |
7 |
| Bayer Animal Health GmbH | 218 |
5 |
| Board of Regents, The University of Texas System | 5946 |
5 |
| The Board of Trustees of the University of Illinois | 2724 |
5 |
| Children's Medical Center Corporation | 1912 |
5 |
| Sansho Co. Ltd. | 17 |
5 |
| Purdue Research Foundation | 3732 |
4 |
| Aix-Marseille Universite' | 39 |
4 |
| Other owners | 512 |