- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/385 - Heterocyclic compounds having sulfur as a ring hetero atom having two or more sulfur atoms in the same ring
Patent holdings for IPC class A61K 31/385
Total number of patents in this class: 692
10-year publication summary
|
70
|
59
|
73
|
63
|
56
|
52
|
49
|
52
|
43
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hill's Pet Nutrition, Inc. | 807 |
15 |
| Ischemix LLC | 16 |
14 |
| The Regents of the University of Colorado, a body corporate | 2647 |
13 |
| BRANDEIS University | 334 |
10 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3367 |
8 |
| Kolinpharma S.p.A. | 65 |
8 |
| Universite de Bordeaux | 861 |
7 |
| Op2 Drugs | 13 |
7 |
| Duke University | 3067 |
6 |
| Cellix Bio Private Limited | 52 |
6 |
| Cellixbio Private Limited | 155 |
6 |
| Centre Hospitalier Universitaire de Bordeaux | 128 |
6 |
| Exerkine Corporation | 34 |
6 |
| Research Cancer Institute of America | 17 |
6 |
| Ophtalmis Monaco | 12 |
6 |
| Gyeongsang National University Hospital | 99 |
6 |
| Encore Health, LLC | 14 |
5 |
| Kyowa Hakko Bio Co., Ltd. | 304 |
5 |
| Kyowa Pharma Chemical Co., Ltd. | 32 |
5 |
| Nutramax Laboratories, Inc. | 251 |
5 |
| Other owners | 542 |