- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/337 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having four-membered rings, e.g. taxol
Patent holdings for IPC class A61K 31/337
Total number of patents in this class: 4669
10-year publication summary
|
497
|
430
|
448
|
414
|
405
|
369
|
357
|
318
|
295
|
161
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 4110 |
98 |
| Mayo Foundation for Medical Education and Research | 3386 |
98 |
| Abraxis BioScience, LLC | 192 |
69 |
| The Regents of the University of California | 20778 |
66 |
| Immunomedics, Inc. | 239 |
45 |
| Lutonix, Inc. | 65 |
45 |
| Corcept Therapeutics, Inc. | 370 |
37 |
| Crititech, Inc. | 74 |
36 |
| Taisho Pharmaceutical Co., Ltd. | 850 |
31 |
| Board of Regents, The University of Texas System | 6117 |
29 |
| Bristol-myers Squibb Company | 4751 |
28 |
| F. Hoffmann-La Roche AG | 7819 |
28 |
| Pfizer Inc. | 3396 |
28 |
| Zhuhai Beihai Biotech Co., Ltd. | 54 |
27 |
| Cedars-Sinai Medical Center | 1207 |
24 |
| Terumo Kabushiki Kaisha | 5815 |
22 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3311 |
21 |
| Hoffmann-La Roche Inc. | 3796 |
19 |
| AstraZeneca AB | 2819 |
19 |
| Dana-Farber Cancer Institute, Inc. | 2665 |
19 |
| Other owners | 3880 |