- 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: 4211
10-year publication summary
|
353
|
420
|
497
|
430
|
445
|
412
|
404
|
362
|
346
|
76
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mayo Foundation for Medical Education and Research | 2981 |
91 |
| Genentech, Inc. | 3742 |
77 |
| Abraxis BioScience, LLC | 213 |
72 |
| The Regents of the University of California | 18943 |
64 |
| Lutonix, Inc. | 66 |
45 |
| Crititech, Inc. | 76 |
39 |
| Immunomedics, Inc. | 290 |
38 |
| Corcept Therapeutics, Inc. | 284 |
31 |
| Taisho Pharmaceutical Co., Ltd. | 844 |
27 |
| Pfizer Inc. | 3322 |
26 |
| F. Hoffmann-La Roche AG | 7958 |
24 |
| Board of Regents, The University of Texas System | 5370 |
24 |
| Zhuhai Beihai Biotech Co., Ltd. | 42 |
24 |
| Bristol-myers Squibb Company | 5080 |
23 |
| Terumo Kabushiki Kaisha | 5216 |
22 |
| Cedars-Sinai Medical Center | 1088 |
21 |
| AstraZeneca AB | 3042 |
18 |
| Abbvie Inc. | 1808 |
18 |
| Pharmacyclics LLC | 240 |
18 |
| Yale University | 2204 |
18 |
| Other owners | 3491 |