- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/343 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone
Patent holdings for IPC class A61K 31/343
Total number of patents in this class: 2565
10-year publication summary
|
197
|
198
|
186
|
179
|
194
|
186
|
229
|
190
|
210
|
53
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vanda Pharmaceuticals, Inc. | 336 |
72 |
| Antecip Bioventures II LLC | 300 |
42 |
| Takeda Pharmaceutical Company Limited | 2961 |
32 |
| Novartis AG | 11238 |
27 |
| Bristol-myers Squibb Company | 5080 |
26 |
| Wyeth | 632 |
24 |
| Sanofi | 3836 |
24 |
| Bionomics Limited | 90 |
22 |
| Merck Sharp & Dohme Corp. | 2247 |
21 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
16 |
| Clexio Biosciences Ltd. | 101 |
16 |
| The Regents of the University of California | 18943 |
14 |
| Allergan, Inc. | 2600 |
14 |
| Daiichi Sankyo Company, Limited | 1829 |
14 |
| Boehringer Ingelheim International GmbH | 4629 |
13 |
| Janssen Pharmaceutica N.V. | 3839 |
13 |
| Boston Biomedical, Inc. | 40 |
13 |
| io Therapeutics, Inc. | 112 |
12 |
| Pharmacyclics LLC | 240 |
12 |
| Centre National de La Recherche Scientifique | 9632 |
11 |
| Other owners | 2127 |