- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 47/42 - ProteinsPolypeptidesDegradation products thereofDerivatives thereof, e.g. albumin, gelatin or zein
Patent holdings for IPC class A61K 47/42
Total number of patents in this class: 4264
10-year publication summary
|
293
|
324
|
341
|
390
|
346
|
356
|
405
|
332
|
308
|
188
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 19887 |
82 |
| Abraxis BioScience, LLC | 209 |
53 |
| Trustees of Tufts College | 873 |
43 |
| FUJIFILM Corporation | 29329 |
37 |
| Massachusetts Institute of Technology | 10041 |
35 |
| Nissan Chemical Industries, Ltd. | 1718 |
26 |
| Soochow University | 1735 |
21 |
| The University of Tokyo | 4170 |
21 |
| The Brigham and Women's Hospital, Inc. | 2181 |
20 |
| National University Corporation Hokkaido University | 1340 |
19 |
| Zhuhai Beihai Biotech Co., Ltd. | 47 |
19 |
| Allergan, Inc. | 2350 |
18 |
| Kyoto University | 2800 |
18 |
| Osaka University | 3375 |
18 |
| The Johns Hopkins University | 5662 |
17 |
| President and Fellows of Harvard College | 5972 |
17 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
16 |
| Kaneka Corporation | 4519 |
15 |
| Agency for Science, Technology and Research | 3610 |
15 |
| Medisca Pharmaceutique Inc. | 137 |
15 |
| Other owners | 3739 |