- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/787 - Polymers containing nitrogen containing heterocyclic rings having nitrogen as a ring hetero atom
Patent holdings for IPC class A61K 31/787
Total number of patents in this class: 252
10-year publication summary
|
20
|
20
|
19
|
27
|
12
|
20
|
11
|
14
|
13
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agency for Science, Technology and Research | 3659 |
11 |
| Nanyang Technological University | 2043 |
9 |
| Massachusetts Institute of Technology | 10121 |
8 |
| Genzyme Corporation | 1295 |
7 |
| Tyme, Inc. | 38 |
7 |
| University of Tsukuba | 622 |
7 |
| Nippon Kayaku Kabushiki Kaisha | 1450 |
6 |
| University of Massachusetts | 2247 |
6 |
| The Regents of the University of California | 20153 |
5 |
| Kyoto University | 2828 |
5 |
| Nihon University | 285 |
5 |
| University of Maryland, College Park | 1026 |
5 |
| Chelation Partners Incorporated | 8 |
4 |
| HyperBranch Medical Technology, Inc. | 24 |
4 |
| Mipsalus ApS | 16 |
4 |
| The University of Tokyo | 4229 |
4 |
| International Business Machines Corporation | 61616 |
3 |
| Northwestern University | 3430 |
3 |
| Tris Pharma, Inc. | 79 |
3 |
| University Health Network | 1052 |
3 |
| Other owners | 143 |