- 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: 243
10-year publication summary
|
12
|
24
|
23
|
22
|
29
|
13
|
21
|
11
|
15
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agency for Science, Technology and Research | 3512 |
12 |
| Genzyme Corporation | 1205 |
9 |
| Tyme, Inc. | 47 |
8 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
7 |
| Massachusetts Institute of Technology | 9795 |
6 |
| Nanyang Technological University | 1739 |
6 |
| Nihon University | 324 |
6 |
| University of Tsukuba | 561 |
6 |
| Kyoto University | 2732 |
5 |
| University of Maryland, College Park | 894 |
5 |
| University of Massachusetts | 2130 |
5 |
| The Regents of the University of California | 18943 |
4 |
| Chelation Partners Incorporated | 8 |
4 |
| HyperBranch Medical Technology, Inc. | 28 |
4 |
| Mipsalus ApS | 16 |
4 |
| The University of Chicago | 1282 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| Northwestern University | 3112 |
3 |
| Tris Pharma, Inc. | 91 |
3 |
| University Health Network | 979 |
3 |
| Other owners | 136 |