- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4409 - Non-condensed pyridinesHydrogenated derivatives thereof only substituted in position 4, e.g. isoniazid, iproniazid
Patent holdings for IPC class A61K 31/4409
Total number of patents in this class: 1075
10-year publication summary
|
90
|
88
|
63
|
82
|
73
|
83
|
65
|
62
|
54
|
53
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenz Therapeutics Operations, Inc. | 45 |
20 |
| RedHill Biopharma Ltd. | 98 |
18 |
| Massachusetts Institute of Technology | 10143 |
16 |
| Insmed Incorporated | 247 |
14 |
| Allergan, Inc. | 2314 |
13 |
| Bristol-myers Squibb Company | 4820 |
12 |
| Theravance Biopharma R&D IP, LLC | 453 |
11 |
| Centre National de La Recherche Scientifique | 10693 |
10 |
| The Penn State Research Foundation | 1564 |
10 |
| University of Rochester | 1324 |
10 |
| The General Hospital Corporation | 4797 |
9 |
| Purdue Research Foundation | 3726 |
9 |
| Children's Medical Center Corporation | 1911 |
9 |
| Enanta Pharmaceuticals, Inc. | 434 |
9 |
| The Regents of the University of California | 20289 |
8 |
| The Doshisha | 226 |
8 |
| Senju Pharmaceutical Co., Ltd. | 228 |
8 |
| The Trustees of Columbia University in the City of New York | 3606 |
7 |
| City of Hope | 1011 |
7 |
| Kyoto Prefectural Public University Corporation | 242 |
7 |
| Other owners | 860 |