- 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: 1071
10-year publication summary
|
90
|
88
|
63
|
82
|
73
|
83
|
65
|
62
|
54
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenz Therapeutics Operations, Inc. | 38 |
20 |
| RedHill Biopharma Ltd. | 98 |
17 |
| Massachusetts Institute of Technology | 10066 |
16 |
| Allergan, Inc. | 2340 |
13 |
| Insmed Incorporated | 235 |
13 |
| Bristol-myers Squibb Company | 4881 |
12 |
| Theravance Biopharma R&D IP, LLC | 456 |
11 |
| The Penn State Research Foundation | 1534 |
10 |
| Centre National de La Recherche Scientifique | 10465 |
9 |
| The General Hospital Corporation | 4749 |
9 |
| Purdue Research Foundation | 3638 |
9 |
| Children's Medical Center Corporation | 1877 |
9 |
| Enanta Pharmaceuticals, Inc. | 428 |
9 |
| University of Rochester | 1304 |
9 |
| The Regents of the University of California | 19989 |
8 |
| The Doshisha | 222 |
8 |
| Senju Pharmaceutical Co., Ltd. | 226 |
8 |
| The Trustees of Columbia University in the City of New York | 3578 |
7 |
| City of Hope | 994 |
7 |
| Kyoto Prefectural Public University Corporation | 237 |
6 |
| Other owners | 861 |