- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 241/42 - Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
Patent holdings for IPC class C07D 241/42
Total number of patents in this class: 311
10-year publication summary
|
21
|
22
|
23
|
25
|
22
|
27
|
17
|
29
|
17
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5850 |
19 |
| Neupharma, Inc. | 71 |
17 |
| Vertex Pharmaceuticals Incorporated | 1598 |
8 |
| F. Hoffmann-La Roche AG | 7923 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11371 |
5 |
| Otsuka Pharmaceutical Co., Ltd. | 1504 |
5 |
| Bristol-myers Squibb Company | 4875 |
4 |
| FUJIFILM Corporation | 29251 |
4 |
| The Board of Trustees of the University of Illinois | 2686 |
4 |
| Astex Therapeutics Limited | 242 |
4 |
| Canbas Co., Ltd. | 22 |
4 |
| CHDI Foundation, Inc. | 108 |
4 |
| General Incorporated Association Pharma Valley Project Supporting Organization | 22 |
4 |
| The Provost, Fellows, Foundation Scholars, and The Other Members of Board, of The College of The Holy and Undivided Trinity of Queen Elizabeth, Near Dublin | 163 |
4 |
| The Scripps Research Institute | 1346 |
4 |
| Takasago International Corporation | 405 |
4 |
| The University of Queensland | 658 |
4 |
| Merck Sharp & Dohme LLC | 3743 |
4 |
| Genentech, Inc. | 3968 |
3 |
| Janssen Pharmaceutica N.V. | 3413 |
3 |
| Other owners | 198 |