- All sections
- C - Chemistry; metallurgy
- 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: 300
10-year publication summary
|
21
|
22
|
23
|
25
|
22
|
27
|
16
|
24
|
17
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5842 |
18 |
| Neupharma, Inc. | 73 |
17 |
| Vertex Pharmaceuticals Incorporated | 1568 |
8 |
| F. Hoffmann-La Roche AG | 7942 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11101 |
5 |
| Otsuka Pharmaceutical Co., Ltd. | 1535 |
5 |
| Bristol-myers Squibb Company | 4863 |
4 |
| FUJIFILM Corporation | 28805 |
4 |
| The Board of Trustees of the University of Illinois | 2666 |
4 |
| Astex Therapeutics Limited | 250 |
4 |
| CHDI Foundation, Inc. | 108 |
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 | 160 |
4 |
| The Scripps Research Institute | 1353 |
4 |
| Takasago International Corporation | 403 |
4 |
| The University of Queensland | 657 |
4 |
| Merck Sharp & Dohme LLC | 3751 |
4 |
| Novartis AG | 11254 |
3 |
| Janssen Pharmaceutica N.V. | 3612 |
3 |
| Syngenta Participations AG | 3032 |
3 |
| Board of Regents, The University of Texas System | 5619 |
3 |
| Other owners | 190 |