- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 235/26 - Oxygen atoms
Patent holdings for IPC class C07D 235/26
Total number of patents in this class: 361
10-year publication summary
|
16
|
24
|
22
|
18
|
29
|
18
|
21
|
18
|
15
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
10 |
| Shionogi & Co., Ltd. | 873 |
10 |
| Merck Sharp & Dohme LLC | 3735 |
10 |
| Boehringer Ingelheim International GmbH | 4493 |
8 |
| Cancer Research Technology Limited | 513 |
6 |
| Dow Global Technologies LLC | 10930 |
5 |
| Idemitsu Kosan Co., Ltd. | 4234 |
5 |
| Tokuyama Corporation | 1474 |
5 |
| Bristol-myers Squibb Company | 4729 |
4 |
| F. Hoffmann-La Roche AG | 7836 |
4 |
| Centre National de La Recherche Scientifique | 11016 |
4 |
| Bayer Pharma AG | 1014 |
4 |
| Abbvie Inc. | 1836 |
4 |
| Korea Institute of Science and Technology | 2248 |
4 |
| Ache Laboratorios Farmaceuticos S.A. | 23 |
4 |
| CHDI Foundation, Inc. | 107 |
4 |
| Nippon Shinyaku Co., Ltd. | 322 |
4 |
| Shikoku Chemicals Corporation | 104 |
4 |
| Vectus Biosystems Limited | 29 |
4 |
| Glaxo Group Limited | 4370 |
3 |
| Other owners | 255 |