- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 263/44 - Two oxygen atoms
Patent holdings for IPC class C07D 263/44
Total number of patents in this class: 71
10-year publication summary
|
4
|
4
|
1
|
8
|
4
|
3
|
5
|
8
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vectus Biosystems Limited | 36 |
7 |
| Cv6 Therapeutics (NI) Limited | 31 |
5 |
| Merck Sharp & Dohme LLC | 3689 |
4 |
| Merck & Co., Inc. | 607 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Kaneka Corporation | 4445 |
2 |
| JSR Corporation | 2476 |
2 |
| Lonza Ltd. | 609 |
2 |
| National University Corporation Kobe University | 460 |
2 |
| Nippon Soda Co., Ltd. | 890 |
2 |
| Peking University | 1111 |
2 |
| Soochow University | 1605 |
2 |
| Agc, Inc. | 4029 |
2 |
| Metrea Biosciences, Inc. | 4 |
2 |
| Novius Therapeutics, LLC | 2 |
2 |
| Novartis AG | 11238 |
1 |
| Janssen Pharmaceutica N.V. | 3839 |
1 |
| Bayer Cropscience AG | 2241 |
1 |
| Evonik Industries AG | 225 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Other owners | 26 |