- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 515/20 - Spiro-condensed systems
Patent holdings for IPC class C07D 515/20
Total number of patents in this class: 46
10-year publication summary
|
4
|
0
|
0
|
4
|
6
|
3
|
3
|
3
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daiichi Sankyo Company, Limited | 1891 |
4 |
| Kyoto Pharmaceutical Industries, Ltd. | 21 |
4 |
| Janssen Pharmaceutica N.V. | 3160 |
3 |
| Istituto Nazionale di Genetica Molecolare-ingm | 24 |
3 |
| Ospedale San Raffaele S.r.l. | 315 |
3 |
| The Regents of the University of Michigan | 5016 |
2 |
| Chugai Seiyaku Kabushiki Kaisha | 1423 |
2 |
| Genzyme Corporation | 1382 |
2 |
| Janssen Sciences Ireland UC | 153 |
2 |
| Prelude Therapeutics, Incorporated | 149 |
2 |
| Ascentage Pharma (Suzhou) Co., Ltd. | 229 |
2 |
| Irbm S.p.A. | 27 |
2 |
| Promidis S.r.l. | 5 |
2 |
| Ascentage Pharma Group Corp Limited | 151 |
2 |
| Boehringer Ingelheim International GmbH | 4486 |
1 |
| Amgen Inc. | 4440 |
1 |
| Vertex Pharmaceuticals Incorporated | 1579 |
1 |
| Purdue Research Foundation | 3937 |
1 |
| Enanta Pharmaceuticals, Inc. | 424 |
1 |
| Gilead Sciences, Inc. | 2236 |
1 |
| Other owners | 5 |