- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 493/10 - Spiro-condensed systems
Patent holdings for IPC class C07D 493/10
Total number of patents in this class: 806
10-year publication summary
|
61
|
61
|
66
|
48
|
44
|
55
|
66
|
45
|
36
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The University of Tokyo | 4373 |
18 |
| SFC Co., Ltd. | 336 |
17 |
| JSR Corporation | 2561 |
15 |
| Gilead Sciences, Inc. | 2231 |
15 |
| Epizyme, Inc. | 360 |
13 |
| Pfizer Inc. | 3404 |
11 |
| PFG Holding Corporation | 117 |
11 |
| Mitsubishi Gas Chemical Company, Inc. | 3629 |
10 |
| Enzo Life Sciences, Inc. | 146 |
9 |
| Howard Hughes Medical Institute | 232 |
9 |
| Syngenta Limited | 425 |
8 |
| Promega Corporation | 588 |
8 |
| Novartis AG | 10178 |
7 |
| Hoffmann-La Roche Inc. | 3815 |
7 |
| Riken | 1717 |
7 |
| The Regents of the University of Michigan | 5012 |
6 |
| Purdue Research Foundation | 3929 |
6 |
| AAT Bioquest, Inc. | 38 |
6 |
| Xenon Pharmaceuticals Inc. | 194 |
6 |
| Vandria SA | 17 |
6 |
| Other owners | 611 |