- 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: 792
10-year publication summary
|
49
|
57
|
58
|
61
|
46
|
39
|
47
|
60
|
41
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The University of Tokyo | 4200 |
18 |
| SFC Co., Ltd. | 321 |
17 |
| JSR Corporation | 2525 |
14 |
| Epizyme, Inc. | 374 |
13 |
| Gilead Sciences, Inc. | 2045 |
13 |
| Pfizer Inc. | 3368 |
11 |
| Mitsubishi Gas Chemical Company, Inc. | 3482 |
10 |
| Promega Corporation | 576 |
10 |
| Pro Farm Group, Inc. | 121 |
10 |
| Enzo Life Sciences, Inc. | 161 |
9 |
| Howard Hughes Medical Institute | 230 |
9 |
| Syngenta Limited | 450 |
8 |
| Eisai R&D Management Co., Ltd. | 1227 |
8 |
| Vertex Pharmaceuticals Incorporated | 1623 |
7 |
| Purdue Research Foundation | 3664 |
7 |
| Novartis AG | 10730 |
6 |
| Hoffmann-La Roche Inc. | 3461 |
6 |
| The Regents of the University of Michigan | 4739 |
6 |
| AAT Bioquest, Inc. | 38 |
6 |
| Riken | 1695 |
6 |
| Other owners | 598 |