- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 493/04 - Ortho-condensed systems
Patent holdings for IPC class C07D 493/04
Total number of patents in this class: 2085
10-year publication summary
|
139
|
160
|
122
|
119
|
130
|
104
|
100
|
101
|
84
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4225 |
59 |
| LG Chem, Ltd. | 17813 |
57 |
| Archer Daniels Midland Company | 1107 |
52 |
| Roquette Freres | 1039 |
51 |
| FUJIFILM Corporation | 30210 |
37 |
| Merck Patent GmbH | 5662 |
33 |
| Gilead Sciences, Inc. | 2180 |
30 |
| Eisai R&D Management Co., Ltd. | 1186 |
26 |
| Samsung Display Co., Ltd. | 37753 |
23 |
| BASF SE | 21129 |
23 |
| Council of Scientific & Industrial Research | 1431 |
22 |
| Samyang Corporation | 414 |
20 |
| The Regents of the University of California | 20506 |
19 |
| LT Materials Co., Ltd. | 431 |
17 |
| Merck Sharp & Dohme LLC | 3708 |
17 |
| Purdue Research Foundation | 3839 |
15 |
| Novartis AG | 10350 |
14 |
| SK Innovation Co., Ltd. | 1438 |
14 |
| Semiconductor Energy Laboratory Co., Ltd. | 11670 |
13 |
| Glaceum, Inc. | 29 |
13 |
| Other owners | 1530 |