- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 487/22 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups in which the condensed system contains four or more hetero rings
Patent holdings for IPC class C07D 487/22
Total number of patents in this class: 1422
10-year publication summary
|
82
|
73
|
99
|
93
|
75
|
77
|
101
|
95
|
88
|
60
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4263 |
44 |
| Merck Patent GmbH | 5739 |
25 |
| Canon Kabushiki Kaisha | 7369 |
23 |
| Rmw CHO Group Limited | 21 |
19 |
| The Regents of the University of California | 20842 |
17 |
| North Carolina State University | 1596 |
16 |
| FUJIFILM Corporation | 30628 |
14 |
| Demerx, Inc. | 76 |
14 |
| Health Research, Inc. | 340 |
14 |
| Universidade de Coimbra | 200 |
12 |
| Boehringer Ingelheim International GmbH | 4485 |
11 |
| Gilead Sciences, Inc. | 2242 |
11 |
| Centre National de La Recherche Scientifique | 11077 |
10 |
| Sumitomo Chemical Company, Limited | 8969 |
10 |
| The General Hospital Corporation | 4879 |
10 |
| DIC Corporation | 3982 |
10 |
| Venner Shipley LLP | 15 |
10 |
| BASF SE | 21320 |
9 |
| Board of Regents, The University of Texas System | 6149 |
8 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
8 |
| Other owners | 1127 |