- All sections
- C - Chemistry; metallurgy
- 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: 1307
10-year publication summary
|
83
|
61
|
82
|
73
|
99
|
91
|
72
|
75
|
91
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
43 |
| Merck Patent GmbH | 5909 |
25 |
| North Carolina State University | 1492 |
24 |
| FUJIFILM Corporation | 27102 |
19 |
| The Regents of the University of California | 18943 |
16 |
| Health Research, Inc. | 340 |
15 |
| Demerx, Inc. | 73 |
14 |
| Universidade de Coimbra | 166 |
14 |
| BASF SE | 19740 |
13 |
| Mallinckrodt Hospital Products IP Limited | 176 |
13 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
12 |
| Centre National de La Recherche Scientifique | 9632 |
11 |
| DIC Corporation | 3597 |
11 |
| Sumitomo Chemical Company, Limited | 8808 |
10 |
| The General Hospital Corporation | 4517 |
10 |
| L. Molteni & C. DEI Fratelli Alitti Societa di Esercizio S.p.A. | 26 |
9 |
| Mallinckrodt Pharma IP Trading DAC | 58 |
9 |
| Mallinckrodt IP Unlimited Company | 9 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| Boehringer Ingelheim International GmbH | 4629 |
8 |
| Other owners | 1014 |