- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 307/93 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
Patent holdings for IPC class C07D 307/93
Total number of patents in this class: 444
10-year publication summary
|
22
|
31
|
28
|
28
|
27
|
28
|
17
|
29
|
17
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JSR Corporation | 2532 |
13 |
| Sumitomo Chemical Company, Limited | 9079 |
12 |
| Korea Research Institute of Chemical Technology | 1401 |
12 |
| Lung Biotechnology PBC | 95 |
12 |
| Nankai University | 238 |
12 |
| Crius Technology Group, Inc. | 22 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5695 |
10 |
| Accendatech | 15 |
9 |
| United Therapeutics Corporation | 310 |
9 |
| eFFECTOR Therapeutics, Inc. | 69 |
8 |
| SFC Co., Ltd. | 321 |
8 |
| Merck Patent GmbH | 5767 |
7 |
| Novartis AG | 10721 |
6 |
| Katholieke Universiteit Leuven | 1197 |
6 |
| Katholieke Universiteit Leuven K.u. Leuven R & D | 211 |
6 |
| Trustees of Boston University | 986 |
6 |
| Tokyo Ohka Kogyo Co., Ltd. | 1552 |
5 |
| LT Materials Co., Ltd. | 411 |
5 |
| Samsung Display Co., Ltd. | 35374 |
4 |
| The Regents of the University of California | 20108 |
4 |
| Other owners | 279 |