- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 333/22 - Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
Patent holdings for IPC class C07D 333/22
Total number of patents in this class: 303
10-year publication summary
|
28
|
16
|
17
|
16
|
19
|
8
|
14
|
16
|
17
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20153 |
9 |
| FUJIFILM Corporation | 29713 |
5 |
| Allergan, Inc. | 2329 |
4 |
| Sumitomo Electric Industries, Ltd. | 15668 |
4 |
| Sumitomo Chemical Company, Limited | 9092 |
4 |
| Amyris, Inc. | 377 |
4 |
| Kyushu University, National University Corporation | 1661 |
4 |
| Ludwig-Maximilians-Universitat Munchen | 341 |
4 |
| National Institute of Information and Communications Technology | 639 |
4 |
| Nissan Chemical Corporation | 2079 |
4 |
| Novartis AG | 10707 |
3 |
| Centre National de La Recherche Scientifique | 10595 |
3 |
| Corning Incorporated | 10336 |
3 |
| Daikin Industries, Ltd. | 10112 |
3 |
| Katholieke Universiteit Leuven | 1204 |
3 |
| Kureha Corporation | 1040 |
3 |
| Osaka University | 3394 |
3 |
| Saga University | 148 |
3 |
| Sirrus, Inc. | 48 |
3 |
| Tokyo Ohka Kogyo Co., Ltd. | 1551 |
3 |
| Other owners | 227 |