- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/53 - Organo-phosphine oxidesOrgano-phosphine sulfides
Patent holdings for IPC class C07F 9/53
Total number of patents in this class: 474
10-year publication summary
|
32
|
31
|
41
|
31
|
50
|
39
|
35
|
34
|
35
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novaled GmbH | 441 |
24 |
| National University Corporation Hokkaido University | 1342 |
15 |
| Merck Patent GmbH | 5831 |
13 |
| LT Materials Co., Ltd. | 406 |
13 |
| Agfa NV | 655 |
10 |
| Samsung Display Co., Ltd. | 34696 |
9 |
| FUJIFILM Corporation | 29367 |
9 |
| Emergent BioDefense Operations Lansing LLC | 29 |
8 |
| Idemitsu Kosan Co., Ltd. | 4219 |
7 |
| Eth Zurich | 1275 |
7 |
| Jiangsu Hansoh Pharmaceutical Group Co., Ltd. | 304 |
6 |
| Katayama Chemical Industries Co., Ltd. | 19 |
6 |
| Shanghai Hansoh Biomedical Co., Ltd. | 264 |
6 |
| Lanxess Solutions US, Inc. | 107 |
6 |
| Evonik Operations GmbH | 4105 |
6 |
| Allergan, Inc. | 2349 |
5 |
| Betta Pharmaceuticals Co., Ltd. | 179 |
5 |
| National University Corporation Nara Institute of Science and Technology | 237 |
5 |
| The University of Tokyo | 4176 |
5 |
| Boehringer Ingelheim International GmbH | 4650 |
4 |
| Other owners | 305 |