- 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: 473
10-year publication summary
|
30
|
31
|
41
|
30
|
48
|
34
|
33
|
32
|
34
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novaled GmbH | 457 |
25 |
| National University Corporation Hokkaido University | 1353 |
15 |
| Merck Patent GmbH | 5733 |
13 |
| LT Materials Co., Ltd. | 414 |
13 |
| Samsung Display Co., Ltd. | 36582 |
10 |
| Agfa NV | 658 |
10 |
| FUJIFILM Corporation | 29871 |
9 |
| Emergent BioDefense Operations Lansing LLC | 29 |
8 |
| Idemitsu Kosan Co., Ltd. | 4221 |
7 |
| Eth Zurich | 1303 |
7 |
| Katayama Chemical Industries Co., Ltd. | 19 |
6 |
| The University of Tokyo | 4257 |
6 |
| Lanxess Solutions US, Inc. | 106 |
6 |
| Evonik Operations GmbH | 4168 |
6 |
| Allergan, Inc. | 2309 |
5 |
| Betta Pharmaceuticals Co., Ltd. | 178 |
5 |
| Jiangsu Hansoh Pharmaceutical Group Co., Ltd. | 328 |
5 |
| National University Corporation Nara Institute of Science and Technology | 239 |
5 |
| Shanghai Hansoh Biomedical Co., Ltd. | 294 |
5 |
| Boehringer Ingelheim International GmbH | 4615 |
4 |
| Other owners | 303 |