- All sections
- C - Chemistry; metallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/53 - Organo-phosphine oxides; Organo-phosphine sulfides
Patent holdings for IPC class C07F 9/53
Total number of patents in this class: 452
10-year publication summary
33
|
32
|
31
|
41
|
31
|
50
|
38
|
34
|
34
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Novaled GmbH | 369 |
23 |
National University Corporation Hokkaido University | 1323 |
15 |
Merck Patent GmbH | 5909 |
14 |
LT Materials Co., Ltd. | 312 |
13 |
Samsung Display Co., Ltd. | 30585 |
10 |
FUJIFILM Corporation | 27102 |
9 |
Idemitsu Kosan Co., Ltd. | 3995 |
8 |
Emergent BioDefense Operations Lansing LLC | 27 |
7 |
Eth Zurich | 1193 |
7 |
Agfa NV | 642 |
7 |
Jiangsu Hansoh Pharmaceutical Group Co., Ltd. | 240 |
6 |
Katayama Chemical Industries Co., Ltd. | 19 |
6 |
Shanghai Hansoh Biomedical Co., Ltd. | 186 |
6 |
Lanxess Solutions US, Inc. | 116 |
6 |
Evonik Operations GmbH | 3879 |
6 |
Allergan, Inc. | 2600 |
5 |
Betta Pharmaceuticals Co., Ltd. | 161 |
5 |
National University Corporation Nara Institute of Science and Technology | 275 |
5 |
The University of Tokyo | 3903 |
5 |
Boehringer Ingelheim International GmbH | 4629 |
4 |
Other owners | 285 |