- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/09 - Esters of phosphoric acids
Patent holdings for IPC class C07F 9/09
Total number of patents in this class: 973
10-year publication summary
|
60
|
74
|
87
|
100
|
67
|
70
|
65
|
60
|
56
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4893 |
19 |
| Sony Group Corporation | 13851 |
19 |
| The Regents of the University of California | 19929 |
15 |
| Sony Corporation | 31036 |
13 |
| BASF SE | 20915 |
10 |
| Daikin Industries, Ltd. | 10004 |
10 |
| Modernatx, Inc. | 1263 |
10 |
| Lantheus Medical Imaging, Inc. | 175 |
9 |
| International Business Machines Corporation | 61257 |
8 |
| Aeromics, Inc. | 29 |
8 |
| SignPath Pharma Inc. | 68 |
8 |
| The University of Tokyo | 4179 |
8 |
| Wisconsin Alumni Research Foundation | 3885 |
7 |
| Mitsui Chemicals, Inc. | 3219 |
7 |
| Emory University | 1629 |
7 |
| Mitsubishi Tanabe Pharma Corporation | 580 |
7 |
| LG Chem, Ltd. | 17638 |
6 |
| Sony Corporation of America | 362 |
6 |
| E. I. du Pont de Nemours and Company | 4071 |
6 |
| Merck Patent GmbH | 5823 |
6 |
| Other owners | 784 |