- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/5397 - Phosphine oxides
Patent holdings for IPC class C08K 5/5397
Total number of patents in this class: 246
10-year publication summary
|
4
|
6
|
22
|
33
|
36
|
33
|
24
|
23
|
22
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17921 |
9 |
| Canon Inc. | 43817 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
8 |
| Resonac Corporation | 3530 |
7 |
| Seiko Epson Corporation | 20256 |
6 |
| Agfa NV | 668 |
6 |
| 3m Innovative Properties Company | 17478 |
5 |
| BASF SE | 21303 |
5 |
| Xerox Corporation | 4391 |
5 |
| Lanxess Solutions US, Inc. | 102 |
5 |
| Mighty Buildings, Inc. | 65 |
5 |
| Ricoh Company, Ltd. | 13342 |
4 |
| Chemtura Corporation | 127 |
4 |
| Elite Electronic Material (Kunshan) Co., Ltd. | 52 |
4 |
| SHPP Global Technologies B.V. | 1103 |
4 |
| Bridgestone Corporation | 7259 |
3 |
| Dow Global Technologies LLC | 10944 |
3 |
| Henkel AG & Co. KGaA | 10770 |
3 |
| Dow Silicones Corporation | 2114 |
3 |
| Johnson & Johnson Surgical Vision, Inc. | 940 |
3 |
| Other owners | 146 |