- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/28 - Nitrogen-containing compounds
Patent holdings for IPC class C08K 3/28
Total number of patents in this class: 940
10-year publication summary
|
64
|
66
|
86
|
97
|
75
|
74
|
78
|
64
|
75
|
75
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5814 |
47 |
| FUJIFILM Corporation | 29871 |
31 |
| Fuji Polymer Industries Co., Ltd. | 125 |
24 |
| Tokuyama Corporation | 1434 |
23 |
| Nike, Inc. | 14404 |
22 |
| Sekisui Chemical Co., Ltd. | 3511 |
17 |
| Dow Silicones Corporation | 1993 |
16 |
| Dow Global Technologies LLC | 10587 |
15 |
| 3m Innovative Properties Company | 17653 |
11 |
| BASF SE | 21101 |
11 |
| LG Chem, Ltd. | 17704 |
11 |
| Daikin Industries, Ltd. | 10169 |
9 |
| Toray Industries, Inc. | 7016 |
9 |
| Denka Company Limited | 2662 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3512 |
9 |
| Zeon Corporation | 4116 |
9 |
| Agc, Inc. | 5057 |
9 |
| Resonac Corporation | 3029 |
9 |
| Samsung SDI Co., Ltd. | 8968 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 32590 |
8 |
| Other owners | 633 |