- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/013 - Fillers, pigments or reinforcing additives
Patent holdings for IPC class C08K 3/013
Total number of patents in this class: 2755
10-year publication summary
|
26
|
65
|
114
|
208
|
414
|
518
|
471
|
466
|
381
|
132
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
100 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
61 |
| Bridgestone Corporation | 7067 |
51 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
47 |
| Sumitomo Chemical Company, Limited | 8808 |
39 |
| Sekisui Chemical Co., Ltd. | 3159 |
39 |
| Zeon Corporation | 3854 |
38 |
| Denka Company Limited | 2189 |
34 |
| Kuraray Co., Ltd. | 3392 |
30 |
| DIC Corporation | 3597 |
28 |
| Toray Industries, Inc. | 6652 |
27 |
| BASF SE | 19740 |
25 |
| Polyplastics Co., Ltd. | 563 |
25 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
25 |
| Toyobo Co., Ltd. | 2286 |
25 |
| 3m Innovative Properties Company | 18406 |
23 |
| Dow Global Technologies LLC | 10147 |
23 |
| Compagnie générale des établissements Michelin SCA | 2477 |
22 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
22 |
| Other owners | 2021 |