- All sections
- C - Chemistrymetallurgy
- 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: 3767
10-year publication summary
|
114
|
211
|
416
|
521
|
482
|
486
|
402
|
399
|
416
|
279
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17956 |
120 |
| Shin-Etsu Chemical Co., Ltd. | 6127 |
99 |
| Bridgestone Corporation | 7274 |
97 |
| Sekisui Chemical Co., Ltd. | 3638 |
91 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
87 |
| Resonac Corporation | 3624 |
81 |
| Mitsubishi Gas Chemical Company, Inc. | 3634 |
64 |
| Sumitomo Chemical Company, Limited | 8969 |
58 |
| Denka Company Limited | 2754 |
52 |
| Asahi Kasei Kabushiki Kaisha | 2847 |
45 |
| Toray Industries, Inc. | 7143 |
41 |
| Zeon Corporation | 4167 |
41 |
| Namics Corporation | 491 |
40 |
| Kuraray Co., Ltd. | 3601 |
38 |
| Sumitomo Bakelite Co., Ltd. | 1542 |
38 |
| Agc, Inc. | 5590 |
38 |
| Polyplastics Co., Ltd. | 597 |
36 |
| DIC Corporation | 3982 |
35 |
| FUJIFILM Corporation | 30628 |
33 |
| Mitsubishi Chemical Corporation | 4738 |
31 |
| Other owners | 2602 |