- 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: 3119
10-year publication summary
|
65
|
114
|
210
|
416
|
521
|
476
|
473
|
394
|
393
|
92
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17685 |
103 |
| Shin-Etsu Chemical Co., Ltd. | 5505 |
73 |
| Bridgestone Corporation | 7214 |
69 |
| Panasonic Intellectual Property Management Co., Ltd. | 30164 |
62 |
| Sekisui Chemical Co., Ltd. | 3327 |
61 |
| Mitsubishi Gas Chemical Company, Inc. | 3358 |
58 |
| Sumitomo Chemical Company, Limited | 8999 |
44 |
| Denka Company Limited | 2482 |
41 |
| Zeon Corporation | 4022 |
40 |
| Kuraray Co., Ltd. | 3473 |
37 |
| Resonac Corporation | 2519 |
34 |
| Toray Industries, Inc. | 6878 |
31 |
| Asahi Kasei Kabushiki Kaisha | 2594 |
30 |
| Mitsubishi Chemical Corporation | 4462 |
29 |
| DIC Corporation | 3705 |
29 |
| FUJIFILM Corporation | 28939 |
28 |
| Sumitomo Bakelite Co., Ltd. | 1475 |
28 |
| Polyplastics Co., Ltd. | 587 |
27 |
| Agc, Inc. | 4562 |
27 |
| BASF SE | 20580 |
26 |
| Other owners | 2242 |