- 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: 2957
10-year publication summary
|
26
|
65
|
114
|
210
|
415
|
520
|
472
|
471
|
388
|
324
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17498 |
103 |
| Shin-Etsu Chemical Co., Ltd. | 5306 |
66 |
| Bridgestone Corporation | 7132 |
59 |
| Panasonic Intellectual Property Management Co., Ltd. | 28896 |
58 |
| Mitsubishi Gas Chemical Company, Inc. | 3283 |
56 |
| Sekisui Chemical Co., Ltd. | 3247 |
55 |
| Sumitomo Chemical Company, Limited | 8916 |
40 |
| Denka Company Limited | 2402 |
40 |
| Zeon Corporation | 3980 |
39 |
| Kuraray Co., Ltd. | 3412 |
31 |
| Toray Industries, Inc. | 6784 |
28 |
| DIC Corporation | 3584 |
28 |
| BASF SE | 20146 |
26 |
| FUJIFILM Corporation | 27649 |
26 |
| Polyplastics Co., Ltd. | 576 |
26 |
| Sumitomo Bakelite Co., Ltd. | 1431 |
26 |
| Agc, Inc. | 4253 |
26 |
| Dow Global Technologies LLC | 10297 |
25 |
| Asahi Kasei Kabushiki Kaisha | 2540 |
25 |
| Toyobo Co., Ltd. | 2362 |
25 |
| Other owners | 2149 |