- 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: 3455
10-year publication summary
|
60
|
106
|
200
|
402
|
502
|
454
|
449
|
380
|
392
|
382
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17682 |
109 |
| Shin-Etsu Chemical Co., Ltd. | 5773 |
83 |
| Bridgestone Corporation | 7216 |
79 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
77 |
| Sekisui Chemical Co., Ltd. | 3491 |
77 |
| Mitsubishi Gas Chemical Company, Inc. | 3498 |
61 |
| Sumitomo Chemical Company, Limited | 9110 |
56 |
| Denka Company Limited | 2650 |
52 |
| Resonac Corporation | 2989 |
52 |
| Zeon Corporation | 4113 |
41 |
| Kuraray Co., Ltd. | 3537 |
38 |
| Toray Industries, Inc. | 7007 |
36 |
| Asahi Kasei Kabushiki Kaisha | 2715 |
36 |
| FUJIFILM Corporation | 29797 |
33 |
| Polyplastics Co., Ltd. | 605 |
33 |
| DIC Corporation | 3841 |
32 |
| Namics Corporation | 456 |
32 |
| Sumitomo Bakelite Co., Ltd. | 1511 |
32 |
| Agc, Inc. | 5000 |
32 |
| Mitsubishi Chemical Corporation | 4604 |
31 |
| Other owners | 2433 |