- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/548 - Silicon-containing compounds containing sulfur
Patent holdings for IPC class C08K 5/548
Total number of patents in this class: 713
10-year publication summary
|
59
|
52
|
57
|
59
|
48
|
43
|
38
|
56
|
56
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7230 |
71 |
| The Yokohama Rubber Co., Ltd. | 4053 |
59 |
| Sumitomo Rubber Industries, Ltd. | 4663 |
53 |
| Continental Reifen Deutschland GmbH | 2456 |
29 |
| Compagnie Generale des Etablissements Michelin | 4754 |
29 |
| The Goodyear Tire & Rubber Company | 2487 |
28 |
| Compagnie générale des établissements Michelin SCA | 2577 |
20 |
| Momentive Performance Materials Inc. | 919 |
19 |
| Shin-Etsu Chemical Co., Ltd. | 5680 |
17 |
| Evonik Operations GmbH | 4147 |
17 |
| Lanxess Deutschland GmbH | 1113 |
15 |
| Michelin Recherche et Technique S.A. | 2163 |
14 |
| Eneos Materials Corporation | 264 |
12 |
| Pirelli Tyre S.p.A. | 1918 |
11 |
| Lintec Corporation | 1965 |
9 |
| Toyo Tire Corporation | 1011 |
9 |
| LG Chem, Ltd. | 17643 |
8 |
| Bridgestone Americas Tire Operations, LLC | 1070 |
8 |
| Osaka Soda Co., Ltd. | 231 |
8 |
| Zeon Corporation | 4078 |
8 |
| Other owners | 269 |