- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/06 - Sulfur
Patent holdings for IPC class C08K 3/06
Total number of patents in this class: 864
10-year publication summary
|
49
|
75
|
80
|
85
|
81
|
87
|
63
|
71
|
76
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7237 |
80 |
| The Yokohama Rubber Co., Ltd. | 4039 |
52 |
| Sumitomo Rubber Industries, Ltd. | 4651 |
50 |
| Compagnie Generale des Etablissements Michelin | 4745 |
40 |
| Compagnie générale des établissements Michelin SCA | 2569 |
37 |
| Zeon Corporation | 4078 |
25 |
| Saudi Arabian Oil Company | 13206 |
21 |
| Sumitomo Chemical Company, Limited | 9049 |
18 |
| Bridgestone Americas Tire Operations, LLC | 1069 |
18 |
| The Goodyear Tire & Rubber Company | 2503 |
17 |
| Toyo Tire Corporation | 1005 |
14 |
| King Fahd University of Petroleum and Minerals | 1208 |
13 |
| LG Chem, Ltd. | 17639 |
12 |
| Allegiance Corporation | 252 |
11 |
| NOK Corporation | 2220 |
11 |
| Eneos Materials Corporation | 264 |
11 |
| Continental Reifen Deutschland GmbH | 2459 |
10 |
| Aramco Services Company | 3981 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3539 |
9 |
| Denka Company Limited | 2585 |
9 |
| Other owners | 396 |