- 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: 880
10-year publication summary
|
46
|
74
|
78
|
83
|
80
|
85
|
59
|
69
|
77
|
56
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7218 |
82 |
| The Yokohama Rubber Co., Ltd. | 4085 |
53 |
| Sumitomo Rubber Industries, Ltd. | 4673 |
50 |
| Compagnie Generale des Etablissements Michelin | 4766 |
41 |
| Compagnie générale des établissements Michelin SCA | 2584 |
37 |
| Zeon Corporation | 4113 |
25 |
| Saudi Arabian Oil Company | 13428 |
21 |
| Bridgestone Americas Tire Operations, LLC | 1075 |
19 |
| Sumitomo Chemical Company, Limited | 9086 |
18 |
| The Goodyear Tire & Rubber Company | 2468 |
17 |
| Toyo Tire Corporation | 1012 |
14 |
| LG Chem, Ltd. | 17680 |
13 |
| King Fahd University of Petroleum and Minerals | 1305 |
13 |
| Allegiance Corporation | 251 |
11 |
| NOK Corporation | 2238 |
11 |
| Eneos Materials Corporation | 272 |
11 |
| Continental Reifen Deutschland GmbH | 2460 |
10 |
| Aramco Services Company | 4039 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
9 |
| Denka Company Limited | 2630 |
9 |
| Other owners | 406 |