- 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: 975
10-year publication summary
|
75
|
80
|
85
|
82
|
87
|
63
|
73
|
80
|
71
|
72
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7262 |
94 |
| The Yokohama Rubber Co., Ltd. | 4116 |
54 |
| Compagnie générale des établissements Michelin SCA | 2718 |
52 |
| Sumitomo Rubber Industries, Ltd. | 4727 |
50 |
| Compagnie Generale des Etablissements Michelin | 4971 |
45 |
| Zeon Corporation | 4151 |
25 |
| Bridgestone Americas Tire Operations, LLC | 1127 |
24 |
| Saudi Arabian Oil Company | 14248 |
20 |
| Sumitomo Chemical Company, Limited | 8968 |
19 |
| The Goodyear Tire & Rubber Company | 2394 |
19 |
| Toyo Tire Corporation | 1055 |
17 |
| LG Chem, Ltd. | 17929 |
15 |
| Continental Reifen Deutschland GmbH | 2540 |
13 |
| Eneos Materials Corporation | 280 |
13 |
| King Fahd University of Petroleum and Minerals | 1576 |
12 |
| Sumitomo Riko Company Limited | 1143 |
12 |
| Allegiance Corporation | 239 |
11 |
| Aramco Services Company | 4196 |
10 |
| NOK Corporation | 2304 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3398 |
9 |
| Other owners | 451 |