- 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: 923
10-year publication summary
|
75
|
80
|
85
|
82
|
87
|
63
|
73
|
79
|
69
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7233 |
86 |
| The Yokohama Rubber Co., Ltd. | 4101 |
53 |
| Sumitomo Rubber Industries, Ltd. | 4714 |
51 |
| Compagnie générale des établissements Michelin SCA | 2664 |
43 |
| Compagnie Generale des Etablissements Michelin | 4894 |
42 |
| Zeon Corporation | 4121 |
25 |
| Saudi Arabian Oil Company | 13948 |
21 |
| Bridgestone Americas Tire Operations, LLC | 1112 |
20 |
| Sumitomo Chemical Company, Limited | 9055 |
19 |
| The Goodyear Tire & Rubber Company | 2380 |
17 |
| Toyo Tire Corporation | 1031 |
15 |
| LG Chem, Ltd. | 17846 |
14 |
| King Fahd University of Petroleum and Minerals | 1496 |
13 |
| Eneos Materials Corporation | 280 |
13 |
| Continental Reifen Deutschland GmbH | 2510 |
11 |
| Allegiance Corporation | 237 |
11 |
| Sumitomo Riko Company Limited | 1122 |
11 |
| Aramco Services Company | 4162 |
10 |
| NOK Corporation | 2287 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3456 |
9 |
| Other owners | 429 |