- All sections
- C - Chemistry; metallurgy
- 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: 765
10-year publication summary
46
|
49
|
75
|
80
|
85
|
81
|
88
|
62
|
71
|
20
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7067 |
72 |
Sumitomo Rubber Industries, Ltd. | 4421 |
48 |
The Yokohama Rubber Co., Ltd. | 3929 |
45 |
Compagnie générale des établissements Michelin SCA | 2477 |
38 |
Compagnie Generale des Etablissements Michelin | 4450 |
33 |
Zeon Corporation | 3854 |
24 |
Saudi Arabian Oil Company | 11322 |
21 |
Sumitomo Chemical Company, Limited | 8808 |
19 |
Bridgestone Americas Tire Operations, LLC | 990 |
16 |
King Fahd University of Petroleum and Minerals | 779 |
13 |
LG Chem, Ltd. | 17205 |
12 |
ExxonMobil Chemical Patents Inc. | 4286 |
11 |
Allegiance Corporation | 270 |
10 |
Aramco Services Company | 3504 |
10 |
NOK Corporation | 2108 |
10 |
Shell Internationale Research Maatschappij B.V. | 3792 |
9 |
The Goodyear Tire & Rubber Company | 2569 |
9 |
Sumitomo Riko Company Limited | 962 |
9 |
Toyo Tire Corporation | 943 |
9 |
Denka Company Limited | 2189 |
8 |
Other owners | 339 |