- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/44 - Sulfenamides
Patent holdings for IPC class C08K 5/44
Total number of patents in this class: 99
10-year publication summary
9
|
10
|
5
|
7
|
10
|
10
|
9
|
6
|
8
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7067 |
32 |
The Yokohama Rubber Co., Ltd. | 3929 |
12 |
Compagnie générale des établissements Michelin SCA | 2477 |
6 |
Sumitomo Rubber Industries, Ltd. | 4421 |
4 |
Compagnie Generale des Etablissements Michelin | 4450 |
4 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
Michelin Recherche et Technique S.A. | 2328 |
3 |
Evonik Industries AG | 225 |
2 |
Sumitomo Chemical Company, Limited | 8808 |
2 |
NOK Corporation | 2108 |
2 |
Pirelli Tyre S.p.A. | 1832 |
2 |
Sumitomo Riko Company Limited | 962 |
2 |
LG Chem, Ltd. | 17205 |
1 |
FUJIFILM Corporation | 27102 |
1 |
Robert Bosch GmbH | 40953 |
1 |
Hyundai Motor Company | 19021 |
1 |
LG Innotek Co., Ltd. | 6758 |
1 |
Continental Reifen Deutschland GmbH | 2324 |
1 |
The Goodyear Tire & Rubber Company | 2569 |
1 |
ExxonMobil Chemical Patents Inc. | 4286 |
1 |
Other owners | 17 |