- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 15/00 - Compositions of rubber derivatives
Patent holdings for IPC class C08L 15/00
Total number of patents in this class: 1563
10-year publication summary
|
115
|
134
|
131
|
139
|
163
|
120
|
124
|
104
|
70
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7067 |
179 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
131 |
| The Yokohama Rubber Co., Ltd. | 3929 |
114 |
| Compagnie Generale des Etablissements Michelin | 4450 |
108 |
| Zeon Corporation | 3854 |
91 |
| LG Chem, Ltd. | 17205 |
86 |
| JSR Corporation | 2476 |
57 |
| Compagnie générale des établissements Michelin SCA | 2477 |
50 |
| Michelin Recherche et Technique S.A. | 2328 |
50 |
| Arlanxeo Deutschland GmbH | 302 |
46 |
| Kuraray Co., Ltd. | 3392 |
46 |
| Eneos Materials Corporation | 141 |
29 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
27 |
| Lanxess Deutschland GmbH | 1104 |
22 |
| NOK Corporation | 2108 |
20 |
| Bridgestone Americas Tire Operations, LLC | 990 |
19 |
| Continental Reifen Deutschland GmbH | 2324 |
17 |
| Sumitomo Chemical Company, Limited | 8808 |
16 |
| The Goodyear Tire & Rubber Company | 2569 |
16 |
| Toyo Tire Corporation | 943 |
11 |
| Other owners | 428 |