- All sections
- C - Chemistrymetallurgy
- 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: 1706
10-year publication summary
|
130
|
135
|
152
|
116
|
120
|
104
|
67
|
73
|
95
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7239 |
201 |
| Sumitomo Rubber Industries, Ltd. | 4714 |
130 |
| The Yokohama Rubber Co., Ltd. | 4100 |
123 |
| Compagnie Generale des Etablissements Michelin | 4868 |
114 |
| Zeon Corporation | 4114 |
96 |
| LG Chem, Ltd. | 17810 |
93 |
| JSR Corporation | 2550 |
56 |
| Compagnie générale des établissements Michelin SCA | 2654 |
52 |
| Michelin Recherche et Technique S.A. | 2118 |
50 |
| Kuraray Co., Ltd. | 3570 |
49 |
| Eneos Materials Corporation | 279 |
47 |
| Arlanxeo Deutschland GmbH | 274 |
45 |
| Asahi Kasei Kabushiki Kaisha | 2766 |
33 |
| Bridgestone Americas Tire Operations, LLC | 1099 |
25 |
| Continental Reifen Deutschland GmbH | 2500 |
21 |
| Lanxess Deutschland GmbH | 1141 |
21 |
| NOK Corporation | 2278 |
19 |
| The Goodyear Tire & Rubber Company | 2379 |
15 |
| Toyo Tire Corporation | 1024 |
15 |
| Sumitomo Chemical Company, Limited | 9048 |
13 |
| Other owners | 488 |