- 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: 1753
10-year publication summary
|
131
|
139
|
162
|
122
|
125
|
105
|
69
|
73
|
95
|
71
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7251 |
208 |
| Sumitomo Rubber Industries, Ltd. | 4723 |
132 |
| The Yokohama Rubber Co., Ltd. | 4114 |
124 |
| Compagnie Generale des Etablissements Michelin | 4969 |
118 |
| LG Chem, Ltd. | 17921 |
98 |
| Zeon Corporation | 4145 |
96 |
| JSR Corporation | 2555 |
56 |
| Compagnie générale des établissements Michelin SCA | 2715 |
53 |
| Michelin Recherche et Technique S.A. | 2086 |
50 |
| Kuraray Co., Ltd. | 3589 |
49 |
| Eneos Materials Corporation | 281 |
47 |
| Arlanxeo Deutschland GmbH | 278 |
46 |
| Asahi Kasei Kabushiki Kaisha | 2828 |
34 |
| Bridgestone Americas Tire Operations, LLC | 1119 |
30 |
| Continental Reifen Deutschland GmbH | 2537 |
23 |
| Lanxess Deutschland GmbH | 1140 |
20 |
| NOK Corporation | 2296 |
19 |
| Toyo Tire Corporation | 1051 |
16 |
| The Goodyear Tire & Rubber Company | 2394 |
15 |
| Bridgestone Europe NV/SA | 379 |
15 |
| Other owners | 504 |