- 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: 1670
10-year publication summary
|
134
|
131
|
139
|
162
|
121
|
125
|
104
|
70
|
72
|
63
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7241 |
198 |
| Sumitomo Rubber Industries, Ltd. | 4625 |
133 |
| The Yokohama Rubber Co., Ltd. | 4034 |
122 |
| Compagnie Generale des Etablissements Michelin | 4743 |
114 |
| Zeon Corporation | 4078 |
97 |
| LG Chem, Ltd. | 17620 |
88 |
| JSR Corporation | 2514 |
58 |
| Compagnie générale des établissements Michelin SCA | 2572 |
51 |
| Michelin Recherche et Technique S.A. | 2170 |
50 |
| Kuraray Co., Ltd. | 3503 |
50 |
| Arlanxeo Deutschland GmbH | 277 |
46 |
| Eneos Materials Corporation | 264 |
42 |
| Asahi Kasei Kabushiki Kaisha | 2666 |
31 |
| Bridgestone Americas Tire Operations, LLC | 1069 |
25 |
| Lanxess Deutschland GmbH | 1119 |
21 |
| NOK Corporation | 2219 |
20 |
| Continental Reifen Deutschland GmbH | 2453 |
19 |
| The Goodyear Tire & Rubber Company | 2532 |
18 |
| Toyo Tire Corporation | 998 |
14 |
| Sumitomo Chemical Company, Limited | 9047 |
13 |
| Other owners | 460 |