- 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: 1645
10-year publication summary
|
134
|
131
|
139
|
162
|
121
|
125
|
104
|
70
|
72
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7204 |
194 |
| Sumitomo Rubber Industries, Ltd. | 4472 |
132 |
| The Yokohama Rubber Co., Ltd. | 4003 |
122 |
| Compagnie Generale des Etablissements Michelin | 4675 |
113 |
| Zeon Corporation | 4065 |
97 |
| LG Chem, Ltd. | 17538 |
88 |
| JSR Corporation | 2508 |
57 |
| Compagnie générale des établissements Michelin SCA | 2568 |
51 |
| Michelin Recherche et Technique S.A. | 2203 |
50 |
| Kuraray Co., Ltd. | 3495 |
50 |
| Arlanxeo Deutschland GmbH | 273 |
46 |
| Eneos Materials Corporation | 253 |
40 |
| Asahi Kasei Kabushiki Kaisha | 2633 |
30 |
| Bridgestone Americas Tire Operations, LLC | 1061 |
23 |
| Lanxess Deutschland GmbH | 1125 |
21 |
| NOK Corporation | 2211 |
20 |
| Continental Reifen Deutschland GmbH | 2435 |
18 |
| The Goodyear Tire & Rubber Company | 2565 |
17 |
| Sumitomo Chemical Company, Limited | 8998 |
13 |
| Toyo Tire Corporation | 981 |
12 |
| Other owners | 451 |