- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
Patent holdings for IPC class C08L 9/00
Total number of patents in this class: 3385
10-year publication summary
|
266
|
289
|
371
|
293
|
234
|
207
|
195
|
165
|
187
|
155
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7217 |
453 |
| Sumitomo Rubber Industries, Ltd. | 4678 |
268 |
| The Yokohama Rubber Co., Ltd. | 4092 |
242 |
| Compagnie Generale des Etablissements Michelin | 4797 |
215 |
| Michelin Recherche et Technique S.A. | 2141 |
101 |
| Compagnie générale des établissements Michelin SCA | 2591 |
97 |
| Bridgestone Americas Tire Operations, LLC | 1090 |
95 |
| LG Chem, Ltd. | 17679 |
79 |
| The Goodyear Tire & Rubber Company | 2443 |
65 |
| Continental Reifen Deutschland GmbH | 2462 |
59 |
| Zeon Corporation | 4116 |
51 |
| Pirelli Tyre S.p.A. | 1920 |
50 |
| ExxonMobil Chemical Patents Inc. | 3948 |
47 |
| Kuraray Co., Ltd. | 3539 |
44 |
| Toyo Tire Corporation | 1012 |
44 |
| Bridgestone Sports Co., Ltd. | 525 |
33 |
| Eneos Materials Corporation | 277 |
32 |
| Sumitomo Riko Company Limited | 1092 |
31 |
| Acushnet Company | 2590 |
29 |
| JSR Corporation | 2542 |
26 |
| Other owners | 1324 |