- All sections
- C - Chemistry; metallurgy
- 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: 3151
10-year publication summary
|
251
|
273
|
292
|
378
|
307
|
247
|
209
|
193
|
164
|
53
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7067 |
412 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
250 |
| The Yokohama Rubber Co., Ltd. | 3929 |
232 |
| Compagnie Generale des Etablissements Michelin | 4450 |
195 |
| Michelin Recherche et Technique S.A. | 2328 |
102 |
| Compagnie générale des établissements Michelin SCA | 2477 |
94 |
| Bridgestone Americas Tire Operations, LLC | 990 |
83 |
| LG Chem, Ltd. | 17205 |
79 |
| The Goodyear Tire & Rubber Company | 2569 |
60 |
| Continental Reifen Deutschland GmbH | 2324 |
52 |
| Pirelli Tyre S.p.A. | 1832 |
50 |
| ExxonMobil Chemical Patents Inc. | 4286 |
49 |
| Zeon Corporation | 3854 |
48 |
| Kuraray Co., Ltd. | 3392 |
40 |
| JSR Corporation | 2476 |
32 |
| Bridgestone Sports Co., Ltd. | 541 |
31 |
| Toyo Tire Corporation | 943 |
31 |
| Acushnet Company | 2337 |
27 |
| Sumitomo Riko Company Limited | 962 |
26 |
| Toyo Tire & Rubber Co., Ltd. | 631 |
24 |
| Other owners | 1234 |