- 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: 3484
10-year publication summary
|
292
|
378
|
308
|
249
|
215
|
204
|
169
|
193
|
160
|
134
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7275 |
473 |
| Sumitomo Rubber Industries, Ltd. | 4733 |
268 |
| The Yokohama Rubber Co., Ltd. | 4107 |
244 |
| Compagnie Generale des Etablissements Michelin | 4983 |
219 |
| Compagnie générale des établissements Michelin SCA | 2759 |
105 |
| Michelin Recherche et Technique S.A. | 2076 |
101 |
| Bridgestone Americas Tire Operations, LLC | 1134 |
101 |
| LG Chem, Ltd. | 17978 |
79 |
| Continental Reifen Deutschland GmbH | 2545 |
63 |
| The Goodyear Tire & Rubber Company | 2378 |
63 |
| Zeon Corporation | 4179 |
52 |
| Pirelli Tyre S.p.A. | 1967 |
51 |
| Toyo Tire Corporation | 1060 |
47 |
| ExxonMobil Chemical Patents Inc. | 3759 |
46 |
| Kuraray Co., Ltd. | 3616 |
43 |
| Acushnet Company | 2744 |
35 |
| Sumitomo Riko Company Limited | 1176 |
35 |
| Bridgestone Sports Co., Ltd. | 503 |
34 |
| Eneos Materials Corporation | 291 |
33 |
| JSR Corporation | 2559 |
26 |
| Other owners | 1366 |