- All sections
- B - Performing operations; transporting
- B60C - Vehicle tyres; tyre inflation; tyre changing; connecting valves to inflatable elastic bodies in general; devices or arrangements related to tyres
- B60C 15/04 - Bead cores
Patent holdings for IPC class B60C 15/04
Total number of patents in this class: 360
10-year publication summary
|
35
|
35
|
35
|
50
|
58
|
39
|
23
|
16
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7142 |
101 |
| The Yokohama Rubber Co., Ltd. | 3960 |
51 |
| Sumitomo Rubber Industries, Ltd. | 4402 |
35 |
| Compagnie Generale des Etablissements Michelin | 4615 |
34 |
| Michelin Recherche et Technique S.A. | 2238 |
21 |
| Compagnie générale des établissements Michelin SCA | 2512 |
20 |
| Bridgestone Americas Tire Operations, LLC | 1041 |
12 |
| Continental Reifen Deutschland GmbH | 2416 |
8 |
| Sumitomo Electric Tochigi Co., Ltd. | 31 |
7 |
| The Goodyear Tire & Rubber Company | 2569 |
5 |
| Pirelli Tyre S.p.A. | 1869 |
5 |
| Sumitomo (SEI) Steel Wire Corp. | 45 |
5 |
| Goldhofer AG | 65 |
4 |
| NV Bekaert SA | 759 |
4 |
| Osaka University | 3293 |
4 |
| Societe de Technologie Michelin | 628 |
4 |
| Hongduk Industrial Co., Ltd. | 21 |
3 |
| Shandong Linglong Tire Co., Ltd. | 14 |
3 |
| Fuji Seiko Co., Ltd. | 60 |
2 |
| KB Seiren, Ltd. | 100 |
2 |
| Other owners | 30 |