- 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: 355
10-year publication summary
24
|
35
|
35
|
35
|
50
|
58
|
38
|
23
|
15
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bridgestone Corporation | 7067 |
100 |
The Yokohama Rubber Co., Ltd. | 3929 |
47 |
Sumitomo Rubber Industries, Ltd. | 4421 |
35 |
Compagnie Generale des Etablissements Michelin | 4450 |
33 |
Michelin Recherche et Technique S.A. | 2328 |
22 |
Compagnie générale des établissements Michelin SCA | 2477 |
20 |
Bridgestone Americas Tire Operations, LLC | 990 |
12 |
Continental Reifen Deutschland GmbH | 2324 |
8 |
Sumitomo Electric Tochigi Co., Ltd. | 34 |
8 |
Sumitomo (SEI) Steel Wire Corp. | 48 |
6 |
The Goodyear Tire & Rubber Company | 2569 |
5 |
Pirelli Tyre S.p.A. | 1832 |
5 |
Societe de Technologie Michelin | 692 |
5 |
Goldhofer AG | 65 |
4 |
Osaka University | 3143 |
4 |
Hongduk Industrial Co., Ltd. | 20 |
3 |
NV Bekaert SA | 750 |
3 |
Shandong Linglong Tire Co., Ltd. | 8 |
3 |
Fuji Seiko Co., Ltd. | 62 |
2 |
KB Seiren, Ltd. | 99 |
2 |
Other owners | 28 |