Patent holdings for IPC class C08K 5/40

Total number of patents in this class: 163

10-year publication summary

14
13
16
15
17
11
10
9
12
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Bridgestone Corporation
7235
35
The Yokohama Rubber Co., Ltd.
4104
12
Sumitomo Rubber Industries, Ltd.
4712
10
NOK Corporation
2264
7
Compagnie Generale des Etablissements Michelin
4855
6
Arkema Inc.
1056
5
Denka Company Limited
2682
5
The Boeing Company
20102
4
Denki Kagaku Kogyo Kabushiki Kaisha
609
4
Lanxess Deutschland GmbH
1111
4
Church & Dwight Co., Inc.
1853
3
The Goodyear Tire & Rubber Company
2378
3
Tokai Rubber Industries, Ltd.
162
3
Dow Silicones Corporation
2021
3
Hyundai Motor Company
23323
2
Toyoda Gosei Co., Ltd.
1830
2
Compagnie générale des établissements Michelin SCA
2642
2
Michelin Recherche et Technique S.A.
2128
2
Henkel AG & Co. KGaA
10699
2
Ansell Limited
480
2
Other owners 47