Patent holdings for IPC class H01M 4/20

Total number of patents in this class: 212

10-year publication summary

20
13
9
17
18
13
8
10
6
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Wirtz Manufacturing Co., Inc.
57
19
CPS Technology Holdings LLC
771
13
Arcactive Limited
29
12
GS Yuasa International Ltd.
2225
11
Johns Manville
926
9
RSR Technologies, Inc.
29
8
Cabot Corporation
554
7
Clarios Germany GmbH & Co. KG
107
7
Hitachi Chemical Company, Ltd.
2263
6
Commonwealth Scientific and Industrial Research Organisation
1660
5
Hollingsworth & Vose Company
302
5
The Furukawa Battery Co., Ltd.
177
4
Gridtential Energy, Inc.
45
4
Shin-Kobe Electric Machinery Co., Ltd.
119
4
Showa Denko Materials Co., Ltd.
624
4
Panasonic Corporation
19485
3
Arkema France
4189
3
Bank of America, N.A.
291
3
NTT Data Intellilink Corporation
12
3
Vulcan Automotive Industries Ltd.
7
3
Other owners 79