- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/14 - Electrodes for lead-acid accumulators
Patent holdings for IPC class H01M 4/14
Total number of patents in this class: 511
10-year publication summary
39
|
42
|
36
|
49
|
41
|
43
|
42
|
59
|
30
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
GS Yuasa International Ltd. | 1834 |
115 |
Hitachi Chemical Company, Ltd. | 2455 |
41 |
The Furukawa Battery Co., Ltd. | 154 |
38 |
The Furukawa Electric Co., Ltd. | 3486 |
24 |
Showa Denko Materials Co., Ltd. | 629 |
18 |
CPS Technology Holdings LLC | 652 |
16 |
Cabot Corporation | 575 |
13 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
11 |
Gridtential Energy, Inc. | 41 |
11 |
Johns Manville | 980 |
11 |
Shin-Kobe Electric Machinery Co., Ltd. | 135 |
11 |
Clarios Germany GmbH & Co. KG | 88 |
10 |
Daramic, LLC | 207 |
8 |
RSR Technologies, Inc. | 43 |
8 |
Aqua Metals, Inc. | 39 |
7 |
Group14 Technologies, Inc. | 73 |
7 |
Arcactive Limited | 24 |
6 |
Panasonic Corporation | 20786 |
5 |
Bank of America, N.A. | 274 |
4 |
Copperwatts LLC | 4 |
4 |
Other owners | 143 |