- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 2/04 - Lids or covers
Patent holdings for IPC class H01M 2/04
Total number of patents in this class: 2241
10-year publication summary
|
220
|
190
|
305
|
250
|
177
|
68
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung SDI Co., Ltd. | 7960 |
430 |
| Robert Bosch GmbH | 42392 |
143 |
| LG Energy Solution, Ltd. | 14258 |
105 |
| Sanyo Electric Co., Ltd. | 3718 |
91 |
| GS Yuasa International Ltd. | 1999 |
84 |
| LG Chem, Ltd. | 17538 |
76 |
| Toyota Motor Corporation | 31311 |
59 |
| Contemporary Amperex Technology Co., Limited | 6160 |
53 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3332 |
53 |
| BYD Company Limited | 4742 |
45 |
| Panasonic Intellectual Property Management Co., Ltd. | 30822 |
43 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12890 |
35 |
| Panasonic Corporation | 20188 |
31 |
| CPS Technology Holdings LLC | 714 |
29 |
| Toshiba Corporation | 12264 |
18 |
| Hitachi Automotive Systems, Ltd. | 3958 |
17 |
| Murata Manufacturing Co., Ltd. | 24260 |
17 |
| Varta Microbattery GmbH | 299 |
17 |
| Sumitomo Electric Industries, Ltd. | 15292 |
16 |
| Lithium Energy and Power GmbH & Co. KG | 85 |
16 |
| Other owners | 863 |