- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
Patent holdings for IPC class H01M 4/38
Total number of patents in this class: 10173
10-year publication summary
696
|
795
|
822
|
855
|
938
|
970
|
997
|
1104
|
1286
|
424
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Energy Solution, Ltd. | 10813 |
682 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
347 |
Samsung SDI Co., Ltd. | 6671 |
318 |
LG Chem, Ltd. | 17205 |
213 |
Enevate Corporation | 368 |
208 |
Toyota Motor Corporation | 28582 |
194 |
Murata Manufacturing Co., Ltd. | 22355 |
180 |
Samsung Electronics Co., Ltd. | 131630 |
178 |
Honeycomb Battery Company | 359 |
145 |
GM Global Technology Operations LLC | 13620 |
134 |
Robert Bosch GmbH | 40953 |
127 |
Nissan Motor Co., Ltd. | 12249 |
125 |
Nexeon Limited | 130 |
102 |
NEC Corporation | 32703 |
99 |
Ningde Amperex Technology Limited | 1512 |
99 |
Sion Power Corporation | 286 |
99 |
Contemporary Amperex Technology Co., Limited | 5805 |
98 |
SK on Co., Ltd. | 1016 |
90 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
77 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
76 |
Other owners | 6582 |