- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
Patent holdings for IPC class H01M 4/48
Total number of patents in this class: 3869
10-year publication summary
291
|
275
|
278
|
273
|
277
|
268
|
287
|
290
|
389
|
144
|
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 |
315 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
147 |
LG Chem, Ltd. | 17205 |
132 |
Murata Manufacturing Co., Ltd. | 22355 |
99 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
96 |
NEC Corporation | 32703 |
89 |
Samsung SDI Co., Ltd. | 6671 |
84 |
Sanyo Electric Co., Ltd. | 3926 |
69 |
Toshiba Corporation | 12017 |
62 |
Toyota Motor Corporation | 28582 |
58 |
Panasonic Corporation | 20786 |
53 |
Ningde Amperex Technology Limited | 1512 |
50 |
Panasonic Energy Co., Ltd. | 667 |
47 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
39 |
Kabushiki Kaisha Toyota Jidoshokki | 1699 |
38 |
Contemporary Amperex Technology Co., Limited | 5805 |
36 |
Samsung Electronics Co., Ltd. | 131630 |
35 |
SK on Co., Ltd. | 1016 |
35 |
Honeycomb Battery Company | 359 |
33 |
Showa Denko K.K. | 2539 |
30 |
Other owners | 2322 |