- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
Patent holdings for IPC class H01M 4/505
Total number of patents in this class: 9509
10-year publication summary
681
|
706
|
686
|
661
|
725
|
740
|
844
|
1026
|
1195
|
419
|
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 |
705 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
473 |
LG Chem, Ltd. | 17205 |
431 |
Samsung SDI Co., Ltd. | 6671 |
351 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
351 |
Sumitomo Chemical Company, Limited | 8808 |
257 |
Toyota Motor Corporation | 28582 |
229 |
Contemporary Amperex Technology Co., Limited | 5805 |
229 |
Murata Manufacturing Co., Ltd. | 22355 |
149 |
NEC Corporation | 32703 |
147 |
Sanyo Electric Co., Ltd. | 3926 |
138 |
Umicore | 542 |
134 |
BASF SE | 19740 |
125 |
GS Yuasa International Ltd. | 1834 |
119 |
SK on Co., Ltd. | 1016 |
111 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
100 |
Tanaka Chemical Corporation | 138 |
98 |
Samsung Electronics Co., Ltd. | 131630 |
96 |
Toshiba Corporation | 12017 |
95 |
Umicore Korea Ltd. | 132 |
90 |
Other owners | 5081 |