- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
Patent holdings for IPC class H01M 4/1391
Total number of patents in this class: 2910
10-year publication summary
|
221
|
215
|
222
|
239
|
216
|
191
|
216
|
204
|
230
|
171
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 15292 |
260 |
| Toyota Motor Corporation | 32788 |
114 |
| Samsung SDI Co., Ltd. | 8537 |
83 |
| LG Chem, Ltd. | 17644 |
69 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
57 |
| Sumitomo Metal Mining Co., Ltd. | 1788 |
55 |
| BASF SE | 20979 |
52 |
| Semiconductor Energy Laboratory Co., Ltd. | 11475 |
44 |
| Samsung Electronics Co., Ltd. | 147501 |
41 |
| I-ten | 124 |
33 |
| Murata Manufacturing Co., Ltd. | 24713 |
31 |
| Umicore | 658 |
31 |
| Toshiba Corporation | 12472 |
28 |
| Nichia Corporation | 3735 |
26 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12758 |
26 |
| GM Global Technology Operations LLC | 15150 |
25 |
| Zeon Corporation | 4077 |
25 |
| SK on Co., Ltd. | 1701 |
25 |
| The Regents of the University of California | 20059 |
24 |
| Robert Bosch GmbH | 42813 |
22 |
| Other owners | 1839 |