- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/40 - Alloys based on alkali metals
Patent holdings for IPC class H01M 4/40
Total number of patents in this class: 1233
10-year publication summary
|
58
|
71
|
90
|
71
|
91
|
117
|
108
|
110
|
125
|
72
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
85 |
| Samsung SDI Co., Ltd. | 10524 |
84 |
| LG Energy Solution, Ltd. | 18737 |
81 |
| Samsung Electronics Co., Ltd. | 157300 |
49 |
| Sion Power Corporation | 289 |
47 |
| Toyota Motor Corporation | 35578 |
26 |
| Massachusetts Institute of Technology | 10237 |
24 |
| Honeycomb Battery Company | 402 |
23 |
| Hydro-Quebec | 635 |
18 |
| GM Global Technology Operations LLC | 16087 |
15 |
| Corning Incorporated | 10499 |
14 |
| Blue Solutions | 133 |
14 |
| Robert Bosch GmbH | 44094 |
13 |
| The Regents of the University of California | 20694 |
11 |
| 24M Technologies, Inc. | 299 |
11 |
| GS Yuasa International Ltd. | 2245 |
11 |
| Lyten, Inc. | 353 |
11 |
| Natron (assignment for The Benefit of Creditors), LLC | 52 |
11 |
| Hyundai Motor Company | 24578 |
10 |
| Showa Denko K.K. | 2075 |
10 |
| Other owners | 665 |