- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 12/04 - Hybrid cellsManufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
Patent holdings for IPC class H01M 12/04
Total number of patents in this class: 91
10-year publication summary
|
5
|
3
|
11
|
9
|
3
|
3
|
5
|
3
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 10183 |
13 |
| Energizer Brands, LLC | 789 |
5 |
| Toyota Motor Corporation | 34468 |
4 |
| Alumapower Corporation | 26 |
4 |
| Samsung Electronics Co., Ltd. | 153357 |
3 |
| The Regents of the University of California | 20478 |
3 |
| Form Energy, Inc. | 234 |
3 |
| NGK Insulators, Ltd. | 5182 |
2 |
| Covestro Deutschland AG | 2796 |
2 |
| PolyPlus Battery Company | 97 |
2 |
| University Court of The University of ST Andrews | 310 |
2 |
| Lockheed Martin Energy, LLC | 147 |
2 |
| Studiengesellschaft Kohle gGmbH | 73 |
2 |
| BASF SE | 21136 |
1 |
| Siemens AG | 24240 |
1 |
| Sumitomo Electric Industries, Ltd. | 16061 |
1 |
| Robert Bosch GmbH | 43526 |
1 |
| Denso Corporation | 25153 |
1 |
| Nissan Motor Co., Ltd. | 12743 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33438 |
1 |
| Other owners | 37 |