- 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 cells; Manufacture 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: 81
10-year publication summary
|
10
|
9
|
6
|
3
|
11
|
9
|
3
|
3
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 9795 |
12 |
| Energizer Brands, LLC | 835 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| The Regents of the University of California | 18943 |
3 |
| Toyota Motor Corporation | 28582 |
3 |
| Form Energy, Inc. | 156 |
3 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Covestro Deutschland AG | 2429 |
2 |
| PolyPlus Battery Company | 100 |
2 |
| University Court of The University of ST Andrews | 305 |
2 |
| Lockheed Martin Energy, LLC | 136 |
2 |
| Studiengesellschaft Kohle gGmbH | 45 |
2 |
| BASF SE | 19740 |
1 |
| Siemens AG | 24990 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Denso Corporation | 23338 |
1 |
| Nissan Motor Co., Ltd. | 12249 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| The Trustees of the University of Pennsylvania | 4122 |
1 |
| Nippon Telegraph and Telephone Corporation | 14195 |
1 |
| Other owners | 32 |