- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/42 - Alloys based on zinc
Patent holdings for IPC class H01M 4/42
Total number of patents in this class: 536
10-year publication summary
|
47
|
37
|
42
|
36
|
44
|
46
|
41
|
44
|
34
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Energizer Brands, LLC | 814 |
36 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
23 |
| NGK Insulators, Ltd. | 4965 |
23 |
| Duracell U.S. Operations, Inc. | 416 |
20 |
| Panasonic Corporation | 20093 |
17 |
| Nissan Motor Co., Ltd. | 12511 |
11 |
| Varta Microbattery GmbH | 302 |
10 |
| Urban Electric Power Incorporated | 33 |
8 |
| Samsung SDI Co., Ltd. | 8344 |
7 |
| City University of Hong Kong | 849 |
7 |
| Salient Energy Inc. | 22 |
7 |
| Honeycomb Battery Company | 388 |
7 |
| Samsung Electronics Co., Ltd. | 146534 |
6 |
| International Business Machines Corporation | 61287 |
6 |
| Ionic Materials, Inc. | 59 |
6 |
| Mitsui Mining & Smelting Co., Ltd. | 1489 |
6 |
| LG Energy Solution, Ltd. | 15092 |
6 |
| TDK Corporation | 6750 |
5 |
| Nippon Telegraph and Telephone Corporation | 17349 |
5 |
| Zincfive Power, Inc. | 19 |
5 |
| Other owners | 315 |