- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/32 - Nickel oxide or hydroxide electrodes
Patent holdings for IPC class H01M 4/32
Total number of patents in this class: 245
10-year publication summary
|
19
|
20
|
27
|
23
|
18
|
13
|
28
|
11
|
12
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4794 |
25 |
| Duracell U.S. Operations, Inc. | 424 |
18 |
| TDK Corporation | 6543 |
13 |
| Kabushiki Kaisha Toyota Jidoshokki | 1730 |
9 |
| Sanyo Electric Co., Ltd. | 3789 |
8 |
| Kawasaki Motors, Ltd. | 1112 |
8 |
| The Regents of the University of California | 19544 |
7 |
| GS Yuasa International Ltd. | 1967 |
7 |
| Toyota Motor Corporation | 30499 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 29800 |
6 |
| Nilar International AB | 36 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1731 |
5 |
| BASF Corporation | 1762 |
4 |
| The Gillette Company | 529 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3738 |
4 |
| Guangdong Powerlink Energy Co., Ltd | 7 |
4 |
| Primearth EV Energy Co., Ltd. | 179 |
4 |
| Technische Universiteit Delft | 692 |
4 |
| Varta Microbattery GmbH | 307 |
4 |
| Zeon Corporation | 4002 |
4 |
| Other owners | 96 |