- 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: 249
10-year publication summary
|
19
|
20
|
27
|
23
|
18
|
13
|
28
|
11
|
12
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4945 |
25 |
| Duracell U.S. Operations, Inc. | 418 |
18 |
| TDK Corporation | 6713 |
13 |
| Kabushiki Kaisha Toyota Jidoshokki | 1750 |
9 |
| Sanyo Electric Co., Ltd. | 3695 |
8 |
| Kawasaki Motors, Ltd. | 1240 |
8 |
| The Regents of the University of California | 19887 |
7 |
| Toyota Motor Corporation | 31903 |
7 |
| GS Yuasa International Ltd. | 2028 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
6 |
| Nilar International AB | 34 |
5 |
| Sumitomo Metal Mining Co., Ltd. | 1777 |
5 |
| BASF Corporation | 1726 |
4 |
| The Gillette Company | 499 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
4 |
| Guangdong Powerlink Energy Co., Ltd | 7 |
4 |
| Primearth EV Energy Co., Ltd. | 68 |
4 |
| Technische Universiteit Delft | 725 |
4 |
| Varta Microbattery GmbH | 304 |
4 |
| Zeon Corporation | 4080 |
4 |
| Other owners | 99 |