- 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: 255
10-year publication summary
18
|
19
|
20
|
27
|
23
|
18
|
13
|
28
|
9
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Insulators, Ltd. | 4589 |
24 |
Duracell U.S. Operations, Inc. | 432 |
19 |
TDK Corporation | 6306 |
12 |
Kabushiki Kaisha Toyota Jidoshokki | 1699 |
9 |
Sanyo Electric Co., Ltd. | 3926 |
8 |
The Regents of the University of California | 18943 |
7 |
GS Yuasa International Ltd. | 1834 |
7 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
7 |
Kawasaki Motors, Ltd. | 1040 |
7 |
Toyota Motor Corporation | 28582 |
5 |
The Gillette Company | 577 |
5 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
Nilar International AB | 38 |
5 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
5 |
Technische Universiteit Delft | 646 |
5 |
BASF Corporation | 2039 |
4 |
National Institute of Advanced Industrial Science and Technology | 3677 |
4 |
Guangdong Powerlink Energy Co., Ltd | 7 |
4 |
Primearth EV Energy Co., Ltd. | 150 |
4 |
Varta Microbattery GmbH | 289 |
4 |
Other owners | 105 |