- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 10/30 - Nickel accumulators
Patent holdings for IPC class H01M 10/30
Total number of patents in this class: 508
10-year publication summary
|
64
|
46
|
46
|
39
|
42
|
30
|
35
|
27
|
29
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5137 |
73 |
| TDK Corporation | 6887 |
24 |
| Kabushiki Kaisha Toyota Jidoshokki | 1786 |
22 |
| Toyota Motor Corporation | 33378 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
20 |
| GS Yuasa International Ltd. | 2095 |
14 |
| Encell Technology, Inc. | 50 |
13 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12680 |
11 |
| Kyocera Corporation | 14071 |
10 |
| Primearth EV Energy Co., Ltd. | 68 |
10 |
| Sanyo Electric Co., Ltd. | 3606 |
9 |
| Duracell U.S. Operations, Inc. | 407 |
9 |
| BASF Corporation | 1713 |
8 |
| Nilar International AB | 33 |
8 |
| Powergenix Systems, Inc. | 13 |
8 |
| Toyota Industries Corporation | 1151 |
7 |
| Varta Microbattery GmbH | 304 |
6 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3103 |
6 |
| Centre National de La Recherche Scientifique | 10666 |
5 |
| Panasonic Corporation | 19969 |
5 |
| Other owners | 219 |