- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0271 - Sealing or supporting means around electrodes, matrices or membranes
Patent holdings for IPC class H01M 8/0271
Total number of patents in this class: 506
10-year publication summary
35
|
68
|
85
|
81
|
72
|
28
|
37
|
34
|
34
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NOK Corporation | 2108 |
43 |
Nissan Motor Co., Ltd. | 12249 |
31 |
Honda Motor Co., Ltd. | 24537 |
23 |
Robert Bosch GmbH | 40953 |
22 |
Sumitomo Electric Industries, Ltd. | 14131 |
15 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
15 |
Reinz-Dichtungs-GmbH | 245 |
15 |
Toyota Motor Corporation | 28582 |
13 |
Hyundai Motor Company | 19021 |
13 |
NOF Corporation | 194 |
12 |
Threebond Co., Ltd. | 108 |
11 |
Audi AG | 7153 |
10 |
Intelligent Energy Limited | 464 |
10 |
Kyocera Corporation | 12735 |
9 |
GM Global Technology Operations LLC | 13620 |
8 |
Three Bond Co., Ltd. | 209 |
7 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
7 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
NGK Spark Plug Co., Ltd. | 935 |
6 |
Powercell Sweden AB | 90 |
6 |
Other owners | 224 |