- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0213 - Gas-impermeable carbon-containing materials
Patent holdings for IPC class H01M 8/0213
Total number of patents in this class: 304
10-year publication summary
|
19
|
25
|
29
|
26
|
27
|
37
|
30
|
35
|
41
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nisshinbo Chemical Inc. | 148 |
22 |
| Robert Bosch GmbH | 44209 |
16 |
| Toyota Motor Corporation | 35857 |
12 |
| Schunk Kohlenstofftechnik GmbH | 140 |
12 |
| cellcentric GmbH & Co. KG | 201 |
9 |
| Audi AG | 7564 |
8 |
| Blue World Technologies Holding ApS | 49 |
8 |
| Honda Motor Co., Ltd. | 26064 |
7 |
| Schaeffler Technologies AG & Co. KG | 11044 |
7 |
| Shin-Etsu Polymer Co., Ltd. | 453 |
6 |
| DONGWOO HST Co., Ltd. | 9 |
5 |
| Arisawa Mfg. Co., Ltd. | 131 |
4 |
| Matthews International Corporation | 321 |
4 |
| Mitsubishi Pencil Company, Limited | 823 |
4 |
| Hydromecanique et Frottement | 127 |
4 |
| Hyaxiom, Inc. | 125 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11126 |
3 |
| Futamura Kagaku Kabushiki Kaisha | 93 |
3 |
| Hyundai Steel Company | 537 |
3 |
| IHI Ionbond AG | 46 |
3 |
| Other owners | 160 |