- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/44 - Fibrous material
Patent holdings for IPC class H01M 50/44
Total number of patents in this class: 398
10-year publication summary
|
1
|
3
|
11
|
12
|
45
|
59
|
81
|
79
|
72
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daramic, LLC | 207 |
22 |
| LG Energy Solution, Ltd. | 10813 |
18 |
| Celgard, LLC | 273 |
17 |
| Toshiba Corporation | 12017 |
9 |
| Energizer Brands, LLC | 835 |
9 |
| Johns Manville | 980 |
8 |
| Nippon Kodoshi Corporation | 78 |
8 |
| Samsung SDI Co., Ltd. | 6671 |
7 |
| Hollingsworth & Vose Company | 274 |
7 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
6 |
| Mitsubishi Paper Mills Limited | 246 |
6 |
| Entek Asia Inc | 15 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| LG Chem, Ltd. | 17205 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
| Cornell University | 3036 |
5 |
| GS Yuasa International Ltd. | 1834 |
5 |
| Maxell, Ltd. | 2533 |
5 |
| CPS Technology Holdings LLC | 652 |
5 |
| Apple Inc. | 50209 |
4 |
| Other owners | 236 |