- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/20 - Graphite
Patent holdings for IPC class C01B 32/20
Total number of patents in this class: 499
10-year publication summary
|
53
|
80
|
69
|
47
|
42
|
32
|
36
|
42
|
33
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4829 |
14 |
| Imerys Graphite & Carbon Switzerland Ltd. | 30 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 68 |
11 |
| Resonac Corporation | 3761 |
9 |
| Global Graphene Group, Inc. | 249 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
7 |
| Ningde Amperex Technology Limited | 2882 |
7 |
| Pirelli Tyre S.p.A. | 1968 |
7 |
| Politecnico di Milano | 902 |
7 |
| NEC Corporation | 37532 |
6 |
| JFE Chemical Corporation | 124 |
6 |
| NeoGraf Solutions, LLC | 85 |
6 |
| BTR New Material Group Co., Ltd. | 296 |
6 |
| Ace Green Recycling, Inc. | 23 |
6 |
| Baker Hughes Incorporated | 4865 |
5 |
| Samsung SDI Co., Ltd. | 10988 |
5 |
| Graphene Platform Corporation | 24 |
5 |
| Lyten, Inc. | 365 |
5 |
| SKC Co., Ltd. | 327 |
5 |
| Showa Denko K.K. | 2050 |
4 |
| Other owners | 359 |