- 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: 477
10-year publication summary
|
48
|
79
|
67
|
46
|
35
|
30
|
25
|
34
|
32
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4636 |
14 |
| Imerys Graphite & Carbon Switzerland Ltd. | 29 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 63 |
11 |
| Global Graphene Group, Inc. | 248 |
8 |
| Resonac Corporation | 3128 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
7 |
| Ningde Amperex Technology Limited | 2446 |
7 |
| Pirelli Tyre S.p.A. | 1926 |
7 |
| Politecnico di Milano | 887 |
7 |
| NEC Corporation | 36475 |
6 |
| JFE Chemical Corporation | 122 |
6 |
| NeoGraf Solutions, LLC | 87 |
6 |
| BTR New Material Group Co., Ltd. | 255 |
6 |
| Ace Green Recycling, Inc. | 23 |
6 |
| Baker Hughes Incorporated | 5094 |
5 |
| Samsung SDI Co., Ltd. | 9414 |
5 |
| Graphene Platform Corporation | 24 |
5 |
| Lyten, Inc. | 335 |
5 |
| SKC Co., Ltd. | 324 |
5 |
| Showa Denko K.K. | 2127 |
4 |
| Other owners | 338 |