- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/23 - Oxidation
Patent holdings for IPC class C01B 32/23
Total number of patents in this class: 220
10-year publication summary
|
32
|
33
|
33
|
25
|
20
|
12
|
11
|
16
|
18
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2517 |
24 |
| Semiconductor Energy Laboratory Co., Ltd. | 11649 |
18 |
| The Regents of the University of California | 20502 |
9 |
| Global Graphene Group, Inc. | 248 |
9 |
| Korea Electrotechnology Research Institute | 478 |
6 |
| King Fahd University of Petroleum & Minerals | 195 |
5 |
| Saudi Arabian Oil Company | 13937 |
5 |
| Asbury Graphite of North Carolina, Inc. | 21 |
5 |
| Nippon Shokubai Co., Ltd. | 1520 |
4 |
| Samsung Electronics Co., Ltd. | 152914 |
3 |
| Imerys Graphite & Carbon Switzerland Ltd. | 29 |
3 |
| University of Maryland, College Park | 1063 |
3 |
| Nouveau Monde Graphite Inc. | 14 |
3 |
| Nanoxplore Inc. | 59 |
3 |
| Verdicio Solutions A.I.E. | 20 |
3 |
| Centre National de La Recherche Scientifique | 10856 |
2 |
| Samsung Electro-mechanics Co., Ltd. | 5803 |
2 |
| Korea Institute of Science and Technology | 2195 |
2 |
| Korea Advanced Institute of Science and Technology | 4543 |
2 |
| Dongjin Semichem Co., Ltd. | 495 |
2 |
| Other owners | 107 |