- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/194 - After-treatment
Patent holdings for IPC class C01B 32/194
Total number of patents in this class: 1054
10-year publication summary
|
32
|
69
|
118
|
146
|
154
|
124
|
114
|
109
|
77
|
53
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Global Graphene Group, Inc. | 247 |
30 |
| ArcelorMittal | 2289 |
22 |
| Centre National de La Recherche Scientifique | 10432 |
14 |
| LG Chem, Ltd. | 17638 |
12 |
| Lyten, Inc. | 316 |
12 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
11 |
| Applied Graphene Materials UK Limited | 28 |
11 |
| Toray Industries, Inc. | 6945 |
10 |
| Northwestern University | 3394 |
10 |
| Saudi Arabian Oil Company | 13185 |
10 |
| Quantum Elements Development, Inc. | 19 |
10 |
| Samsung Electronics Co., Ltd. | 146346 |
9 |
| PPG Industries Ohio, Inc. | 3453 |
9 |
| Lawrence Livermore National Security, LLC | 1940 |
9 |
| Evonik Operations GmbH | 4110 |
9 |
| Corning Incorporated | 10263 |
8 |
| Osaka University | 3374 |
8 |
| Zhejiang University | 3154 |
8 |
| Seoul National University R&db Foundation | 3603 |
8 |
| The Regents of the University of California | 19929 |
7 |
| Other owners | 827 |