- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 31/12 - Preparation by using non-gaseous activating agents
Patent holdings for IPC class C01B 31/12
Total number of patents in this class: 116
10-year publication summary
|
20
|
10
|
0
|
0
|
1
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10259 |
22 |
| JX Nippon Oil & Energy Corporation | 999 |
7 |
| Kansai Coke and Chemicals Co., Ltd. | 29 |
5 |
| SGL Carbon SE | 388 |
4 |
| MC Evolve Technologies Corporation | 8 |
3 |
| Osaka Gas Chemicals Co., Ltd. | 136 |
3 |
| UT-Battelle, LLC | 1455 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
2 |
| CarboTech AC GmbH | 11 |
2 |
| The Curators of the University of Missouri | 1041 |
2 |
| Nippon Oil Corporation | 285 |
2 |
| Sulvaris Inc. | 54 |
2 |
| Tanaka Kikinzoku Kogyo K.K. | 583 |
2 |
| University of Kentucky Research Foundation | 688 |
2 |
| Power Carbon Technology Co., Ltd. | 7 |
2 |
| Centre National de La Recherche Scientifique | 10418 |
1 |
| GM Global Technology Operations LLC | 15042 |
1 |
| Hyundai Motor Company | 21987 |
1 |
| Sumitomo Chemical Company, Limited | 9046 |
1 |
| Omron Corporation | 7261 |
1 |
| Other owners | 48 |