- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 49/12 - Sulfides
Patent holdings for IPC class C01G 49/12
Total number of patents in this class: 71
10-year publication summary
|
5
|
8
|
6
|
8
|
5
|
5
|
5
|
3
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Rubber Industries, Ltd. | 4723 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
4 |
| University of Maryland, College Park | 1085 |
3 |
| The Regents of the University of California | 20720 |
2 |
| Eveready Battery Company, Inc. | 178 |
2 |
| Cornell University | 3421 |
2 |
| IFP Energies Nouvelles | 3095 |
2 |
| Kemira Oyj | 1258 |
2 |
| Redox Technology Group, LLC | 6 |
2 |
| Saudi Arabian Oil Company | 14207 |
2 |
| William Marsh Rice University | 1070 |
2 |
| Halliburton Energy Services, Inc. | 21320 |
1 |
| LG Chem, Ltd. | 17921 |
1 |
| Toyota Motor Corporation | 35680 |
1 |
| Sumitomo Chemical Company, Limited | 8996 |
1 |
| California Institute of Technology | 4043 |
1 |
| Uop LLC | 4393 |
1 |
| Chevron U.S.A. Inc. | 4134 |
1 |
| Duracell U.S. Operations, Inc. | 391 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2930 |
1 |
| Other owners | 35 |