- All sections
- C - Chemistrymetallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metalsapparatus therefor
- C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
Patent holdings for IPC class C25C 3/28
Total number of patents in this class: 81
10-year publication summary
|
6
|
2
|
5
|
5
|
6
|
5
|
8
|
7
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toho Titanium Co., Ltd. | 254 |
12 |
| Metalysis Limited | 47 |
10 |
| University of Science and Technology Beijing | 282 |
5 |
| Universal Achemetal Titanium, LLC | 9 |
5 |
| Chinuka Limited | 5 |
4 |
| Sumitomo Electric Industries, Ltd. | 15511 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10917 |
2 |
| Central South University | 440 |
2 |
| Kyoto University | 2802 |
2 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 71 |
2 |
| Zhengzhou University | 131 |
2 |
| Orano Med | 53 |
2 |
| Norsk Titanium Metals AS | 2 |
2 |
| Chengdu Advanced Metal Material Industrial Technology Research Institute Co., Ltd. | 4 |
2 |
| Zhejiang Haihong Holding Group Co., Ltd. | 6 |
2 |
| Phoenix Tailings, Inc. | 30 |
2 |
| Massachusetts Institute of Technology | 10057 |
1 |
| Battelle Energy Alliance, LLC | 586 |
1 |
| Beijing Institute of Technology | 373 |
1 |
| Elkem AS | 61 |
1 |
| Other owners | 19 |