- All sections
- C - Chemistry; metallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metals; apparatus 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: 83
10-year publication summary
|
2
|
6
|
2
|
5
|
5
|
6
|
5
|
8
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toho Titanium Co., Ltd. | 249 |
13 |
| Metalysis Limited | 49 |
10 |
| University of Science and Technology Beijing | 245 |
5 |
| Universal Achemetal Titanium, LLC | 8 |
4 |
| Chinuka Limited | 3 |
3 |
| Sumitomo Titanium Corporation | 14 |
3 |
| Sumitomo Electric Industries, Ltd. | 14131 |
2 |
| Kyoto University | 2732 |
2 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 45 |
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 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Battelle Energy Alliance, LLC | 569 |
1 |
| Beijing Institute of Technology | 337 |
1 |
| BHP Billiton Innovation Pty Ltd. | 29 |
1 |
| British Titanium plc | 1 |
1 |
| Cambridge Enterprise Limited | 1096 |
1 |
| Central South University | 364 |
1 |
| Other owners | 25 |