- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/50 - Cells or assemblies of cells comprising photoelectrodesAssemblies of constructional parts thereof
Patent holdings for IPC class C25B 9/50
Total number of patents in this class: 95
10-year publication summary
|
0
|
1
|
1
|
0
|
3
|
9
|
13
|
22
|
29
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 17207 |
14 |
| The Regents of the University of Michigan | 4676 |
5 |
| King Fahd University of Petroleum and Minerals | 1149 |
5 |
| The Regents of the University of California | 19839 |
3 |
| Centre National de La Recherche Scientifique | 10350 |
3 |
| Hitachi, Ltd. | 15449 |
3 |
| Saudi Arabian Oil Company | 12891 |
3 |
| Unist(ulsan National Institute of Science and Technology) | 456 |
3 |
| Green Independence S.r.l. | 4 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10879 |
2 |
| Mitsubishi Chemical Corporation | 4492 |
2 |
| Furuya Metal Co., Ltd. | 114 |
2 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 58 |
2 |
| Nanoptek Corporation | 9 |
2 |
| Shinshu University | 466 |
2 |
| Mitsubishi Electric Corporation | 45860 |
1 |
| Kaneka Corporation | 4484 |
1 |
| Korea Advanced Institute of Science and Technology | 4346 |
1 |
| City University of Hong Kong | 830 |
1 |
| Daicel Corporation | 2332 |
1 |
| Other owners | 36 |