- 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: 136
10-year publication summary
|
1
|
1
|
0
|
3
|
9
|
13
|
23
|
30
|
25
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 15911 |
13 |
| The Regents of the University of Michigan | 5051 |
9 |
| Ntt, Inc. | 4715 |
9 |
| King Fahd University of Petroleum and Minerals | 1601 |
8 |
| Centre National de La Recherche Scientifique | 11122 |
4 |
| The Regents of the University of California | 20924 |
3 |
| Hitachi, Ltd. | 16221 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11136 |
3 |
| Hunt Energy Enterprises, LLC | 35 |
3 |
| Saudi Arabian Oil Company | 14390 |
3 |
| Unist(ulsan National Institute of Science and Technology) | 527 |
3 |
| Epinovatech AB | 75 |
3 |
| Panasonic Holdings Corporation | 1779 |
3 |
| Green Independence S.r.l. | 5 |
3 |
| The Yellow SIC Holding GmbH | 23 |
3 |
| Mitsubishi Chemical Corporation | 4757 |
2 |
| Korea Advanced Institute of Science and Technology | 4715 |
2 |
| City University of Hong Kong | 967 |
2 |
| Daicel Corporation | 2575 |
2 |
| Furuya Metal Co., Ltd. | 114 |
2 |
| Other owners | 53 |