- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 15/029 - Concentration
Patent holdings for IPC class C25B 15/029
Total number of patents in this class: 190
10-year publication summary
|
0
|
0
|
1
|
2
|
12
|
15
|
30
|
47
|
34
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12732 |
8 |
| Asahi Kasei Kabushiki Kaisha | 2871 |
7 |
| Shaheen Innovations Holding Limited | 170 |
6 |
| Honda Motor Co., Ltd. | 26594 |
5 |
| Linde GmbH | 1382 |
5 |
| ENEOS Corporation | 720 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
4 |
| Robert Bosch GmbH | 44363 |
4 |
| Bloom Energy Corporation | 703 |
4 |
| de Nora Permelec Ltd | 165 |
4 |
| Evoqua Water Technologies LLC | 928 |
4 |
| The Governing Council of The University of Toronto, | 1551 |
4 |
| National University Corporation Yokohama National University | 346 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1139 |
4 |
| Totalenergies Onetech | 1549 |
4 |
| Dioxycle | 87 |
4 |
| FuelCell Energy, Inc. | 325 |
3 |
| Acrolabs Inc. | 10 |
3 |
| Mitsubishi Power, Ltd. | 1838 |
3 |
| Sungrow Hydrogen Sci.&Tech. Co., Ltd. | 19 |
3 |
| Other owners | 102 |