- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 1/10 - Electrolytic production of inorganic compounds or non-metals of hydrogen or oxygen by electrolysis of water in diaphragm cells
Patent holdings for IPC class C25B 1/10
Total number of patents in this class: 494
10-year publication summary
|
65
|
93
|
100
|
79
|
65
|
31
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12502 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2686 |
13 |
| de Nora Permelec Ltd | 159 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
12 |
| Siemens AG | 24386 |
11 |
| Honda Motor Co., Ltd. | 25499 |
9 |
| Nihon Trim Co., Ltd. | 115 |
9 |
| Nuvera Fuel Cells, LLC | 108 |
8 |
| Dioxide Materials, Inc. | 48 |
7 |
| Sumitomo Electric Industries, Ltd. | 15609 |
6 |
| FUJIFILM Corporation | 29586 |
6 |
| GTA, Inc. | 7 |
6 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 59 |
6 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6272 |
6 |
| 3m Innovative Properties Company | 17781 |
5 |
| Robert Bosch GmbH | 42824 |
5 |
| Kyocera Corporation | 13930 |
4 |
| California Institute of Technology | 3986 |
4 |
| Industrie de Nora S.p.A. | 274 |
4 |
| Other owners | 327 |