- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
Patent holdings for IPC class C25B 9/00
Total number of patents in this class: 2454
10-year publication summary
|
114
|
156
|
103
|
92
|
128
|
156
|
156
|
222
|
256
|
177
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
116 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
64 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
58 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6178 |
56 |
| NGK Insulators, Ltd. | 5236 |
47 |
| Hitachi, Ltd. | 16094 |
46 |
| Mitsubishi Power, Ltd. | 1833 |
40 |
| Kyocera Corporation | 14359 |
39 |
| FUJIFILM Corporation | 30514 |
38 |
| de Nora Permelec Ltd | 164 |
37 |
| Sumitomo Electric Industries, Ltd. | 16331 |
33 |
| Tokuyama Corporation | 1477 |
32 |
| Agc, Inc. | 5524 |
29 |
| ENEOS Corporation | 693 |
29 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
25 |
| Toray Industries, Inc. | 7113 |
23 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 53 |
22 |
| The University of Tokyo | 4361 |
22 |
| Panasonic Corporation | 19019 |
21 |
| Honda Motor Co., Ltd. | 26025 |
20 |
| Other owners | 1657 |