- 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: 2568
10-year publication summary
|
114
|
157
|
103
|
92
|
128
|
156
|
158
|
224
|
256
|
276
|
| 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. | 34776 |
117 |
| Mitsubishi Heavy Industries, Ltd. | 9295 |
67 |
| Asahi Kasei Kabushiki Kaisha | 2879 |
59 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6157 |
56 |
| Hitachi, Ltd. | 16272 |
48 |
| NGK Insulators, Ltd. | 5161 |
47 |
| FUJIFILM Corporation | 30873 |
44 |
| Mitsubishi Power, Ltd. | 1843 |
41 |
| Sumitomo Electric Industries, Ltd. | 16467 |
40 |
| Kyocera Corporation | 14546 |
40 |
| de Nora Permelec Ltd | 166 |
38 |
| Tokuyama Corporation | 1507 |
33 |
| ENEOS Corporation | 726 |
30 |
| Agc, Inc. | 5722 |
29 |
| Toray Industries, Inc. | 7167 |
26 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
25 |
| The University of Tokyo | 4416 |
23 |
| Honda Motor Co., Ltd. | 26719 |
22 |
| Idemitsu Kosan Co., Ltd. | 4291 |
22 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 53 |
22 |
| Other owners | 1739 |