- 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: 2243
10-year publication summary
|
130
|
113
|
153
|
102
|
82
|
125
|
148
|
148
|
216
|
237
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
112 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6234 |
55 |
| Mitsubishi Heavy Industries, Ltd. | 8875 |
49 |
| Asahi Kasei Kabushiki Kaisha | 2719 |
49 |
| NGK Insulators, Ltd. | 5144 |
45 |
| Hitachi, Ltd. | 15692 |
39 |
| de Nora Permelec Ltd | 159 |
37 |
| Kyocera Corporation | 14083 |
34 |
| Mitsubishi Power, Ltd. | 1810 |
34 |
| FUJIFILM Corporation | 29817 |
32 |
| Tokuyama Corporation | 1430 |
30 |
| ENEOS Corporation | 643 |
28 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
25 |
| Sumitomo Electric Industries, Ltd. | 15780 |
23 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 59 |
22 |
| Agc, Inc. | 5018 |
22 |
| Panasonic Corporation | 19966 |
21 |
| Applied Materials, Inc. | 19248 |
20 |
| Nippon Telegraph and Telephone Corporation | 16320 |
20 |
| The University of Tokyo | 4249 |
20 |
| Other owners | 1526 |