- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 9/00 - Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
Patent holdings for IPC class C25B 9/00
Total number of patents in this class: 1816
10-year publication summary
112
|
132
|
114
|
156
|
103
|
91
|
126
|
152
|
146
|
53
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
89 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
55 |
Asahi Kasei Kabushiki Kaisha | 2429 |
43 |
de Nora Permelec Ltd | 152 |
34 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
22 |
Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 52 |
22 |
Panasonic Corporation | 20786 |
21 |
Hitachi, Ltd. | 16452 |
21 |
FUJIFILM Corporation | 27102 |
21 |
Applied Materials, Inc. | 16587 |
20 |
Tokuyama Corporation | 1248 |
20 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
19 |
Central Glass Company, Limited | 1244 |
19 |
ENEOS Corporation | 611 |
19 |
Honda Motor Co., Ltd. | 24537 |
18 |
Nihon Trim Co., Ltd. | 108 |
17 |
Sumitomo Electric Industries, Ltd. | 14131 |
16 |
Nippon Telegraph and Telephone Corporation | 14195 |
16 |
The University of Tokyo | 3903 |
16 |
Kyocera Corporation | 12735 |
15 |
Other owners | 1293 |