- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 13/04 - Diaphragms; Spacing elements characterised by the material
Patent holdings for IPC class C25B 13/04
Total number of patents in this class: 330
10-year publication summary
21
|
44
|
32
|
23
|
27
|
33
|
29
|
21
|
42
|
12
|
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 |
12 |
3m Innovative Properties Company | 18406 |
9 |
Battelle Energy Alliance, LLC | 569 |
8 |
Agc, Inc. | 4029 |
8 |
Toray Industries, Inc. | 6652 |
7 |
Calera Corporation | 107 |
7 |
Sumitomo Electric Industries, Ltd. | 14131 |
6 |
Industrie de Nora S.p.A. | 274 |
6 |
Enlighten Innovations Inc. | 107 |
6 |
Idemitsu Kosan Co., Ltd. | 3995 |
5 |
Ceramatec, Inc. | 161 |
5 |
Kyocera Corporation | 12735 |
4 |
Massachusetts Institute of Technology | 9795 |
4 |
Fcet, Inc. | 9 |
4 |
Nippon Shokubai Co., Ltd. | 1487 |
4 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
Centre National de La Recherche Scientifique | 9632 |
3 |
Toshiba Corporation | 12017 |
3 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
Japan Science and Technology Agency | 1564 |
3 |
Other owners | 219 |