- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 15/00 - Operating or servicing cells
Patent holdings for IPC class C25B 15/00
Total number of patents in this class: 508
10-year publication summary
|
15
|
30
|
23
|
18
|
23
|
30
|
35
|
51
|
50
|
56
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2719 |
18 |
| de Nora Permelec Ltd | 160 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
16 |
| Siemens Energy Global GmbH & Co. KG | 3090 |
15 |
| ENEOS Corporation | 643 |
10 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
7 |
| Robert Bosch GmbH | 43096 |
6 |
| Avantium Knowledge Centre B.V. | 196 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
5 |
| Tokuyama Corporation | 1436 |
5 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6233 |
5 |
| Schlumberger Technology Corporation | 11075 |
4 |
| Schlumberger Canada Limited | 7440 |
4 |
| Siemens AG | 24333 |
4 |
| Hitachi, Ltd. | 15712 |
4 |
| H-tec Systems GmbH | 16 |
4 |
| National University Corporation Yokohama National University | 340 |
4 |
| Repsol, S.A. | 500 |
4 |
| Services Petroliers Schlumberger | 5885 |
4 |
| Mitsubishi Power, Ltd. | 1809 |
4 |
| Other owners | 361 |