- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 11/081 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the element being a noble metal
Patent holdings for IPC class C25B 11/081
Total number of patents in this class: 502
10-year publication summary
|
0
|
1
|
7
|
9
|
24
|
45
|
95
|
100
|
133
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Hydrogen Technologies Limited | 129 |
14 |
| Toray Industries, Inc. | 7016 |
11 |
| The Regents of the University of California | 20410 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
10 |
| Siemens Energy Global GmbH & Co. KG | 3173 |
9 |
| Totalenergies Onetech | 1478 |
9 |
| Uop LLC | 4275 |
8 |
| Asahi Kasei Kabushiki Kaisha | 2745 |
8 |
| The Governing Council of The University of Toronto, | 1525 |
8 |
| Nisshinbo Holdings Inc. | 375 |
8 |
| Greenerity GmbH | 51 |
7 |
| Toshiba Corporation | 12546 |
6 |
| Korea Institute of Science and Technology | 2178 |
6 |
| Industrie de Nora S.p.A. | 277 |
6 |
| Tosoh Corporation | 1355 |
6 |
| Battelle Energy Alliance, LLC | 596 |
5 |
| Screen Holdings Co., Ltd. | 3024 |
5 |
| Tokyo Gas Co., Ltd. | 93 |
5 |
| Toshiba Energy Systems & Solutions Corp. | 1124 |
5 |
| Evonik Operations GmbH | 4219 |
5 |
| Other owners | 351 |