- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 13/08 - Diaphragms; Spacing elements characterised by the material based on organic materials
Patent holdings for IPC class C25B 13/08
Total number of patents in this class: 611
10-year publication summary
|
21
|
47
|
52
|
36
|
60
|
58
|
44
|
86
|
95
|
45
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agc, Inc. | 4029 |
46 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
34 |
| Toray Industries, Inc. | 6652 |
20 |
| Twelve Benefit Corporation | 111 |
19 |
| Dioxide Materials, Inc. | 46 |
18 |
| Asahi Glass Company, Limited | 2985 |
15 |
| 3m Innovative Properties Company | 18406 |
14 |
| Agfa-Gevaert | 282 |
14 |
| W. L. Gore & Associates, Inc. | 2600 |
11 |
| Uop LLC | 4083 |
10 |
| de Nora Permelec Ltd | 152 |
10 |
| Rensselaer Polytechnic Institute | 776 |
9 |
| Industrie de Nora S.p.A. | 274 |
8 |
| The Regents of the University of California | 18943 |
7 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1115 |
7 |
| Opus 12 Incorporated | 19 |
7 |
| Totalenergies Onetech | 536 |
7 |
| Johnson Matthey Hydrogen Technologies Limited | 83 |
7 |
| Nitto Denko Corporation | 7879 |
6 |
| Korea Institute of Science and Technology | 2022 |
6 |
| Other owners | 336 |