- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 69/10 - Supported membranesMembrane supports
Patent holdings for IPC class B01D 69/10
Total number of patents in this class: 2518
10-year publication summary
|
188
|
190
|
196
|
218
|
231
|
202
|
179
|
185
|
178
|
110
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6936 |
147 |
| NGK Insulators, Ltd. | 4955 |
144 |
| FUJIFILM Corporation | 29367 |
124 |
| Nitto Denko Corporation | 8231 |
120 |
| FUJIFILM Manufacturing Europe B.V. | 269 |
47 |
| LG Chem, Ltd. | 17632 |
42 |
| Sumitomo Chemical Company, Limited | 9046 |
33 |
| Asahi Kasei Kabushiki Kaisha | 2673 |
33 |
| Toray Advanced Materials Korea Inc. | 259 |
29 |
| Mitsubishi Chemical Corporation | 4507 |
27 |
| Korea University Research and Business Foundation | 2975 |
25 |
| Sumitomo Electric Industries, Ltd. | 15483 |
24 |
| National University of Singapore | 2449 |
24 |
| 3m Innovative Properties Company | 17833 |
22 |
| Amogreentech Co., Ltd. | 607 |
20 |
| FUJIFILM Imaging Colorants Limited | 216 |
19 |
| Ohio State Innovation Foundation | 2132 |
18 |
| Uop LLC | 4244 |
17 |
| Entegris, Inc. | 1868 |
17 |
| Sumitomo Electric Fine Polymer, Inc. | 201 |
17 |
| Other owners | 1569 |