- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 69/10 - Supported membranes; Membrane supports
Patent holdings for IPC class B01D 69/10
Total number of patents in this class: 2261
10-year publication summary
|
178
|
188
|
190
|
196
|
218
|
230
|
198
|
175
|
179
|
35
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4589 |
136 |
| Toray Industries, Inc. | 6652 |
136 |
| FUJIFILM Corporation | 27102 |
119 |
| Nitto Denko Corporation | 7879 |
116 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
44 |
| LG Chem, Ltd. | 17205 |
40 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
27 |
| Sumitomo Chemical Company, Limited | 8808 |
24 |
| Mitsubishi Chemical Corporation | 4313 |
24 |
| Toray Advanced Materials Korea Inc. | 222 |
23 |
| National University of Singapore | 2228 |
23 |
| 3m Innovative Properties Company | 18406 |
22 |
| Korea University Research and Business Foundation | 2561 |
22 |
| Sumitomo Electric Industries, Ltd. | 14131 |
20 |
| Amogreentech Co., Ltd. | 566 |
20 |
| Uop LLC | 4083 |
19 |
| FUJIFILM Imaging Colorants Limited | 233 |
19 |
| Dow Global Technologies LLC | 10147 |
17 |
| Ohio State Innovation Foundation | 1770 |
15 |
| Sumitomo Electric Fine Polymer, Inc. | 202 |
14 |
| Other owners | 1381 |