- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 47/12 - Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
Patent holdings for IPC class B01J 47/12
Total number of patents in this class: 346
10-year publication summary
|
37
|
46
|
39
|
40
|
19
|
26
|
30
|
28
|
22
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
41 |
| Agc, Inc. | 4029 |
17 |
| Astom Corporation | 31 |
14 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
12 |
| Saltworks Technologies Inc. | 87 |
11 |
| BL Technologies, Inc. | 831 |
10 |
| Asahi Glass Company, Limited | 2985 |
9 |
| Entegris, Inc. | 1736 |
8 |
| Kurita Water Industries Ltd. | 1110 |
8 |
| Evoqua Water Technologies LLC | 904 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
| Compact Membrane Systems, Inc. | 43 |
5 |
| Kabushiki Kaisha F.C.C. | 330 |
5 |
| LG Chem, Ltd. | 17205 |
4 |
| Asahi Kasei Chemicals Corporation | 809 |
4 |
| Asahi Kasei Medical Co., Ltd. | 308 |
4 |
| Rensselaer Polytechnic Institute | 776 |
4 |
| Takahata Precision Co., Ltd. | 38 |
4 |
| FFI Ionix IP, Inc. | 25 |
4 |
| Other owners | 156 |