- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 47/12 - Ion-exchange processes in generalApparatus 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: 402
10-year publication summary
|
37
|
36
|
19
|
22
|
28
|
23
|
23
|
27
|
29
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30192 |
42 |
| Agc, Inc. | 5253 |
17 |
| Astom Corporation | 37 |
16 |
| FUJIFILM Manufacturing Europe B.V. | 253 |
15 |
| Asahi Kasei Kabushiki Kaisha | 2766 |
12 |
| Saltworks Technologies Inc. | 95 |
11 |
| BL Technologies, Inc. | 838 |
10 |
| Asahi Glass Company, Limited | 2687 |
9 |
| Entegris, Inc. | 1966 |
9 |
| Kurita Water Industries Ltd. | 1252 |
8 |
| Evoqua Water Technologies LLC | 925 |
7 |
| USA Fortescue IP, Inc. | 45 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33375 |
5 |
| AGC Engineering Co., Ltd. | 26 |
5 |
| Compact Membrane Systems, Inc. | 55 |
5 |
| Rensselaer Polytechnic Institute | 847 |
5 |
| Tokuyama Corporation | 1449 |
5 |
| LG Chem, Ltd. | 17810 |
4 |
| Asahi Kasei Chemicals Corporation | 579 |
4 |
| Kabushiki Kaisha F.C.C. | 386 |
4 |
| Other owners | 203 |