- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 63/00 - Apparatus in general for separation processes using semi-permeable membranes
Patent holdings for IPC class B01D 63/00
Total number of patents in this class: 999
10-year publication summary
|
76
|
79
|
46
|
43
|
46
|
36
|
26
|
36
|
32
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6867 |
66 |
| Nitto Denko Corporation | 8169 |
55 |
| Kubota Corporation | 3709 |
21 |
| NGK Insulators, Ltd. | 4900 |
16 |
| FUJIFILM Corporation | 29188 |
15 |
| Uop LLC | 4208 |
14 |
| Mitsubishi Rayon Co., Ltd. | 920 |
12 |
| NOK Corporation | 2211 |
12 |
| EMD Millipore Corporation | 646 |
11 |
| Sumitomo Chemical Company, Limited | 8998 |
11 |
| Meidensha Corporation | 872 |
10 |
| LG Chem, Ltd. | 17538 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2633 |
9 |
| Kolon Industries, Inc. | 1634 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8616 |
8 |
| Sumitomo Electric Industries, Ltd. | 15292 |
8 |
| Asahi Kasei Chemicals Corporation | 686 |
8 |
| Fresenius Medical Care Deutschland GmbH | 2141 |
8 |
| Evoqua Water Technologies LLC | 913 |
7 |
| Tosoh Corporation | 1259 |
7 |
| Other owners | 683 |