- 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: 985
10-year publication summary
|
76
|
43
|
43
|
42
|
33
|
25
|
36
|
31
|
20
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7011 |
68 |
| Nitto Denko Corporation | 8410 |
54 |
| Kubota Corporation | 4149 |
20 |
| FUJIFILM Corporation | 30034 |
15 |
| NGK Insulators, Ltd. | 5205 |
15 |
| Uop LLC | 4273 |
13 |
| Sumitomo Chemical Company, Limited | 9053 |
12 |
| Mitsubishi Rayon Co., Ltd. | 881 |
12 |
| NOK Corporation | 2263 |
12 |
| Meidensha Corporation | 907 |
10 |
| LG Chem, Ltd. | 17737 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8961 |
9 |
| EMD Millipore Corporation | 640 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2742 |
9 |
| DIC Corporation | 3890 |
9 |
| Kolon Industries, Inc. | 1737 |
9 |
| Sumitomo Electric Industries, Ltd. | 15967 |
8 |
| Asahi Kasei Chemicals Corporation | 593 |
8 |
| Fresenius Medical Care Deutschland GmbH | 2212 |
8 |
| Evoqua Water Technologies LLC | 926 |
7 |
| Other owners | 669 |