- 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: 983
10-year publication summary
|
79
|
46
|
44
|
46
|
35
|
28
|
36
|
33
|
21
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7139 |
68 |
| Nitto Denko Corporation | 8558 |
51 |
| Kubota Corporation | 4409 |
20 |
| FUJIFILM Corporation | 30594 |
15 |
| NGK Insulators, Ltd. | 5200 |
14 |
| DIC Corporation | 3974 |
14 |
| Uop LLC | 4390 |
13 |
| Sumitomo Chemical Company, Limited | 8968 |
12 |
| Mitsubishi Rayon Co., Ltd. | 851 |
12 |
| NOK Corporation | 2307 |
12 |
| Meidensha Corporation | 934 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9168 |
9 |
| EMD Millipore Corporation | 633 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2840 |
9 |
| Kolon Industries, Inc. | 1850 |
9 |
| Sumitomo Electric Industries, Ltd. | 16448 |
7 |
| Evoqua Water Technologies LLC | 934 |
7 |
| Fresenius Medical Care Deutschland GmbH | 2238 |
7 |
| Tosoh Corporation | 1417 |
7 |
| The Regents of the University of California | 20815 |
6 |
| Other owners | 672 |