- All sections
- B - Performing operations; transporting
- 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: 1037
10-year publication summary
|
90
|
76
|
79
|
45
|
43
|
46
|
36
|
25
|
35
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
63 |
| Nitto Denko Corporation | 7879 |
54 |
| Kubota Corporation | 3054 |
21 |
| NGK Insulators, Ltd. | 4589 |
16 |
| FUJIFILM Corporation | 27102 |
15 |
| Uop LLC | 4083 |
15 |
| Sumitomo Chemical Company, Limited | 8808 |
12 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
12 |
| EMD Millipore Corporation | 657 |
11 |
| NOK Corporation | 2108 |
11 |
| Meidensha Corporation | 823 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
9 |
| Evoqua Water Technologies LLC | 904 |
9 |
| Fresenius Medical Care Deutschland GmbH | 2100 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
8 |
| Asahi Kasei Chemicals Corporation | 809 |
8 |
| Kolon Industries, Inc. | 1506 |
8 |
| Pall Corporation | 392 |
8 |
| The Regents of the University of California | 18943 |
7 |
| Other owners | 722 |