- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 9/02 - Crystallisation from solutions
Patent holdings for IPC class B01D 9/02
Total number of patents in this class: 420
10-year publication summary
|
12
|
11
|
13
|
22
|
22
|
24
|
43
|
17
|
32
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tsukishima Kikai Co., Ltd. | 112 |
17 |
| Nippon Shokubai Co., Ltd. | 1504 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
9 |
| NGK Insulators, Ltd. | 4995 |
8 |
| M. Technique Co., Ltd. | 248 |
7 |
| Meiji Co., Ltd. | 728 |
6 |
| Jiangsu Jia Tai Evaporation Equipment Co., Ltd. | 8 |
6 |
| Idemitsu Kosan Co., Ltd. | 4222 |
4 |
| Canopy Growth Corporation | 221 |
4 |
| JX Nippon Mining & Metals Corporation | 1487 |
4 |
| Saltworks Technologies Inc. | 95 |
4 |
| The University of British Columbia | 1504 |
4 |
| Xi'an Westpeace Fire Technology Co., Ltd | 10 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
3 |
| Mitsubishi Chemical Corporation | 4535 |
3 |
| BRANDEIS University | 333 |
3 |
| Dowa Metals & Mining Co., Ltd. | 42 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1244 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1213 |
3 |
| Intercontinental Potash Corp. (USA) | 4 |
3 |
| Other owners | 306 |