- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 1/46 - Treatment of water, waste water, or sewage by electrochemical methods
Patent holdings for IPC class C02F 1/46
Total number of patents in this class: 1652
10-year publication summary
|
175
|
169
|
160
|
100
|
136
|
101
|
94
|
78
|
84
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nihon Trim Co., Ltd. | 112 |
52 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
43 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6269 |
29 |
| Evoqua Water Technologies LLC | 914 |
26 |
| Panasonic Corporation | 20166 |
24 |
| Sharp Kabushiki Kaisha | 18787 |
15 |
| Daikin Industries, Ltd. | 9971 |
14 |
| Robert Bosch GmbH | 42505 |
13 |
| Koninklijke Philips N.V. | 24610 |
12 |
| Mitsubishi Electric Corporation | 45860 |
12 |
| BL Technologies, Inc. | 832 |
12 |
| Morinaga Milk Industry Co., Ltd. | 356 |
12 |
| Tech Corporation Co., Ltd. | 28 |
12 |
| General Electric Company | 13830 |
11 |
| Saltworks Technologies Inc. | 92 |
11 |
| Massachusetts Institute of Technology | 10019 |
10 |
| The Regents of the University of California | 19839 |
9 |
| Sanyo Electric Co., Ltd. | 3708 |
9 |
| Axine Water Technologies Inc. | 48 |
9 |
| The Chugoku Electric Power Co., Inc. | 514 |
9 |
| Other owners | 1308 |