- 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: 1702
10-year publication summary
|
159
|
152
|
90
|
117
|
95
|
83
|
78
|
87
|
84
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nihon Trim Co., Ltd. | 115 |
52 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
44 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6221 |
29 |
| Evoqua Water Technologies LLC | 924 |
27 |
| Panasonic Corporation | 19867 |
24 |
| Sharp Kabushiki Kaisha | 18635 |
15 |
| Daikin Industries, Ltd. | 10223 |
14 |
| Robert Bosch GmbH | 43321 |
13 |
| Koninklijke Philips N.V. | 25385 |
13 |
| Mitsubishi Electric Corporation | 47380 |
12 |
| BL Technologies, Inc. | 838 |
12 |
| Morinaga Milk Industry Co., Ltd. | 352 |
12 |
| General Electric Company | 13777 |
11 |
| Massachusetts Institute of Technology | 10183 |
11 |
| Saltworks Technologies Inc. | 95 |
11 |
| Tech Corporation Co., Ltd. | 27 |
11 |
| The Regents of the University of California | 20410 |
9 |
| Sanyo Electric Co., Ltd. | 3569 |
9 |
| The Chugoku Electric Power Co., Inc. | 513 |
9 |
| Drexel University | 1018 |
9 |
| Other owners | 1355 |