- 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: 1668
10-year publication summary
|
175
|
169
|
160
|
100
|
136
|
101
|
95
|
81
|
84
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nihon Trim Co., Ltd. | 114 |
52 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
44 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6270 |
29 |
| Evoqua Water Technologies LLC | 917 |
26 |
| Panasonic Corporation | 20124 |
24 |
| Sharp Kabushiki Kaisha | 18764 |
15 |
| Daikin Industries, Ltd. | 9991 |
14 |
| Robert Bosch GmbH | 42674 |
13 |
| Koninklijke Philips N.V. | 24766 |
12 |
| Mitsubishi Electric Corporation | 46037 |
12 |
| BL Technologies, Inc. | 834 |
12 |
| Morinaga Milk Industry Co., Ltd. | 355 |
12 |
| Tech Corporation Co., Ltd. | 28 |
12 |
| General Electric Company | 13767 |
11 |
| Saltworks Technologies Inc. | 93 |
11 |
| Massachusetts Institute of Technology | 10051 |
10 |
| The Regents of the University of California | 19898 |
9 |
| Sanyo Electric Co., Ltd. | 3692 |
9 |
| Axine Water Technologies Inc. | 48 |
9 |
| The Chugoku Electric Power Co., Inc. | 514 |
9 |
| Other owners | 1323 |