- All sections
- H - Electricity
- H02N - Electric machines not otherwise provided for
- H02N 2/04 - Constructional details
Patent holdings for IPC class H02N 2/04
Total number of patents in this class: 462
10-year publication summary
|
28
|
43
|
40
|
46
|
31
|
45
|
46
|
32
|
26
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 41186 |
27 |
| Kyocera Corporation | 14102 |
19 |
| Physik Instrumente (PI) GmbH & Co. KG | 229 |
17 |
| Canon Kabushiki Kaisha | 7165 |
17 |
| TDK Electronics AG | 975 |
12 |
| Siemens AG | 24323 |
11 |
| TDK Corporation | 6750 |
11 |
| Mechano Transformer Corporation | 44 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
9 |
| Mitsumi Electric Co., Ltd. | 1092 |
8 |
| TDK Taiwan Corp. | 816 |
8 |
| Murata Manufacturing Co., Ltd. | 25037 |
7 |
| Satake Corporation | 286 |
7 |
| Seiko Epson Corporation | 19708 |
6 |
| Thorlabs, Inc. | 413 |
6 |
| Metismotion GmbH | 23 |
6 |
| Huawei Technologies Co., Ltd. | 116134 |
5 |
| Olympus Corporation | 13080 |
5 |
| Samsung Electronics Co., Ltd. | 149362 |
4 |
| Illinois Tool Works Inc. | 11590 |
4 |
| Other owners | 263 |