- All sections
- H - Electricity
- H02N - Electric machines not otherwise provided for
- H02N 2/12 - Constructional details
Patent holdings for IPC class H02N 2/12
Total number of patents in this class: 188
10-year publication summary
|
13
|
19
|
11
|
15
|
16
|
22
|
18
|
15
|
13
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43869 |
22 |
| Murata Manufacturing Co., Ltd. | 25758 |
14 |
| Canon Kabushiki Kaisha | 7341 |
13 |
| Seiko Epson Corporation | 20259 |
12 |
| Nikon Corporation | 7226 |
12 |
| Physik Instrumente (PI) GmbH & Co. KG | 226 |
12 |
| C-Motive Technologies Inc. | 28 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
8 |
| The Swatch Group Research and Development Ltd | 878 |
5 |
| Huawei Technologies Co., Ltd. | 123543 |
3 |
| Mitsumi Electric Co., Ltd. | 1137 |
3 |
| Nanjing University of Aeronautics and Astronautics | 499 |
3 |
| Nemoto Kyorindo Co., Ltd. | 146 |
3 |
| Xi'an Jiaotong University | 736 |
3 |
| Samsung Electronics Co., Ltd. | 157946 |
2 |
| Halliburton Energy Services, Inc. | 21320 |
2 |
| Ricoh Company, Ltd. | 13333 |
2 |
| Robert Bosch GmbH | 44176 |
2 |
| Discovery Technology International, Inc. | 12 |
2 |
| Encite LLC | 37 |
2 |
| Other owners | 54 |