- 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: 169
10-year publication summary
|
11
|
13
|
13
|
19
|
11
|
15
|
13
|
22
|
18
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
20 |
| Seiko Epson Corporation | 18724 |
13 |
| Murata Manufacturing Co., Ltd. | 22355 |
12 |
| Physik Instrumente (PI) GmbH & Co. KG | 253 |
12 |
| Nikon Corporation | 7162 |
10 |
| Canon Kabushiki Kaisha | 6884 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| C-Motive Technologies Inc. | 21 |
4 |
| Mitsumi Electric Co., Ltd. | 1041 |
3 |
| Nanjing University of Aeronautics and Astronautics | 360 |
3 |
| Nemoto Kyorindo Co., Ltd. | 189 |
3 |
| Newport Corporation | 199 |
3 |
| Xi'an Jiaotong University | 579 |
3 |
| DTI Motion Corp. | 15 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
2 |
| Other owners | 53 |