- All sections
- H - Electricity
- H02N - Electric machines not otherwise provided for
- H02N 2/14 - Drive circuits; Control arrangements
Patent holdings for IPC class H02N 2/14
Total number of patents in this class: 195
10-year publication summary
|
19
|
15
|
14
|
20
|
17
|
21
|
22
|
18
|
12
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
45 |
| Seiko Epson Corporation | 18724 |
32 |
| Canon Kabushiki Kaisha | 6884 |
10 |
| Nikon Corporation | 7162 |
8 |
| Murata Manufacturing Co., Ltd. | 22355 |
8 |
| Physik Instrumente (PI) GmbH & Co. KG | 253 |
7 |
| TDK Taiwan Corp. | 694 |
5 |
| C-Motive Technologies Inc. | 21 |
3 |
| Miniswys SA | 25 |
3 |
| Nemoto Kyorindo Co., Ltd. | 189 |
3 |
| Newport Corporation | 199 |
3 |
| Topcon Corporation | 979 |
3 |
| Siemens AG | 24990 |
2 |
| LG Electronics Inc. | 69257 |
2 |
| Sony Corporation | 32931 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Boly Media Communications (Shenzhen) Co., Ltd. | 91 |
2 |
| Sinfonia Technology Co., Ltd. | 247 |
2 |
| Vital Biomedical Technologies Inc. | 2 |
2 |
| Other owners | 49 |