- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 7/21 - Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output
Patent holdings for IPC class H03H 7/21
Total number of patents in this class: 68
10-year publication summary
|
10
|
4
|
3
|
6
|
12
|
8
|
3
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46814 |
6 |
| Qualcomm Incorporated | 87362 |
5 |
| Ericsson | 21972 |
3 |
| Murata Manufacturing Co., Ltd. | 24950 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 28484 |
3 |
| Panasonic Corporation | 19976 |
2 |
| Micron Technology, Inc. | 26461 |
2 |
| Renesas Electronics Corporation | 5939 |
2 |
| Cyntec Co., Ltd. | 260 |
2 |
| Rockwell Collins, Inc. | 2517 |
2 |
| Maxim Integrated Products, Inc. | 1034 |
2 |
| Skyworks Solutions, Inc. | 3796 |
2 |
| WorldWide Antenna Systems LLC | 7 |
2 |
| Apple Inc. | 56170 |
1 |
| Siemens AG | 24342 |
1 |
| NEC Corporation | 36267 |
1 |
| Intel Corporation | 46455 |
1 |
| Fujitsu Limited | 17675 |
1 |
| Ricoh Company, Ltd. | 13364 |
1 |
| Electronics and Telecommunications Research Institute | 9460 |
1 |
| Other owners | 25 |