- All sections
- H - Electricity
- H01P - Waveguides; resonators, lines or other devices of the waveguide type
- H01P 1/22 - Attenuating devices
Patent holdings for IPC class H01P 1/22
Total number of patents in this class: 231
10-year publication summary
|
21
|
9
|
16
|
28
|
24
|
30
|
14
|
18
|
12
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60644 |
26 |
| Raytheon Company | 8535 |
14 |
| AT&T Intellectual Property I, L.P. | 9886 |
8 |
| Skyworks Solutions, Inc. | 3450 |
6 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| IBM United Kingdom Limited | 4467 |
5 |
| Qorvo US, Inc. | 2018 |
5 |
| Psemi Corporation | 898 |
5 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| National Instruments Corporation | 842 |
4 |
| Integrated Device Technology, Inc. | 736 |
4 |
| Google LLC | 38759 |
3 |
| MACOM Technology Solutions Holdings, Inc. | 784 |
3 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
3 |
| Technetix B.V. | 63 |
3 |
| Thin Film Technology Corporation | 4 |
3 |
| TransSiP, Inc. | 8 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Qualcomm Incorporated | 76576 |
2 |
| Fujitsu Limited | 19265 |
2 |
| Other owners | 121 |