- All sections
- H - Electricity
- H01P - Waveguides; resonators, lines or other devices of the waveguide type
- H01P 5/18 - Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
Patent holdings for IPC class H01P 5/18
Total number of patents in this class: 902
10-year publication summary
|
48
|
62
|
83
|
99
|
135
|
103
|
56
|
67
|
48
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
116 |
| Skyworks Solutions, Inc. | 3450 |
42 |
| AT&T Intellectual Property I, L.P. | 9886 |
26 |
| TDK Corporation | 6306 |
19 |
| Huawei Technologies Co., Ltd. | 100781 |
18 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
17 |
| Raytheon Company | 8535 |
15 |
| Qualcomm Incorporated | 76576 |
14 |
| International Business Machines Corporation | 60644 |
14 |
| Mitsubishi Electric Corporation | 43934 |
14 |
| Qorvo US, Inc. | 2018 |
13 |
| Texas Instruments Incorporated | 19376 |
11 |
| Sony Semiconductor Solutions Corporation | 8770 |
11 |
| TTM Technologies, Inc. | 68 |
11 |
| Intel Corporation | 45621 |
10 |
| Bird Technologies Group Inc. | 65 |
10 |
| CommScope Technologies LLC | 4937 |
10 |
| PPC Broadband, Inc. | 1017 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
| Other owners | 505 |