- All sections
- H - Electricity
- H01P - Waveguidesresonators, 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: 963
10-year publication summary
|
59
|
82
|
98
|
127
|
101
|
56
|
69
|
54
|
50
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24813 |
119 |
| Skyworks Solutions, Inc. | 3754 |
42 |
| AT&T Intellectual Property I, L.P. | 9596 |
21 |
| Huawei Technologies Co., Ltd. | 114071 |
20 |
| TDK Corporation | 6874 |
20 |
| ROHDE & Schwarz GmbH & Co. KG | 1956 |
18 |
| Qualcomm Incorporated | 86648 |
17 |
| International Business Machines Corporation | 61537 |
15 |
| Raytheon Company | 8395 |
15 |
| Mitsubishi Electric Corporation | 46547 |
14 |
| Qorvo US, Inc. | 2253 |
14 |
| Texas Instruments Incorporated | 19462 |
13 |
| Sony Semiconductor Solutions Corporation | 10690 |
13 |
| Bird Technologies Group Inc. | 71 |
12 |
| Samsung Electronics Co., Ltd. | 147787 |
11 |
| TTM Technologies, Inc. | 71 |
11 |
| Outdoor Wireless Networks LLC | 1987 |
11 |
| Intel Corporation | 47221 |
10 |
| PPC Broadband, Inc. | 1082 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
8 |
| Other owners | 549 |