- 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 |