- 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: 996
10-year publication summary
|
83
|
99
|
135
|
103
|
57
|
70
|
55
|
50
|
59
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25758 |
121 |
| Skyworks Solutions, Inc. | 3953 |
42 |
| Huawei Technologies Co., Ltd. | 123543 |
22 |
| AT&T Intellectual Property I, L.P. | 10002 |
21 |
| TDK Corporation | 6876 |
21 |
| ROHDE & Schwarz GmbH & Co. KG | 1994 |
18 |
| Qualcomm Incorporated | 92416 |
17 |
| International Business Machines Corporation | 62671 |
15 |
| Texas Instruments Incorporated | 19653 |
15 |
| Raytheon Company | 8448 |
15 |
| Qorvo US, Inc. | 2401 |
15 |
| Samsung Electronics Co., Ltd. | 157946 |
14 |
| Mitsubishi Electric Corporation | 48048 |
14 |
| Sony Semiconductor Solutions Corporation | 11613 |
13 |
| Bird Technologies Group Inc. | 74 |
12 |
| PPC Broadband, Inc. | 1111 |
11 |
| TTM Technologies, Inc. | 81 |
11 |
| Outdoor Wireless Networks LLC | 2117 |
11 |
| Intel Corporation | 47122 |
10 |
| Sumitomo Electric Industries, Ltd. | 16355 |
8 |
| Other owners | 570 |