- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 3/18 - WaveguidesTransmission lines of the waveguide type built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
Patent holdings for IPC class H01P 3/18
Total number of patents in this class: 57
10-year publication summary
|
2
|
5
|
6
|
1
|
4
|
4
|
3
|
3
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1980 |
3 |
| Quantum Wave, LLC | 75 |
3 |
| Murata Manufacturing Co., Ltd. | 25107 |
2 |
| Raytheon Company | 8459 |
2 |
| Innolux Corporation | 3440 |
2 |
| AAC Module Technologies (Changzhou) Co., Ltd. | 88 |
2 |
| EMS Waves Limited | 5 |
2 |
| Adeia Semiconductor Technologies LLC | 154 |
2 |
| International Business Machines Corporation | 61840 |
1 |
| AT&T Intellectual Property I, L.P. | 9697 |
1 |
| NEC Corporation | 36334 |
1 |
| Panasonic Corporation | 19924 |
1 |
| Ericsson | 22040 |
1 |
| Hewlett-Packard Development Company, L.P. | 25552 |
1 |
| Intel Corporation | 46510 |
1 |
| Koninklijke Philips Electronics N.V. | 8519 |
1 |
| Electronics and Telecommunications Research Institute | 9370 |
1 |
| Industrial Technology Research Institute | 5065 |
1 |
| Alcatel Lucent SA | 1566 |
1 |
| TDK Corporation | 6752 |
1 |
| Other owners | 27 |