- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 3/12 - Hollow waveguides
Patent holdings for IPC class H01P 3/12
Total number of patents in this class: 1030
10-year publication summary
|
63
|
86
|
117
|
113
|
118
|
82
|
104
|
98
|
80
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2925 |
43 |
| Intel Corporation | 46960 |
40 |
| AT&T Intellectual Property I, L.P. | 9507 |
36 |
| Texas Instruments Incorporated | 19479 |
35 |
| Murata Manufacturing Co., Ltd. | 24478 |
23 |
| Aptiv Technologies AG | 2351 |
23 |
| Ericsson | 21724 |
17 |
| Rtx Corporation | 9352 |
16 |
| Kyocera Corporation | 13792 |
15 |
| Gapwaves AB | 81 |
15 |
| NEC Corporation | 35567 |
14 |
| Robert Bosch GmbH | 42647 |
14 |
| Mitsubishi Electric Corporation | 45998 |
13 |
| Molex, LLC | 1934 |
13 |
| Huawei Technologies Co., Ltd. | 112134 |
11 |
| Waymo LLC | 3101 |
11 |
| Optisys, Inc. | 42 |
11 |
| International Business Machines Corporation | 61198 |
10 |
| Centre National de La Recherche Scientifique | 10418 |
10 |
| Olympus Corporation | 13186 |
10 |
| Other owners | 650 |