- All sections
- H - Electricity
- H01P - Waveguides; resonators, 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: 996
10-year publication summary
|
63
|
86
|
117
|
113
|
118
|
82
|
103
|
97
|
77
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2861 |
43 |
| Intel Corporation | 46097 |
39 |
| AT&T Intellectual Property I, L.P. | 9330 |
36 |
| Texas Instruments Incorporated | 19405 |
34 |
| Murata Manufacturing Co., Ltd. | 23648 |
23 |
| Aptiv Technologies AG | 2298 |
23 |
| Ericsson | 21094 |
17 |
| Rtx Corporation | 9077 |
16 |
| Kyocera Corporation | 13327 |
15 |
| NEC Corporation | 34337 |
14 |
| Mitsubishi Electric Corporation | 44738 |
13 |
| Gapwaves AB | 76 |
13 |
| Molex, LLC | 1858 |
13 |
| Robert Bosch GmbH | 41717 |
11 |
| Waymo LLC | 2953 |
11 |
| International Business Machines Corporation | 60075 |
10 |
| Huawei Technologies Co., Ltd. | 106498 |
10 |
| Optisys, Inc. | 39 |
10 |
| Samsung Electronics Co., Ltd. | 138518 |
9 |
| Sony Corporation | 31565 |
9 |
| Other owners | 627 |