- 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: 1046
10-year publication summary
|
62
|
86
|
114
|
109
|
113
|
81
|
104
|
96
|
80
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2959 |
43 |
| Intel Corporation | 46921 |
40 |
| AT&T Intellectual Property I, L.P. | 9613 |
36 |
| Texas Instruments Incorporated | 19450 |
35 |
| Murata Manufacturing Co., Ltd. | 24843 |
24 |
| Aptiv Technologies AG | 2377 |
23 |
| Ericsson | 21917 |
17 |
| Gapwaves AB | 84 |
16 |
| Rtx Corporation | 9495 |
16 |
| Kyocera Corporation | 13997 |
15 |
| NEC Corporation | 36129 |
14 |
| Robert Bosch GmbH | 42861 |
14 |
| Mitsubishi Electric Corporation | 46618 |
13 |
| Molex, LLC | 1952 |
13 |
| Waymo LLC | 3167 |
12 |
| Huawei Technologies Co., Ltd. | 114462 |
11 |
| Optisys, Inc. | 43 |
11 |
| International Business Machines Corporation | 61616 |
10 |
| Centre National de La Recherche Scientifique | 10595 |
10 |
| Olympus Corporation | 13123 |
10 |
| Other owners | 663 |