- 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: 967
10-year publication summary
|
45
|
63
|
86
|
117
|
113
|
118
|
82
|
99
|
96
|
29
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2777 |
46 |
| AT&T Intellectual Property I, L.P. | 9886 |
40 |
| Intel Corporation | 45621 |
39 |
| Texas Instruments Incorporated | 19376 |
32 |
| Aptiv Technologies AG | 2097 |
21 |
| Murata Manufacturing Co., Ltd. | 22355 |
20 |
| Ericsson | 20417 |
18 |
| Rtx Corporation | 8674 |
16 |
| NEC Corporation | 32703 |
13 |
| Mitsubishi Electric Corporation | 43934 |
13 |
| Kyocera Corporation | 12735 |
13 |
| Molex, LLC | 1792 |
13 |
| Sony Corporation | 32931 |
11 |
| Gapwaves AB | 69 |
11 |
| International Business Machines Corporation | 60644 |
10 |
| Waymo LLC | 2816 |
10 |
| Centre National de La Recherche Scientifique | 9632 |
9 |
| Olympus Corporation | 13667 |
9 |
| Sony Semiconductor Solutions Corporation | 8770 |
9 |
| Optisys, Inc. | 39 |
9 |
| Other owners | 605 |