- 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: 898
10-year publication summary
|
45
|
45
|
63
|
86
|
117
|
113
|
118
|
82
|
95
|
37
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2720 |
46 |
| AT&T Intellectual Property I, L.P. | 11368 |
45 |
| Intel Corporation | 46080 |
38 |
| Texas Instruments Incorporated | 19222 |
28 |
| Ericsson | 19835 |
18 |
| Murata Manufacturing Co., Ltd. | 20675 |
18 |
| Aptiv Technologies Limited | 2062 |
18 |
| Raytheon Technologies Corporation | 8702 |
16 |
| NEC Corporation | 30716 |
13 |
| Mitsubishi Electric Corporation | 41731 |
13 |
| Molex, LLC | 1719 |
13 |
| Kyocera Corporation | 12140 |
12 |
| Sony Corporation | 35923 |
11 |
| Sony Semiconductor Solutions Corporation | 7515 |
10 |
| International Business Machines Corporation | 63228 |
9 |
| The Boeing Company | 20293 |
9 |
| Centre National de La Recherche Scientifique | 9255 |
9 |
| Olympus Corporation | 14154 |
9 |
| Gapwaves AB | 65 |
9 |
| Optisys, Inc. | 36 |
9 |
| Other owners | 545 |