- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/02 - Line transmission systems Details
Patent holdings for IPC class H04B 3/02
Total number of patents in this class: 291
10-year publication summary
|
20
|
27
|
33
|
26
|
27
|
17
|
16
|
12
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47722 |
15 |
| AT&T Intellectual Property I, L.P. | 9905 |
9 |
| Kandou Labs, S.A. | 335 |
9 |
| Panasonic Corporation | 19386 |
7 |
| Sony Semiconductor Solutions Corporation | 11342 |
7 |
| Halliburton Energy Services, Inc. | 21257 |
6 |
| Intel Corporation | 46737 |
6 |
| Samsung Electronics Co., Ltd. | 155224 |
5 |
| Denso Corporation | 25361 |
5 |
| Fuji Electric Co., Ltd. | 5422 |
5 |
| Nippon Telegraph and Telephone Corporation | 15935 |
5 |
| CertusView Technologies, LLC | 186 |
5 |
| Qualcomm Incorporated | 90870 |
4 |
| Sumitomo Electric Industries, Ltd. | 16191 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
3 |
| Yamaha Corporation | 4066 |
3 |
| Daikin Industries, Ltd. | 10401 |
3 |
| Omron Corporation | 7340 |
3 |
| Marvell Asia PTE, Ltd. | 6340 |
3 |
| Cavium International | 4737 |
3 |
| Other owners | 182 |