- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/54 - Systems for transmission via power distribution lines
Patent holdings for IPC class H04B 3/54
Total number of patents in this class: 3465
10-year publication summary
|
315
|
306
|
309
|
285
|
218
|
165
|
164
|
130
|
114
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 10013 |
285 |
| Texas Instruments Incorporated | 19639 |
173 |
| Huawei Technologies Co., Ltd. | 124379 |
114 |
| Qualcomm Incorporated | 93006 |
65 |
| Sony Corporation | 30097 |
58 |
| Panasonic Corporation | 18809 |
57 |
| Landis+Gyr Technologies, LLC | 112 |
52 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
45 |
| The Boeing Company | 20196 |
43 |
| Cisco Technology, Inc. | 22584 |
41 |
| Sumitomo Electric Industries, Ltd. | 16331 |
37 |
| May Patents Ltd. | 167 |
36 |
| Sagemcom Energy & Telecom SAS | 286 |
31 |
| Siemens AG | 23983 |
29 |
| Samsung Electronics Co., Ltd. | 158605 |
25 |
| Illinois Tool Works Inc. | 11863 |
25 |
| Robert Bosch GmbH | 44252 |
25 |
| Sumitomo Wiring Systems, Ltd. | 11139 |
22 |
| AutoNetworks Technologies, Ltd. | 7211 |
22 |
| Mitsubishi Electric Corporation | 48236 |
20 |
| Other owners | 2260 |