- 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: 3418
10-year publication summary
|
342
|
399
|
315
|
306
|
309
|
285
|
217
|
161
|
147
|
87
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9253 |
294 |
| Texas Instruments Incorporated | 19409 |
168 |
| Huawei Technologies Co., Ltd. | 104236 |
89 |
| Qualcomm Incorporated | 78824 |
63 |
| Sony Corporation | 31846 |
63 |
| Panasonic Corporation | 20563 |
63 |
| Landis+Gyr Technologies, LLC | 113 |
52 |
| The Boeing Company | 19784 |
42 |
| Panasonic Intellectual Property Management Co., Ltd. | 28660 |
42 |
| Sumitomo Electric Industries, Ltd. | 14484 |
37 |
| Cisco Technology, Inc. | 18958 |
34 |
| Siemens AG | 24715 |
32 |
| May Patents Ltd. | 133 |
30 |
| Sagemcom Energy & Telecom SAS | 234 |
30 |
| Illinois Tool Works Inc. | 11239 |
27 |
| Matsushita Electric Industrial Co., Ltd. | 3716 |
25 |
| Robert Bosch GmbH | 41362 |
24 |
| Samsung Electronics Co., Ltd. | 135388 |
23 |
| Mitsubishi Electric Corporation | 44614 |
22 |
| Sumitomo Wiring Systems, Ltd. | 9661 |
22 |
| Other owners | 2236 |