- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/00 - Line transmission systems
Patent holdings for IPC class H04B 3/00
Total number of patents in this class: 1047
10-year publication summary
|
110
|
90
|
68
|
78
|
51
|
37
|
32
|
13
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9377 |
45 |
| Samsung Electronics Co., Ltd. | 140622 |
29 |
| Sonos, Inc. | 2497 |
24 |
| Avago Technologies International Sales Pte. Limited | 8913 |
23 |
| Sony Corporation | 31467 |
22 |
| Texas Instruments Incorporated | 19457 |
21 |
| Qualcomm Incorporated | 82781 |
19 |
| Apple Inc. | 53280 |
15 |
| Huawei Technologies Co., Ltd. | 108034 |
14 |
| Cisco Technology, Inc. | 19497 |
13 |
| Denso Corporation | 23912 |
11 |
| Yamaha Corporation | 4079 |
11 |
| Bose Corporation | 2934 |
10 |
| Panasonic Corporation | 20286 |
9 |
| Cirrus Logic, Inc. | 1747 |
9 |
| Sound United, LLC | 79 |
9 |
| International Business Machines Corporation | 60389 |
8 |
| British Telecommunications Public Limited Company | 2604 |
8 |
| Intel Corporation | 46267 |
8 |
| Renesas Electronics Corporation | 6144 |
8 |
| Other owners | 731 |