- 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: 996
10-year publication summary
|
90
|
68
|
78
|
51
|
37
|
35
|
15
|
14
|
6
|
4
|
| 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. | 9993 |
42 |
| Samsung Electronics Co., Ltd. | 157557 |
28 |
| Sonos, Inc. | 2853 |
25 |
| Sony Corporation | 30208 |
22 |
| Texas Instruments Incorporated | 19663 |
21 |
| Avago Technologies International Sales Pte. Limited | 8564 |
21 |
| Qualcomm Incorporated | 91997 |
19 |
| Apple Inc. | 58705 |
13 |
| Yamaha Corporation | 4071 |
12 |
| Denso Corporation | 25513 |
11 |
| Huawei Technologies Co., Ltd. | 123282 |
11 |
| Cisco Technology, Inc. | 22491 |
10 |
| Bose Corporation | 3093 |
10 |
| Sound United, LLC | 92 |
9 |
| British Telecommunications Public Limited Company | 2600 |
8 |
| Panasonic Corporation | 19060 |
8 |
| Intel Corporation | 47102 |
8 |
| Renesas Electronics Corporation | 5879 |
8 |
| Cirrus Logic, Inc. | 1803 |
8 |
| International Business Machines Corporation | 62621 |
7 |
| Other owners | 695 |