- 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: 1031
10-year publication summary
|
110
|
90
|
68
|
78
|
51
|
37
|
32
|
14
|
4
|
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. | 9427 |
45 |
| Samsung Electronics Co., Ltd. | 142777 |
29 |
| Sonos, Inc. | 2537 |
24 |
| Sony Corporation | 31227 |
22 |
| Avago Technologies International Sales Pte. Limited | 8873 |
22 |
| Texas Instruments Incorporated | 19478 |
21 |
| Qualcomm Incorporated | 83821 |
19 |
| Apple Inc. | 54076 |
15 |
| Huawei Technologies Co., Ltd. | 109769 |
14 |
| Cisco Technology, Inc. | 19566 |
13 |
| Yamaha Corporation | 4084 |
12 |
| Denso Corporation | 24034 |
11 |
| Bose Corporation | 2955 |
10 |
| Panasonic Corporation | 20207 |
9 |
| Cirrus Logic, Inc. | 1762 |
9 |
| Sound United, LLC | 81 |
9 |
| International Business Machines Corporation | 60696 |
8 |
| British Telecommunications Public Limited Company | 2592 |
8 |
| Intel Corporation | 46639 |
8 |
| Renesas Electronics Corporation | 6096 |
8 |
| Other owners | 715 |