- 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: 1090
10-year publication summary
|
100
|
110
|
90
|
68
|
77
|
51
|
34
|
30
|
9
|
1
|
| 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. | 9886 |
49 |
| Samsung Electronics Co., Ltd. | 131630 |
30 |
| Sony Corporation | 32931 |
25 |
| Avago Technologies International Sales Pte. Limited | 9260 |
24 |
| Sonos, Inc. | 2274 |
23 |
| Texas Instruments Incorporated | 19376 |
21 |
| Qualcomm Incorporated | 76576 |
18 |
| Apple Inc. | 50209 |
17 |
| Huawei Technologies Co., Ltd. | 100781 |
15 |
| Cisco Technology, Inc. | 18858 |
13 |
| Yamaha Corporation | 4054 |
13 |
| Denso Corporation | 23338 |
11 |
| Maxim Integrated Products, Inc. | 1041 |
11 |
| Bose Corporation | 2880 |
10 |
| International Business Machines Corporation | 60644 |
9 |
| Panasonic Corporation | 20786 |
9 |
| Cirrus Logic, Inc. | 1719 |
9 |
| Turtle Beach Corporation | 72 |
9 |
| British Telecommunications Public Limited Company | 2575 |
8 |
| Intel Corporation | 45621 |
8 |
| Other owners | 758 |