- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
Patent holdings for IPC class H04W 72/231
Total number of patents in this class: 1503
10-year publication summary
1
|
2
|
13
|
22
|
15
|
10
|
27
|
257
|
659
|
457
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 144143 |
231 |
LG Electronics Inc. | 72473 |
132 |
Qualcomm Incorporated | 84501 |
125 |
NTT DoCoMo, Inc. | 12779 |
85 |
Huawei Technologies Co., Ltd. | 110995 |
76 |
ZTE Corporation | 42015 |
67 |
Beijing Xiaomi Mobile Software Co., Ltd. | 11789 |
65 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20704 |
56 |
Apple Inc. | 54479 |
42 |
Vivo Mobile Communication Co., Ltd. | 11985 |
39 |
Sharp Kabushiki Kaisha | 18799 |
38 |
Sharp Corporation | 10293 |
34 |
Nokia Technologies Oy | 17558 |
33 |
Ericsson | 21593 |
29 |
Intel Corporation | 46699 |
29 |
Comcast Cable Communications, LLC | 4627 |
22 |
Ofinno, LLC | 1627 |
22 |
Blackpin Inc. | 335 |
22 |
Electronics and Telecommunications Research Institute | 9344 |
21 |
Lenovo (Beijing) Limited | 3454 |
21 |
Other owners | 314 |