- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Patent holdings for IPC class H04W 72/21
Total number of patents in this class: 4094
10-year publication summary
|
8
|
9
|
26
|
46
|
133
|
519
|
695
|
846
|
1153
|
584
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84501 |
753 |
| Samsung Electronics Co., Ltd. | 144143 |
392 |
| LG Electronics Inc. | 72473 |
278 |
| NTT DoCoMo, Inc. | 12779 |
186 |
| Huawei Technologies Co., Ltd. | 110995 |
177 |
| Ericsson | 21593 |
170 |
| Apple Inc. | 54479 |
149 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20704 |
145 |
| Interdigital Patent Holdings, Inc. | 5261 |
117 |
| Vivo Mobile Communication Co., Ltd. | 11985 |
107 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 11789 |
104 |
| Nokia Technologies Oy | 17558 |
89 |
| ZTE Corporation | 42015 |
83 |
| Sharp Corporation | 10293 |
66 |
| Panasonic Intellectual Property Corporation of America | 7611 |
62 |
| Comcast Cable Communications, LLC | 4627 |
60 |
| Ofinno, LLC | 1627 |
52 |
| Datang Mobile Communications Equipment Co., Ltd | 3797 |
49 |
| Wilus Institute of Standards and Technology Inc. | 749 |
46 |
| Sun Patent Trust | 1991 |
45 |
| Other owners | 964 |