- 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: 5598
10-year publication summary
|
9
|
26
|
46
|
138
|
545
|
792
|
935
|
1176
|
1300
|
491
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 90374 |
967 |
| Samsung Electronics Co., Ltd. | 154120 |
583 |
| LG Electronics Inc. | 75045 |
409 |
| NTT DoCoMo, Inc. | 14283 |
280 |
| Huawei Technologies Co., Ltd. | 120453 |
262 |
| Ericsson | 22306 |
203 |
| Apple Inc. | 58122 |
197 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22633 |
182 |
| Interdigital Patent Holdings, Inc. | 6513 |
154 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14252 |
154 |
| Vivo Mobile Communication Co., Ltd. | 13309 |
143 |
| Nokia Technologies Oy | 20346 |
136 |
| ZTE Corporation | 43624 |
117 |
| Comcast Cable Communications, LLC | 5042 |
81 |
| Panasonic Intellectual Property Corporation of America | 7082 |
80 |
| Sharp Corporation | 10468 |
74 |
| Ofinno, LLC | 2162 |
71 |
| Datang Mobile Communications Equipment Co., Ltd | 4286 |
62 |
| Intel Corporation | 46681 |
61 |
| Wilus Institute of Standards and Technology Inc. | 844 |
50 |
| Other owners | 1332 |