- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 28/04 - Error control
Patent holdings for IPC class H04W 28/04
Total number of patents in this class: 4755
10-year publication summary
|
349
|
335
|
342
|
421
|
390
|
538
|
434
|
395
|
301
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTT DoCoMo, Inc. | 11501 |
570 |
| LG Electronics Inc. | 69257 |
308 |
| Qualcomm Incorporated | 76576 |
285 |
| Sharp Kabushiki Kaisha | 18957 |
247 |
| Huawei Technologies Co., Ltd. | 100781 |
243 |
| Samsung Electronics Co., Ltd. | 131630 |
240 |
| Sony Corporation | 32931 |
126 |
| Apple Inc. | 50209 |
117 |
| NEC Corporation | 32703 |
97 |
| Ericsson | 20417 |
96 |
| ZTE Corporation | 39218 |
96 |
| Fujitsu Limited | 19265 |
95 |
| ISCO International, LLC | 212 |
83 |
| Kyocera Corporation | 12735 |
77 |
| Panasonic Corporation | 20786 |
76 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
75 |
| Panasonic Intellectual Property Corporation of America | 7230 |
73 |
| Nokia Technologies Oy | 15057 |
58 |
| Intel Corporation | 45621 |
57 |
| Sony Group Corporation | 10730 |
45 |
| Other owners | 1691 |