- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/556 - Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
Patent holdings for IPC class H04B 10/556
Total number of patents in this class: 530
10-year publication summary
|
60
|
58
|
47
|
52
|
57
|
44
|
42
|
34
|
26
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
44 |
| NEC Corporation | 32703 |
36 |
| Mitsubishi Electric Corporation | 43934 |
20 |
| Marvell Asia PTE, Ltd. | 6841 |
20 |
| Fujitsu Limited | 19265 |
19 |
| Cavium International | 5549 |
19 |
| Nippon Telegraph and Telephone Corporation | 14195 |
17 |
| Raytheon Company | 8535 |
15 |
| Ciena Corporation | 1927 |
10 |
| Kookmin University Industry Academy Cooperation Foundation | 337 |
10 |
| Ramot at Tel-Aviv University Ltd. | 1370 |
10 |
| Acacia Technology, Inc. | 174 |
10 |
| Futurewei Technologies, Inc. | 3708 |
9 |
| Infinera Corporation | 620 |
9 |
| ZTE Corporation | 39218 |
8 |
| Nokia Solutions And Networks Oy | 5698 |
8 |
| Alcatel Lucent | 4720 |
8 |
| Juniper Networks, Inc. | 3556 |
7 |
| Google LLC | 38759 |
7 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
7 |
| Other owners | 237 |