Patent holdings for IPC class H04H 20/04

Total number of patents in this class: 27

10-year publication summary

5
6
5
2
3
0
3
0
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sony Corporation
30957
4
Hitachi Kokusai Electric Inc.
875
4
LiveU Ltd.
49
4
CBS Interactive Inc.
162
2
Cubic Corporation
336
2
Level 3 Communications, LLC
1268
2
Panasonic Corporation
20059
1
Ericsson
21856
1
Nike, Inc.
14229
1
FanVision Entertainment LLC
19
1
Telecom Italia S.p.A.
1045
1
Vantrix Corporation
57
1
Telefonaktiebolaget LM Ericsson (publ)
28194
1
Datacast S.r.l.
1
1
3649954 Canada Inc.
17
1
Other owners 0