Patent holdings for IPC class H04H 20/91

Total number of patents in this class: 85

10-year publication summary

3
4
9
9
7
5
3
9
4
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Saturn Licensing LLC
1502
16
Sony Corporation
32931
11
Stereo App Limited
39
11
Comcast Cable Communications, LLC
4075
5
Maxell, Ltd.
2533
5
Sony Electronics Inc.
659
4
Maxell Holdings, Ltd.
1422
4
Telesat Technology Corporation
8
4
Panasonic Corporation
20786
3
Sirius XM Radio Inc.
366
3
Nippon Hoso Kyokai
203
2
Stripe, Inc.
528
2
Avago Technologies International Sales Pte. Limited
9260
2
Samsung Electronics Co., Ltd.
131630
1
Nokia Corporation
6965
1
Matsushita Electric Industrial Co., Ltd.
4724
1
Koninklijke Philips Electronics N.V.
13133
1
U.S. Philips Corporation
653
1
NPX B.V.
2204
1
Arcelik A.S.
3617
1
Other owners 6