Patent holdings for IPC class H04R 3/00

Total number of patents in this class: 10881

10-year publication summary

791
832
960
1098
1163
1173
1159
1105
919
290
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
132239
355
Sony Corporation
32767
289
Cirrus Logic, Inc.
1721
285
Yamaha Corporation
4056
275
Bose Corporation
2879
247
Nokia Technologies Oy
15246
223
Apple Inc.
50331
219
Sonos, Inc.
2280
172
Qualcomm Incorporated
77045
170
Panasonic Intellectual Property Management Co., Ltd.
27909
150
Amazon Technologies, Inc.
24420
135
Microsoft Technology Licensing, LLC
51480
133
Dolby Laboratories Licensing Corporation
3910
122
Sony Group Corporation
10884
118
Huawei Technologies Co., Ltd.
101396
113
Harman International Industries, Incorporated
2453
112
Google LLC
38935
110
Nippon Telegraph and Telephone Corporation
14355
106
Knowles Electronics, LLC
598
104
NEC Corporation
32848
88
Other owners 7355