Patent holdings for IPC class G10L 21/0324

Total number of patents in this class: 134

10-year publication summary

10
8
12
7
15
11
19
4
10
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Dolby Laboratories Licensing Corporation
4363
29
Dolby International AB
1012
17
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
5277
13
Dolby International AB
919
7
Ericsson
22929
6
Sony Corporation
30097
3
Nippon Telegraph and Telephone Corporation
15938
3
Comcast Cable Communications, LLC
5202
3
Ntt, Inc.
4429
3
Samsung Electronics Co., Ltd.
158605
2
Apple Inc.
59117
2
Fujitsu Limited
16859
2
Mitsubishi Electric Corporation
48236
2
Yamaha Corporation
4086
2
Nokia Technologies Oy
21548
2
Carnegie Mellon University
1644
2
Qsc, LLC
210
2
Tencent Technology (Shenzhen) Company Limited
16087
2
Sound Genetics Inc.
10
2
BlackBerry Limited
4868
1
Other owners 29