Patent holdings for IPC class H04R 11/12

Total number of patents in this class: 3

10-year publication summary

0
1
0
0
0
0
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Kabushiki Kaisha Audio-Technica
121
2
audio-technica Corporation
368
1
Other owners 0