- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 19/10 - Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously
Patent holdings for IPC class H04R 19/10
Total number of patents in this class: 3
10-year publication summary
0
|
1
|
0
|
0
|
0
|
2
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Butterfly Network, Inc. | 169 |
1 |
Kabushiki Kaisha Audio-Technica | 148 |
1 |
Graphaudio | 3 |
1 |
Other owners | 0 |