- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 17/04 - Gramophone pick-ups using a stylusRecorders using a stylus
Patent holdings for IPC class H04R 17/04
Total number of patents in this class: 3
10-year publication summary
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24575 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
1 |
| Klipsch Group, Inc. | 100 |
1 |
| Other owners | 0 |