- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 9/10 - Telephone receivers
Patent holdings for IPC class H04R 9/10
Total number of patents in this class: 38
10-year publication summary
|
1
|
2
|
1
|
5
|
5
|
3
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goertek Inc. | 2737 |
6 |
| Pioneer Corporation | 3932 |
5 |
| Tohoku Pioneer Corporation | 469 |
5 |
| Vivo Mobile Communication Co., Ltd. | 13158 |
4 |
| AAC Technologies Pte. Ltd. | 1494 |
4 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1999 |
2 |
| Samsung Electronics Co., Ltd. | 152716 |
1 |
| Alibaba Group Holding Limited | 6913 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
1 |
| Cypher, LLC | 6 |
1 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22356 |
1 |
| Knowles Electronics, LLC | 592 |
1 |
| Knowles IPC (M) Sdn Bhd | 6 |
1 |
| Transound Electronics Co., Ltd. | 25 |
1 |
| Universite du Maine | 52 |
1 |
| Universite Paris-Sud, a corporation of France | 318 |
1 |
| Université Paris-saclay | 598 |
1 |
| Suzhou Sensorfun Electronics Co., Ltd | 6 |
1 |
| Other owners | 0 |