- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 9/08 - Microphones
Patent holdings for IPC class H04R 9/08
Total number of patents in this class: 363
10-year publication summary
|
28
|
50
|
28
|
41
|
13
|
12
|
18
|
25
|
23
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Audio-Technica | 148 |
16 |
| Fortemedia, Inc. | 140 |
12 |
| Knowles Electronics, LLC | 597 |
12 |
| InvenSense, Inc. | 1014 |
11 |
| Sennheiser electronic GmbH & Co. KG | 472 |
9 |
| Robert Bosch GmbH | 40953 |
8 |
| TDK Corporation | 6306 |
8 |
| LG Electronics Inc. | 69257 |
7 |
| Goertek Inc. | 2477 |
7 |
| Shure Acquisition Holdings, Inc. | 449 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Cochlear Limited | 1619 |
6 |
| Malikie Innovations Limited | 7703 |
6 |
| Apple Inc. | 50209 |
5 |
| Yamaha Corporation | 4054 |
5 |
| Cirrus Logic, Inc. | 1719 |
5 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
5 |
| Oticon A/S | 842 |
5 |
| AAC Technologies Pte. Ltd. | 1436 |
5 |
| Infineon Technologies AG | 8189 |
4 |
| Other owners | 214 |