- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 1/12 - Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
Patent holdings for IPC class H04R 1/12
Total number of patents in this class: 36
10-year publication summary
|
5
|
6
|
7
|
2
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5
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5
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5
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4
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 52845 |
2 |
| Nokia Technologies Oy | 16586 |
2 |
| Bose Corporation | 2925 |
2 |
| Jon Robert Kurtz | 3 |
2 |
| LG Electronics Inc. | 71074 |
1 |
| Nokia Corporation | 6149 |
1 |
| Koninklijke Philips N.V. | 24052 |
1 |
| Huawei Technologies Co., Ltd. | 106915 |
1 |
| Boe Technology Group Co., Ltd. | 38978 |
1 |
| AKG Acoustics GmbH | 57 |
1 |
| Assurant, Inc. | 257 |
1 |
| Doddle & Co, LLC | 5 |
1 |
| GN Netcom AS | 182 |
1 |
| Huan-Cheng Chang | 8 |
1 |
| Jiangsu Betterlife Medical Co., Ltd | 16 |
1 |
| K-tronics (Suzhou) Technology Co., Ltd. | 237 |
1 |
| Phonak AG | 231 |
1 |
| Sonion Nederland B.V. | 142 |
1 |
| Interacoustics A/S | 140 |
1 |
| Serene Group, Inc. | 12 |
1 |
| Other owners | 12 |