- 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: 37
10-year publication summary
|
6
|
7
|
2
|
5
|
5
|
5
|
5
|
3
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 58122 |
2 |
| Nokia Technologies Oy | 20346 |
2 |
| Bose Corporation | 3084 |
2 |
| Jon Robert Kurtz | 3 |
2 |
| LG Electronics Inc. | 75045 |
1 |
| Nokia Corporation | 5007 |
1 |
| Koninklijke Philips N.V. | 25624 |
1 |
| Huawei Technologies Co., Ltd. | 120453 |
1 |
| Boe Technology Group Co., Ltd. | 43067 |
1 |
| AKG Acoustics GmbH | 55 |
1 |
| Assurant, Inc. | 291 |
1 |
| Doddle & Co, LLC | 5 |
1 |
| GN Netcom AS | 166 |
1 |
| Huan-Cheng Chang | 8 |
1 |
| Jiangsu Betterlife Medical Co., Ltd | 15 |
1 |
| K-tronics (Suzhou) Technology Co., Ltd. | 261 |
1 |
| Phonak AG | 221 |
1 |
| Sonion Nederland B.V. | 163 |
1 |
| Interacoustics A/S | 154 |
1 |
| Serene Group, Inc. | 12 |
1 |
| Other owners | 13 |