- All sections
- G - Physics
- G10K - Sound-producing devices; methods or devices for protecting against, or for damping, noise or other acoustic waves in general; acoustics not otherwise provided for
- G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
Patent holdings for IPC class G10K 11/178
Total number of patents in this class: 3085
10-year publication summary
|
143
|
205
|
254
|
301
|
345
|
383
|
347
|
353
|
378
|
109
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bose Corporation | 2880 |
283 |
| Cirrus Logic, Inc. | 1719 |
150 |
| Sony Corporation | 32931 |
90 |
| Shenzhen Shokz Co., Ltd. | 629 |
80 |
| Harman Becker Automotive Systems GmbH | 645 |
77 |
| Apple Inc. | 50209 |
70 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
63 |
| Harman International Industries, Incorporated | 2443 |
63 |
| Honda Motor Co., Ltd. | 24537 |
46 |
| Huawei Technologies Co., Ltd. | 100781 |
43 |
| Samsung Electronics Co., Ltd. | 131630 |
42 |
| Sony Group Corporation | 10730 |
40 |
| Hyundai Motor Company | 19021 |
37 |
| Avnera Corporation | 116 |
35 |
| Qualcomm Incorporated | 76576 |
34 |
| Cirrus Logic International Semiconductor Ltd. | 792 |
29 |
| Amazon Technologies, Inc. | 24422 |
28 |
| Nippon Telegraph and Telephone Corporation | 14195 |
27 |
| ams AG | 807 |
27 |
| Panasonic Automotive Systems Co., Ltd. | 1440 |
25 |
| Other owners | 1796 |