- All sections
- G - Physics
- G10K - Sound-producing devicesmethods or devices for protecting against, or for damping, noise or other acoustic waves in generalacoustics 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 effectsMasking 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: 3613
10-year publication summary
|
251
|
298
|
340
|
373
|
343
|
359
|
391
|
297
|
317
|
47
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bose Corporation | 3070 |
327 |
| Cirrus Logic, Inc. | 1796 |
154 |
| Shenzhen Shokz Co., Ltd. | 1264 |
97 |
| Sony Corporation | 30536 |
87 |
| Apple Inc. | 57432 |
85 |
| Harman Becker Automotive Systems GmbH | 680 |
81 |
| Harman International Industries, Incorporated | 2761 |
77 |
| Panasonic Intellectual Property Management Co., Ltd. | 33168 |
69 |
| Samsung Electronics Co., Ltd. | 152304 |
68 |
| Sony Group Corporation | 14990 |
68 |
| Honda Motor Co., Ltd. | 25804 |
59 |
| Huawei Technologies Co., Ltd. | 118879 |
54 |
| Hyundai Motor Company | 23382 |
46 |
| Nippon Telegraph and Telephone Corporation | 16263 |
43 |
| Qualcomm Incorporated | 89294 |
40 |
| Google LLC | 43553 |
38 |
| Amazon Technologies, Inc. | 27555 |
36 |
| Avnera Corporation | 112 |
35 |
| Panasonic Automotive Systems Co., Ltd. | 2013 |
29 |
| Yamaha Corporation | 4069 |
26 |
| Other owners | 2094 |