- 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: 3553
10-year publication summary
|
202
|
251
|
298
|
340
|
373
|
343
|
358
|
390
|
297
|
303
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bose Corporation | 3024 |
318 |
| Cirrus Logic, Inc. | 1795 |
155 |
| Shenzhen Shokz Co., Ltd. | 1164 |
96 |
| Sony Corporation | 30805 |
87 |
| Apple Inc. | 56211 |
84 |
| Harman Becker Automotive Systems GmbH | 660 |
80 |
| Harman International Industries, Incorporated | 2701 |
76 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
68 |
| Samsung Electronics Co., Ltd. | 148924 |
65 |
| Sony Group Corporation | 14504 |
65 |
| Honda Motor Co., Ltd. | 25778 |
58 |
| Huawei Technologies Co., Ltd. | 115556 |
54 |
| Hyundai Motor Company | 22753 |
46 |
| Nippon Telegraph and Telephone Corporation | 16318 |
43 |
| Qualcomm Incorporated | 87475 |
39 |
| Google LLC | 43044 |
39 |
| Avnera Corporation | 114 |
35 |
| Amazon Technologies, Inc. | 27203 |
34 |
| Panasonic Automotive Systems Co., Ltd. | 1986 |
28 |
| Yamaha Corporation | 4061 |
26 |
| Other owners | 2057 |