- 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 9/20 - Sounding members
Patent holdings for IPC class G10K 9/20
Total number of patents in this class: 34
10-year publication summary
|
2
|
5
|
2
|
3
|
2
|
1
|
1
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44291 |
5 |
| DeftIO LLC | 6 |
4 |
| Hyundai Motor Company | 24898 |
2 |
| Google LLC | 44743 |
2 |
| Honda Motor Co., Ltd. | 26212 |
1 |
| Sumitomo Electric Industries, Ltd. | 16345 |
1 |
| Denso Corporation | 25717 |
1 |
| Kia Motors Corporation | 7715 |
1 |
| Mazda Motor Corporation | 3309 |
1 |
| Continental Engineering Services GmbH | 42 |
1 |
| Dyaco International Inc. | 91 |
1 |
| Gill Instruments Limited | 5 |
1 |
| Goto Denshi Co., Ltd. | 10 |
1 |
| Gulfstream Aerospace Corporation | 681 |
1 |
| J & K Car Electronics Corporation | 2 |
1 |
| Mallory Sonalert Products, Inc. | 16 |
1 |
| META System S.p.A. | 80 |
1 |
| Montres Breguet S.A. | 362 |
1 |
| Security Equipment Corporation | 68 |
1 |
| UTC Fire & Security Corporation | 91 |
1 |
| Other owners | 5 |