- 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 11/20 - Reflecting arrangements
Patent holdings for IPC class G10K 11/20
Total number of patents in this class: 134
10-year publication summary
6
|
16
|
15
|
12
|
14
|
14
|
9
|
15
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Subsea Asset Location Technologies Limited | 11 |
10 |
Acoustic 3D Holdings Limited | 10 |
4 |
Salt Aviation Recovery Assistance Limited | 5 |
4 |
Koninklijke Philips N.V. | 22975 |
3 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
Areva NP | 228 |
3 |
Constellation Productions, Inc. | 15 |
3 |
Industrial Scientific Corporation | 86 |
3 |
Kabushiki Kaisha Toyota Chuo Kenkyusho | 587 |
3 |
University of Washington | 2157 |
3 |
GWF Messsysteme AG | 35 |
3 |
Bang & Olufsen A/S | 295 |
3 |
Toyota Motor Corporation | 28582 |
2 |
Yamaha Corporation | 4054 |
2 |
Aspect Imaging Ltd. | 141 |
2 |
Dalian University of Technology | 1387 |
2 |
Furuno Electric Co., Ltd. | 875 |
2 |
Jim Melhart Piano and Organ Company | 13 |
2 |
Nanjing University | 646 |
2 |
Nittobo Acoustic Engineering Co., Ltd. | 13 |
2 |
Other owners | 73 |