- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 27/22 - Means responsive to presence or absence of recorded information signals
Patent holdings for IPC class G11B 27/22
Total number of patents in this class: 55
10-year publication summary
|
13
|
13
|
10
|
7
|
4
|
0
|
4
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GoPro, Inc. | 2129 |
5 |
| Sony Corporation | 30111 |
4 |
| META Platforms, Inc. | 6887 |
4 |
| Adeia Media Holdings Inc. | 969 |
4 |
| Amazon Technologies, Inc. | 28193 |
3 |
| Motorola Solutions, Inc. | 4581 |
3 |
| International Business Machines Corporation | 62748 |
2 |
| Nokia Technologies Oy | 21475 |
2 |
| Xiaomi Inc. | 1746 |
2 |
| Hangzhou Hikvision Digital Technology Co., Ltd. | 1341 |
2 |
| Disney Enterprises, Inc. | 6192 |
1 |
| Apple Inc. | 59027 |
1 |
| Qualcomm Incorporated | 92859 |
1 |
| British Telecommunications Public Limited Company | 2604 |
1 |
| Canon Inc. | 44051 |
1 |
| Fujitsu Limited | 16854 |
1 |
| Dell Products L.P. | 17104 |
1 |
| HTC Corporation | 2425 |
1 |
| JVC Kenwood Corporation | 3137 |
1 |
| Baidu Online Network Technology (Beijing) Co., Ltd | 1600 |
1 |
| Other owners | 14 |