- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 27/30 - IndexingAddressingTiming or synchronisingMeasuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
Patent holdings for IPC class G11B 27/30
Total number of patents in this class: 567
10-year publication summary
|
85
|
69
|
66
|
49
|
33
|
27
|
23
|
15
|
14
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 43500 |
39 |
| GoPro, Inc. | 2066 |
35 |
| Sony Corporation | 30568 |
27 |
| Amazon Technologies, Inc. | 27542 |
16 |
| Yieldbot Inc. | 67 |
16 |
| Apple Inc. | 57314 |
10 |
| Canon Inc. | 41835 |
10 |
| Thomson Licensing | 3333 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
10 |
| Maxell, Ltd. | 2911 |
10 |
| Samsung Electronics Co., Ltd. | 152016 |
9 |
| Qualcomm Incorporated | 89126 |
8 |
| International Business Machines Corporation | 62002 |
8 |
| CrowdStrike, Inc. | 527 |
8 |
| DivX, LLC | 299 |
7 |
| Netflix, Inc. | 1216 |
7 |
| Adeia Media Holdings LLC | 614 |
7 |
| Intel Corporation | 46594 |
6 |
| Panasonic Intellectual Property Corporation of America | 7034 |
6 |
| Maxell Holdings, Ltd. | 1269 |
6 |
| Other owners | 312 |