- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 20/00 - Signal processing not specific to the method of recording or reproducingCircuits therefor
Patent holdings for IPC class G11B 20/00
Total number of patents in this class: 746
10-year publication summary
|
71
|
69
|
63
|
58
|
34
|
33
|
29
|
23
|
12
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 62279 |
27 |
| Sony Corporation | 30368 |
23 |
| Samsung Electronics Co., Ltd. | 154406 |
22 |
| Google LLC | 43952 |
21 |
| Panasonic Corporation | 19530 |
16 |
| Koninklijke Philips Electronics N.V. | 7936 |
13 |
| Microsoft Technology Licensing, LLC | 54243 |
13 |
| Intel Corporation | 46700 |
12 |
| Thomson Licensing | 3270 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 33634 |
11 |
| Seagate Technology LLC | 3979 |
10 |
| The Nielsen Company (US), LLC | 2668 |
10 |
| Disney Enterprises, Inc. | 6249 |
9 |
| Panasonic Intellectual Property Corporation of America | 7090 |
9 |
| Nokia Technologies Oy | 20497 |
9 |
| ALC Holdings, Inc. | 10 |
9 |
| Netflix, Inc. | 1278 |
9 |
| Lognovations Holdings, LLC | 43 |
9 |
| Amazon Technologies, Inc. | 27758 |
8 |
| Apple Inc. | 58181 |
7 |
| Other owners | 488 |