- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 27/36 - Monitoring, i.e. supervising the progress of recording or reproducing
Patent holdings for IPC class G11B 27/36
Total number of patents in this class: 796
10-year publication summary
|
79
|
44
|
43
|
56
|
22
|
35
|
34
|
33
|
24
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3964 |
95 |
| JPMorgan Chase Bank, National Association | 8975 |
94 |
| Toshiba Corporation | 12660 |
65 |
| Avago Technologies International Sales Pte. Limited | 8534 |
52 |
| International Business Machines Corporation | 62769 |
41 |
| Toshiba Electronic Devices & Storage Corporation | 2383 |
33 |
| Marvell Asia PTE, Ltd. | 6253 |
23 |
| Cavium International | 4568 |
20 |
| Oracle International Corporation | 13665 |
13 |
| Microsoft Technology Licensing, LLC | 54554 |
11 |
| Apple Inc. | 59177 |
10 |
| Canon Inc. | 44222 |
9 |
| FUJIFILM Corporation | 30653 |
8 |
| Hewlett Packard Enterprise Development LP | 11529 |
8 |
| Matroid, Inc | 32 |
8 |
| Sony Corporation | 30080 |
7 |
| The Nielsen Company (US), LLC | 2707 |
7 |
| SAE Magnetics (H.K.) Ltd. | 311 |
6 |
| Marvell International Ltd. | 1049 |
6 |
| Booktrack Holdings Limited | 17 |
6 |
| Other owners | 274 |