- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/40 - Protective measures on heads, e.g. against excessive temperature
Patent holdings for IPC class G11B 5/40
Total number of patents in this class: 228
10-year publication summary
|
41
|
35
|
28
|
31
|
8
|
15
|
9
|
10
|
8
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3972 |
73 |
| JPMorgan Chase Bank, National Association | 8601 |
49 |
| International Business Machines Corporation | 61651 |
39 |
| TDK Corporation | 6879 |
7 |
| Headway Technologies, Inc. | 694 |
7 |
| Toshiba Corporation | 12523 |
6 |
| Oracle International Corporation | 13073 |
6 |
| Toshiba Electronic Devices & Storage Corporation | 2083 |
5 |
| SAE Magnetics (H.K.) Ltd. | 328 |
4 |
| Western Digital Technologies, Inc. | 1762 |
4 |
| Kyndryl, Inc. | 3218 |
4 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2619 |
3 |
| Alter Domus (US) LLC, AS Agent for The Secured Parties | 206 |
3 |
| ChannelScience, LLC | 8 |
2 |
| Qualcomm Incorporated | 86992 |
1 |
| Mitsubishi Electric Corporation | 46757 |
1 |
| Dell Products L.P. | 15186 |
1 |
| IBM United Kingdom Limited | 4254 |
1 |
| Magnecomp Corporation | 203 |
1 |
| MidCap Financial Trust | 120 |
1 |
| Other owners | 10 |