- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 21/24 - Head support adjustments
Patent holdings for IPC class G11B 21/24
Total number of patents in this class: 50
10-year publication summary
|
1
|
0
|
0
|
0
|
0
|
4
|
2
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hutchinson Technology Incorporated | 310 |
9 |
| Magnecomp Corporation | 204 |
9 |
| JPMorgan Chase Bank, National Association | 8604 |
8 |
| NHK Spring Co., Ltd. | 1911 |
8 |
| Seagate Technology LLC | 3972 |
5 |
| TDK Corporation | 6877 |
2 |
| Suncall Corporation | 190 |
2 |
| Headway Technologies, Inc. | 693 |
1 |
| SAE Magnetics (H.K.) Ltd. | 328 |
1 |
| STMicroelectronics S.r.l. | 3601 |
1 |
| Western Digital Technologies, Inc. | 1765 |
1 |
| Hewlett Packard Enterprise Development LP | 10773 |
1 |
| Marposs, S.p.A. | 144 |
1 |
| Alter Domus (US) LLC, AS Agent for The Secured Parties | 206 |
1 |
| Other owners | 0 |