- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 21/16 - Supporting the headsSupporting the sockets for plug-in heads
Patent holdings for IPC class G11B 21/16
Total number of patents in this class: 114
10-year publication summary
|
6
|
3
|
2
|
1
|
0
|
2
|
0
|
5
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NHK Spring Co., Ltd. | 1907 |
21 |
| JPMorgan Chase Bank, National Association | 8755 |
17 |
| Hutchinson Technology Incorporated | 311 |
17 |
| Magnecomp Corporation | 202 |
13 |
| Suncall Corporation | 192 |
7 |
| Seagate Technology LLC | 3977 |
6 |
| Nitto Denko Corporation | 8358 |
6 |
| SAE Magnetics (H.K.) Ltd. | 327 |
5 |
| TDK Corporation | 6745 |
4 |
| Intri-plex Technologies, Inc. | 35 |
3 |
| Fujitsu Limited | 17660 |
2 |
| Ogaki Seiko Co., Ltd. | 4 |
2 |
| Toshiba Storage Device Corporation | 55 |
2 |
| Toshiba Corporation | 12547 |
1 |
| Panasonic Corporation | 19952 |
1 |
| LSI Corporation | 156 |
1 |
| Headway Technologies, Inc. | 693 |
1 |
| Western Digital Technologies, Inc. | 1772 |
1 |
| Inmusic Brands, Inc. | 224 |
1 |
| Marposs, S.p.A. | 144 |
1 |
| Other owners | 2 |