- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 17/028 - Positioning or locking of single discs of discs rotating during transducing operation
Patent holdings for IPC class G11B 17/028
Total number of patents in this class: 112
10-year publication summary
|
7
|
5
|
8
|
5
|
7
|
0
|
5
|
6
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2818 |
15 |
| JPMorgan Chase Bank, National Association | 8978 |
12 |
| Sony Interactive Entertainment Inc. | 6507 |
8 |
| Panasonic Corporation | 18716 |
7 |
| International Business Machines Corporation | 62805 |
4 |
| Seagate Technology LLC | 3967 |
4 |
| Lite-On Technology Corporation | 904 |
4 |
| LG Innotek Co., Ltd. | 8566 |
3 |
| Pioneer Corporation | 3760 |
3 |
| JVC Kenwood Corporation | 3145 |
3 |
| Minebea Mitsumi Inc. | 1983 |
3 |
| Sony Corporation | 30052 |
2 |
| Toshiba Corporation | 12726 |
2 |
| GM Global Technology Operations LLC | 16232 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
2 |
| Hoya Corporation | 2688 |
2 |
| Intri-plex Technologies, Inc. | 28 |
2 |
| Minebea Motor Manufacturing Corporation | 8 |
2 |
| Toshiba Electronic Devices & Storage Corporation | 2432 |
2 |
| Sony Computer Entertainment Inc. | 778 |
1 |
| Other owners | 29 |