- 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: 119
10-year publication summary
|
6
|
7
|
5
|
8
|
5
|
7
|
0
|
5
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2695 |
15 |
| JPMorgan Chase Bank, National Association | 8604 |
12 |
| Panasonic Corporation | 19985 |
7 |
| Sony Interactive Entertainment Inc. | 6002 |
7 |
| Pioneer Corporation | 4188 |
6 |
| LG Innotek Co., Ltd. | 7881 |
5 |
| Lite-On Technology Corporation | 803 |
5 |
| International Business Machines Corporation | 61694 |
4 |
| Seagate Technology LLC | 3972 |
4 |
| JVC Kenwood Corporation | 3055 |
3 |
| Minebea Mitsumi Inc. | 1790 |
3 |
| Sony Corporation | 30829 |
2 |
| Toshiba Corporation | 12521 |
2 |
| GM Global Technology Operations LLC | 15310 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
2 |
| Hoya Corporation | 2762 |
2 |
| Intri-plex Technologies, Inc. | 35 |
2 |
| Minebea Motor Manufacturing Corporation | 10 |
2 |
| Toshiba Electronic Devices & Storage Corporation | 2084 |
2 |
| Sony Computer Entertainment Inc. | 918 |
1 |
| Other owners | 31 |