- 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: 129
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 | 2608 |
16 |
| JPMorgan Chase Bank, National Association | 8445 |
12 |
| Panasonic Corporation | 20284 |
7 |
| Pioneer Corporation | 4592 |
7 |
| Sony Interactive Entertainment Inc. | 5602 |
7 |
| LG Innotek Co., Ltd. | 7301 |
5 |
| Lite-On Technology Corporation | 750 |
5 |
| International Business Machines Corporation | 60336 |
4 |
| Seagate Technology LLC | 3979 |
4 |
| Koninklijke Philips Electronics N.V. | 10656 |
3 |
| JVC Kenwood Corporation | 2928 |
3 |
| Minebea Mitsumi Inc. | 1643 |
3 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 550 |
3 |
| Sony Corporation | 31486 |
2 |
| Toshiba Corporation | 12104 |
2 |
| GM Global Technology Operations LLC | 14392 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 30018 |
2 |
| Hoya Corporation | 2742 |
2 |
| Intri-plex Technologies, Inc. | 38 |
2 |
| Minebea Motor Manufacturing Corporation | 17 |
2 |
| Other owners | 36 |