- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 15/44 - Speed-changing arrangementsReversing arrangementsDrive-transfer means therefor
Patent holdings for IPC class G11B 15/44
Total number of patents in this class: 14
10-year publication summary
|
1
|
0
|
2
|
1
|
0
|
1
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61621 |
6 |
| Oracle America, Inc. | 2975 |
2 |
| JPMorgan Chase Bank, National Association | 8593 |
2 |
| NEC Platforms, Ltd. | 1140 |
2 |
| Fujitsu Limited | 17689 |
1 |
| Hewlett Packard Enterprise Development LP | 10755 |
1 |
| Other owners | 0 |