- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 15/32 - Driving record carriers by members acting directly or indirectly thereon through the reels or cores on to which the record carrier is wound
Patent holdings for IPC class G11B 15/32
Total number of patents in this class: 59
10-year publication summary
|
2
|
3
|
5
|
2
|
13
|
4
|
6
|
5
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 62805 |
15 |
| JPMorgan Chase Bank, National Association | 8978 |
15 |
| FUJIFILM Corporation | 30689 |
10 |
| Oracle International Corporation | 13683 |
5 |
| Huawei Technologies Co., Ltd. | 124837 |
2 |
| Markem-Imaje Industries Limited | 8 |
2 |
| Sony Group Corporation | 15978 |
2 |
| Glaxo Group Limited | 4347 |
1 |
| Fuji Corporation | 3696 |
1 |
| IBM United Kingdom Limited | 4048 |
1 |
| Quantum Corporation | 94 |
1 |
| Videojet Technologies Inc. | 362 |
1 |
| IBM (China) Investment Co Ltd | 2062 |
1 |
| Panasonic Shikoku Electronics Co. Ltd. | 1 |
1 |
| Lenovo Global Technologies Switzerland International GmbH | 1461 |
1 |
| Other owners | 0 |