- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 15/43 - Control or regulation of mechanical tension of record carrier, e.g. tape tension
Patent holdings for IPC class G11B 15/43
Total number of patents in this class: 103
10-year publication summary
|
4
|
6
|
2
|
4
|
14
|
9
|
18
|
19
|
17
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
36 |
| International Business Machines Corporation | 60644 |
26 |
| Sony Corporation | 32931 |
10 |
| Hewlett Packard Enterprise Development LP | 10702 |
7 |
| Sony Group Corporation | 10730 |
6 |
| JPMorgan Chase Bank, National Association | 10964 |
5 |
| Markem-Imaje Industries Limited | 7 |
2 |
| Zipher Limited | 14 |
2 |
| Western Digital Technologies, Inc. | 1043 |
1 |
| IBM United Kingdom Limited | 4467 |
1 |
| Markem-Imaje Limited | 5 |
1 |
| MidCap Financial Trust | 147 |
1 |
| NEC Platforms, Ltd. | 1106 |
1 |
| Toyobo Co., Ltd. | 2286 |
1 |
| IBM (China) Investment Co Ltd | 2025 |
1 |
| IBM Deutschland GmbH | 670 |
1 |
| IP Wave Pte Ltd. | 191 |
1 |
| Other owners | 0 |