- 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: 107
10-year publication summary
|
2
|
4
|
14
|
9
|
18
|
20
|
17
|
7
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30277 |
41 |
| International Business Machines Corporation | 62251 |
25 |
| Sony Corporation | 30388 |
10 |
| Hewlett Packard Enterprise Development LP | 10897 |
7 |
| Sony Group Corporation | 15204 |
6 |
| JPMorgan Chase Bank, National Association | 8660 |
5 |
| Markem-Imaje Industries Limited | 7 |
2 |
| Zipher Limited | 12 |
2 |
| Western Digital Technologies, Inc. | 1804 |
1 |
| IBM United Kingdom Limited | 4103 |
1 |
| Markem-Imaje Limited | 5 |
1 |
| MidCap Financial Trust | 115 |
1 |
| NEC Platforms, Ltd. | 1066 |
1 |
| Toyobo Co., Ltd. | 2520 |
1 |
| IBM (China) Investment Co Ltd | 2062 |
1 |
| IBM Deutschland GmbH | 861 |
1 |
| Cloud Byte LLC. | 188 |
1 |
| Other owners | 0 |