- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/41 - Cleaning of heads
Patent holdings for IPC class G11B 5/41
Total number of patents in this class: 66
10-year publication summary
|
7
|
6
|
6
|
7
|
3
|
5
|
7
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 3979 |
11 |
| FUJIFILM Corporation | 28873 |
9 |
| International Business Machines Corporation | 60336 |
7 |
| NEC Platforms, Ltd. | 1147 |
7 |
| Kicteam, Inc. | 72 |
5 |
| Sony Group Corporation | 12887 |
4 |
| Quantum Corporation | 305 |
3 |
| Wells Fargo Bank, National Association | 3634 |
3 |
| Oracle International Corporation | 12628 |
2 |
| Dell Products L.P. | 13358 |
2 |
| NHK Spring Co., Ltd. | 1779 |
2 |
| Toshiba Corporation | 12104 |
1 |
| Koninklijke Philips Electronics N.V. | 10656 |
1 |
| Huawei Technologies Co., Ltd. | 107770 |
1 |
| Western Digital Technologies, Inc. | 1670 |
1 |
| JPMorgan Chase Bank, National Association | 8445 |
1 |
| Endless Analog, Inc. | 1 |
1 |
| Nihon Micro Coating Co., Ltd. | 20 |
1 |
| Tandberg Data Corp. | 11 |
1 |
| Toshiba Electronic Devices & Storage Corporation | 1822 |
1 |
| Other owners | 2 |