- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 33/14 - Reducing influence of physical parameters, e.g. temperature change, moisture, dust
Patent holdings for IPC class G11B 33/14
Total number of patents in this class: 843
10-year publication summary
|
79
|
93
|
98
|
90
|
63
|
47
|
48
|
46
|
26
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 8568 |
164 |
| Seagate Technology LLC | 3969 |
108 |
| Toshiba Corporation | 12350 |
52 |
| International Business Machines Corporation | 61287 |
34 |
| Toshiba Electronic Devices & Storage Corporation | 1976 |
34 |
| Dell Products L.P. | 14538 |
26 |
| Western Digital Technologies, Inc. | 1737 |
19 |
| Amazon Technologies, Inc. | 26741 |
17 |
| Donaldson Company, Inc. | 1599 |
16 |
| Nidec Corporation | 2665 |
12 |
| Samsung Electronics Co., Ltd. | 146534 |
11 |
| Panasonic Corporation | 20093 |
11 |
| Hitachi, Ltd. | 15499 |
9 |
| Sony Interactive Entertainment Inc. | 5883 |
8 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2556 |
8 |
| EMC IP Holding Company LLC | 10811 |
7 |
| NHK Spring Co., Ltd. | 1864 |
7 |
| Quanta Computer Inc. | 1357 |
7 |
| Hitachi Vantara, Ltd. | 1476 |
7 |
| Sony Corporation | 31028 |
6 |
| Other owners | 280 |