- 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: 872
10-year publication summary
|
91
|
98
|
90
|
63
|
47
|
46
|
46
|
26
|
46
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 8656 |
161 |
| Seagate Technology LLC | 3994 |
115 |
| Toshiba Corporation | 12693 |
61 |
| Toshiba Electronic Devices & Storage Corporation | 2271 |
43 |
| International Business Machines Corporation | 62182 |
35 |
| Dell Products L.P. | 16262 |
26 |
| Western Digital Technologies, Inc. | 1801 |
19 |
| Amazon Technologies, Inc. | 27683 |
16 |
| Donaldson Company, Inc. | 1588 |
16 |
| JPMorgan Chase Bank, N.A., AS The Agent | 2698 |
16 |
| Samsung Electronics Co., Ltd. | 153573 |
13 |
| Nidec Corporation | 2764 |
13 |
| Panasonic Corporation | 19680 |
11 |
| Hitachi, Ltd. | 15881 |
9 |
| Sanmina Corporation | 188 |
8 |
| Sony Interactive Entertainment Inc. | 6227 |
8 |
| FUJIFILM Corporation | 30210 |
7 |
| EMC IP Holding Company LLC | 10710 |
7 |
| NHK Spring Co., Ltd. | 1935 |
7 |
| Quanta Computer Inc. | 1413 |
7 |
| Other owners | 274 |