- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 17/22 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random-access magazine of disc records
Patent holdings for IPC class G11B 17/22
Total number of patents in this class: 195
10-year publication summary
|
25
|
23
|
22
|
15
|
9
|
6
|
10
|
4
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60336 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 30018 |
19 |
| NEC Platforms, Ltd. | 1147 |
10 |
| Panasonic Corporation | 20284 |
8 |
| Sony Corporation | 31486 |
7 |
| Fujitsu Limited | 18413 |
7 |
| IBM United Kingdom Limited | 4379 |
7 |
| Oracle International Corporation | 12628 |
6 |
| Seagate Technology LLC | 3979 |
6 |
| Quantum Corporation | 305 |
6 |
| NEC Embedded Products, Ltd. | 20 |
5 |
| Suzhou Netzon Information Storage Technology Co., Ltd | 7 |
5 |
| Oracle America, Inc. | 3384 |
3 |
| Dell Products L.P. | 13358 |
3 |
| CenturyLink Intellectual Property LLC | 1188 |
3 |
| Lite-On Electronics (Guangzhou) Limited | 364 |
3 |
| Lite-On Technology Corporation | 750 |
3 |
| NEC Personal Products, Ltd. | 18 |
3 |
| Sony Semiconductor Solutions Corporation | 9844 |
3 |
| Submer Technologies, S.L. | 46 |
3 |
| Other owners | 46 |