- 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: 210
10-year publication summary
|
23
|
25
|
23
|
22
|
15
|
9
|
6
|
10
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60644 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
20 |
| NEC Platforms, Ltd. | 1106 |
11 |
| Sony Corporation | 32931 |
9 |
| Panasonic Corporation | 20786 |
8 |
| Fujitsu Limited | 19265 |
7 |
| IBM United Kingdom Limited | 4467 |
7 |
| Quantum Corporation | 332 |
7 |
| Oracle International Corporation | 12313 |
6 |
| Seagate Technology LLC | 4228 |
6 |
| NEC Embedded Products, Ltd. | 20 |
5 |
| Suzhou Netzon Information Storage Technology Co., Ltd | 7 |
5 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
4 |
| Oracle America, Inc. | 3928 |
3 |
| Dell Products L.P. | 11144 |
3 |
| CenturyLink Intellectual Property LLC | 1130 |
3 |
| Lite-On Electronics (Guangzhou) Limited | 372 |
3 |
| Lite-On Technology Corporation | 720 |
3 |
| NEC Personal Products, Ltd. | 20 |
3 |
| Sony Semiconductor Solutions Corporation | 8770 |
3 |
| Other owners | 53 |