- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 5/00 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patent holdings for IPC class G11B 5/00
Total number of patents in this class: 1563
10-year publication summary
|
213
|
170
|
169
|
154
|
139
|
136
|
124
|
95
|
65
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seagate Technology LLC | 4228 |
618 |
| JPMorgan Chase Bank, National Association | 10964 |
326 |
| Toshiba Corporation | 12017 |
113 |
| Headway Technologies, Inc. | 715 |
88 |
| Toshiba Electronic Devices & Storage Corporation | 1602 |
58 |
| SAE Magnetics (H.K.) Ltd. | 355 |
43 |
| TDK Corporation | 6306 |
33 |
| Avago Technologies International Sales Pte. Limited | 9260 |
25 |
| Resonac Corporation | 2233 |
22 |
| International Business Machines Corporation | 60644 |
18 |
| Western Digital Technologies, Inc. | 1043 |
16 |
| FUJIFILM Corporation | 27102 |
14 |
| Marvell Asia PTE, Ltd. | 6841 |
11 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Hitachi, Ltd. | 16452 |
6 |
| Rohm Co., Ltd. | 5843 |
6 |
| Magnecomp Corporation | 197 |
6 |
| Fujitsu Limited | 19265 |
5 |
| Agency for Science, Technology and Research | 3512 |
5 |
| Micron Technology, Inc. | 24960 |
4 |
| Other owners | 139 |