- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 20/12 - Formatting, e.g. arrangement of data block or words on the record carriers
Patent holdings for IPC class G11B 20/12
Total number of patents in this class: 1150
10-year publication summary
|
174
|
108
|
101
|
92
|
64
|
62
|
35
|
28
|
18
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30891 |
132 |
| Seagate Technology LLC | 3970 |
109 |
| Toshiba Corporation | 12516 |
94 |
| International Business Machines Corporation | 61621 |
63 |
| Toshiba Electronic Devices & Storage Corporation | 2073 |
58 |
| JPMorgan Chase Bank, National Association | 8593 |
56 |
| Avago Technologies International Sales Pte. Limited | 8679 |
56 |
| Panasonic Corporation | 20012 |
54 |
| Pioneer Corporation | 4227 |
38 |
| Samsung Electronics Co., Ltd. | 148173 |
32 |
| Marvell Asia PTE, Ltd. | 6439 |
32 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
28 |
| FUJIFILM Corporation | 29714 |
25 |
| Panasonic Intellectual Property Corporation of America | 6879 |
24 |
| Hitachi Consumer Electronics Co., Ltd. | 283 |
23 |
| Cavium International | 4948 |
23 |
| Sharp Kabushiki Kaisha | 18679 |
19 |
| Marvell International Ltd. | 1163 |
12 |
| Koninklijke Philips Electronics N.V. | 9112 |
11 |
| LG Electronics Inc. | 73763 |
10 |
| Other owners | 251 |