- 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: 1403
10-year publication summary
128
|
180
|
108
|
102
|
92
|
64
|
62
|
35
|
23
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sony Corporation | 32931 |
169 |
Seagate Technology LLC | 4228 |
145 |
Pioneer Corporation | 4843 |
93 |
Toshiba Corporation | 12017 |
85 |
International Business Machines Corporation | 60644 |
67 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
67 |
JPMorgan Chase Bank, National Association | 10964 |
57 |
Panasonic Corporation | 20786 |
56 |
Toshiba Electronic Devices & Storage Corporation | 1602 |
49 |
Samsung Electronics Co., Ltd. | 131630 |
44 |
Koninklijke Philips Electronics N.V. | 13133 |
34 |
Marvell Asia PTE, Ltd. | 6841 |
32 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
28 |
FUJIFILM Corporation | 27102 |
24 |
Panasonic Intellectual Property Corporation of America | 7230 |
24 |
Cavium International | 5549 |
24 |
Hitachi Consumer Electronics Co., Ltd. | 300 |
23 |
Sharp Kabushiki Kaisha | 18957 |
22 |
Avago Technologies International Sales Pte. Limited | 9260 |
21 |
LG Electronics Inc. | 69257 |
18 |
Other owners | 321 |